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  • Atari 8-Bit Computers: Vendors and Developers

    From Michael Current@michael@mcurrent.name to comp.sys.atari.8bit,comp.answers,news.answers on Sun Feb 1 20:44:12 2026
    From Newsgroup: news.answers

    Archive-name: atari-8-bit/vendev
    Last-modified: January 14, 2026

    Welcome to the comp.sys.atari.8bit newsgroup!

    Atari 8-Bit Computers

    Vendors and Developers List

    "A comprehensive list of vendors, developers, publishers,
    and repair shops for Atari 8-bit computers and their users"

    Additions/suggestions/comments/corrections are needed! Please send to:

    Michael Current, michael@mcurrent.name

    This document is in a constant state of development and comes with no guarantees. If you see any problems, I need to hear from you!

    The latest version of this document is irregularly posted to these Usenet newsgroups: comp.sys.atari.8bit, comp.answers, news.answers

    It is also kept at: https://mcurrent.name/atari-8-bit/vendev.txt

    You may also request my latest working version at: michael@mcurrent.name

    UPDATES SINCE PREVIOUS POSTING:
    2026.01.31 added: Galtron
    2026.01.14 updated: AtariAge Store
    2025.10.30 Mark Grebe: Atari800MacX 6.1.0; Sio2OSX 2.1.2
    2025.09.06 MadTeam: Mad Pascal 1.7.4
    2025.09.06 added: Tomasz Pecko (Pecusx)
    2025.09.06 Paulo Garcia: Fujisan
    2025.08.01 added: Barts Elektronica
    2025.08.01 added: cepetr (sio2flip and sio2flip bootloader)

    ------------------------------

    Subject: Introduction

    Conventions
    -----------
    All commercial vendors, developers, publishers, and repair shops should be listed here. "Active" PD/freeware/shareware developers should also be listed. Persons or entities holding rights to products, but not selling or supporting them in any way, should NOT be listed here.

    "Vendor" = Reseller of products produced by others. Types of products
    sold are given in categories: new hardware, used hardware, PD/freeware/ shareware, (new) commercial software, used (commercial) software.

    "Developer" = Producer of products. Titles of products produced by the developer are listed. No prices are given.

    "Publisher" = Publishes a print or disk magazine, or a book. Complete subscription or ordering information should be given, including prices. Authorized online publishers of originally print or disk magazines are also listed. Online books are not listed.

    "Repair Shop" = Can repair 8-bit Atari or related hardware devices. Be
    sure to make advance contact before sending anything to work on!

    Entries are presented alphabetically by company name, or publication
    title. If no company name exists, a personal name is used. "See"
    references indicate complete information may be found under the given
    heading. "See also" references indicate closely-related information may
    be found under the given heading.

    The month/year that vendor information was most recently fully verified is given at the "upper-right" of each entry.

    Every entry should contain a valid postal address or web page address.

    Entries do not include an email address due to the overwhelming amount of
    spam that would result.

    DISCLAIMER
    ----------
    Appearance in this list does not constitute a recommendation or endorsement of the business, individual, product, or service listed.

    Verfications -> YOU!
    --------------------
    This list is in a constant state of development, and comes with no
    guarantees. Information of this nature constantly ages; therefore, the information contained in this list is constantly updated. Please use the latest release of this list whenever possible!

    Remember, the success of this list is dependent on YOU, the reader, to
    send me updates that correct errors that you find. If you use this
    list, please do your part in keeping it useful for everyone!

    ------------------------------

    Subject: A

    5cfab (Brian Reifsnyder) 1/25
    204 Notch Rd
    Duncannon PA 17020-7017
    USA
    https://www.tindie.com/stores/5cfab/
    Developer: 48k Memory Upgrade Board for the Atari 400, 320k Memory Upgrade For the Atari XL Computers, Atari 1090XL Modernized Reproduction + Cards,
    Z-80 CP/M Card For the Atari 1090XL, 64k Memory Upgrade For the Atari 600XL, 1056k Memory Upgrade Board for the Atari 800, 1056k Memory Upgrade Board for the Atari 400, Cartridge extender card for the Atari 1200XL, 2024 Advanced
    PCB Remake of Atari 800XL System Board, Parallel Port Adapter - Atari 130XE
    ECI to XL PBI, 80 Column RPP Board For the Atari 1090XL, Atari 800 48k RAM
    Card with Jumper Board, Atari 800 RAMROM 2024 Personality Card, 320k Memory Upgrade For the Atari 1090XL, CX-85 Interface Card for the Atari 1090XL, OS Extension Card For The Atari 1090XL, Reproduction Atari 1200XL MMU (CO60609), Reproduction Happy Enhancement For Atari 1050, 2024 800XL Advanced PCB Programmed Chips, Prototyping Board for the Atari 1090XL, 320k Memory Upgrade Case

    8-Bit Classics (Corey Koltz) 2/21 Wautoma WI
    USA
    https://www.8bitclassics.com/
    Vendor: new hardware (including AtariMax product line, Armor3 Composite AV to HDMI Converter Box, Trooper Premium Controller for 2600/ RetroN 77, Retronics Atari 130XE/65XE Mitsumi Keyboard Mylar Replacement, Ranger Premium Wired Gamepad for Atari 2600/ RetroN 77, Retronics Atari 600XL/800XL Keyboard Mylar Replacement)
    Developer: 5-Pin DIN Composite AV Cable, Atari XL/XE 5-Pin DIN S-Video & Composite AV Cable, Atari XL/XE 5-Pin DIN to Commodore Chroma / Luma AV Cable (1701, 1702, 1802), 5-Pin DIN Composite AV Adapter, RCA Composite Audio Video Cable, Atari XF551 Disk Drive ROM Upgrade, Atari XL/XE 5-Pin DIN to Commodore 1902A AV Cable, Atari XL/XE USB Power Cable, Atari XL/XE Power Supply /AC Adapter, Advanced Atari XL/XE Power Supply / AC Adapter, Atari 850 to Modem Cable - CX-87 Compatible, Atari 850 To Terminal /Null Modem Cable - CX-88 Compatible, 5-Pin DIN MIDI Cable, Atari 400 / 800 / 1200XL / 1050 AC Adapter, S-Video to Chroma / Luma RCA Cable, S-Video to Chroma / Luma RCA Adapter,
    Atari XL/XE Universal Power Supply / AC Adapter, Axlon Compatible Atari 800 512K RAM Board

    8Bit-Tronics (Simon Gould) 7/24
    112 The Street
    King's Lynn, Sporle
    Norfolk
    PE32 2DR
    United Kingdom
    https://www.8bit-tronics.com/
    Vendor: UnoCart A8, Sdrive-Max, Ultimate Cart, FujiNet, A8PicoCart

    Adam Is Me developers 8/21 Jakub 'Ilmenit' Debski, Michal 'stRing' Radecki-Mikulicz,
    Adam 'Ooz' Powroznik, Marek 'Xeen' Cora, Marek 'Koal' Oglodek,
    Jakub 'Jakub Husak' Husak, Rafal 'Raphis' Szczytko,
    Dominik 'VIP' Radecki-Mikulicz
    See also: Jakub Husak
    Poland
    http://aim.atariscene.pl/
    Developer: Adam Is Me

    Ambery 1/18 12335 Denholm Dr Ste A
    El Monte CA 91732-3654
    USA
    tel: 626-698-6739 Mon ~ Fri (10:00AM to 4:00PM PST)
    FAX: 626-771-0060
    https://www.ambery.com/
    Developer: various video converters/scalers (connect an Atari computer
    to a modern TV or computer monitor)

    ArSoft (Arkadiusz Lubaszka) 2/22 Poland
    https://www.arsoft.netstrefa.pl/
    Developer: Pajaki, Przekladanka, Arkadia, Life, ArLogo, Pojedynek, Inwazja, Wojenne ABC, Zycie Maklera, Poszukiwacze, Smok, BASIC Editor +3M,
    Bitwa Morska, RAMbo+, Super Biorytmy, Auto-'B'-Test, Pole Minowe II, Gielda, ARK Operating System, Supgen, Koala-FWA Konwerter, Kolo Fortuny, CMC Player, Pajaki II, The Multi-Lotek Maker, Hard Copy Text, SupGen 2000 1.00,
    Odwracanka, Boot Config XF551, BCXF551.COM, Super Multi Filecopy, Hektor, LineKiler, FontSelector, Atari Reader, SupGen 2000 2.00, EAN, Pingwinek, Pingwinek Idzie Do Szkoly, Klony, Parachute, Parachute Deja vu, LarkaNoid, ATASCII Squad, Integrator 2.1, Integrator 3.01, PAC-TXT, Kolony 2106,
    Klony 2010, Mission: ArSoft, Octopus, Bolek and Lolek and ..., Mole and ..., Enchanted pencil i. ., Parachute 2011, Integrator 3.10, RC GUI, LEO$4+,
    The Great Return of the Penguins, C.G.S. X-mas Card, Tryby 3D, Laura,
    JoyTest II, In nihilum reverteris, JoyTest Plus, JoyTest3

    Art Transfair Berlin (Andre Motzkus) 5/16 Brunsbuetteler Damm 223d
    13581 Berlin
    Germany
    http://www.art-transfair.de/
    Developer: J.t.t.s.o.t.U., Amiga 500 Demo, You've got the Power,
    Megaforce (I). Co-production: World of Wonders

    ASAP - Another Slight Atari Player developers 3/24 Piotr Fusik (Creator and lead developer), Atari800 Emulator Developers (6502 and POKEY emulation used in 0.x.y versions of ASAP), Rod Castler (Android background photo), Zdenek Eisenhammer (Testing), Maciej Grzybek (Fixed an overflow in the Silverlight port), Jakub Husak (SAP fingerprint calculation. asapscan fixes), Henryk Karpowicz (CMC routine modified for the CM3 format), Maciek Konecki (Porting to C#), Marek Konopka (6502 routine for playing DLT), Daniel Kozminski (Ideas), Jerzy Kut (FC format), Marcin Lewandowski (6502 routines for playing CMC, MPT, TMC and TM2), Ian Luck (Guided development of XMPlay and BASS plugins), MarOk (CMS routine fix), Adrian Matoga (COVOX information and test files. Testing. Porting to D.), Perry McFarlane (POKEY reverse-engineering), Kostas Nakos (Windows CE testing), Petri Pyy (macOS releases), Mariusz Rozwadowski (Suggested CMS, CM3, DLT and STIL format support), Slawomir Sledz (Windows Mobile setup. Thorough testing), David
    Spilka (6502 routine for playing CMS), Radek Sterba (6502 routine for playing RMT. Testing), Lukasz Sychowicz (Windows icons. Testing.), Pawel Szewczyk (Windows setup graphics), Michal Szpilowski (Testing), takron27 (Android beta- testing), Piotr Wiszowaty (VLC 3 compatibility), Grzegorz Zyla (XBMC plugin testing)
    See also: Piotr Fusik
    See also: Jakub Husak
    See also: Jerzy Kut
    See also: Adrian Matoga
    See also: Kostas Nakos
    https://asap.sourceforge.net/
    Developer: ASAP 6.0.3 (2024-03-09)

    ASMA - Atari SAP Music Archive developers 3/24
    0xF (pfusik, technical expert), Husak (technical expert), JAC! (SAP
    consultant, ASMA site admin), Marok (ripper), Miker (archive editor), MS (archive editor), PG (lead archive editor, ASMA founder), Ramos (archive editor, consultant), Slaves (archive editor, technical support), Voy
    (ripper), Willy (hosting, admin), XLent
    See also: Piotr Fusik
    See also: Jakub Husak
    https://asma.atari.org/
    http://asma.scene.pl/
    https://github.com/asma-atari-org
    Developer: Atari SAP Music Archive - contains over 6000 songs (2023-03-12)

    Ray Ataergin (Atari8Warez) 10/23 Canada
    https://sourceforge.net/u/atari8warez/profile/
    https://github.com/atari8warez
    https://www.facebook.com/ALibPc.Atari/
    https://www.facebook.com/AspeQt.Atari/
    Developer: ALibPc (Atari Librarian for PC) Version 1.1 (Sep 25, 2023), AspeQt - Atari Peripheral Emulator - A8W Edition for Windows and Ubuntu, Ultimate 1MB (U1MB) Rom Builder v1.04

    Atari, Inc. 9/24
    286 Madison Ave
    New York NY 10017-6345
    USA
    https://atari.com/
    Vendor: THE400 Mini (emulated Atari 400, 800, 5200, 800XL, or 130XE, in miniature case, with 25 built-in games)
    Developer: CX40+ Joystick Controller, CX30+ Paddle Controllers,
    CX78+ Gamepad Controller, DB9 Extension Cable

    Atari800 Emulator Developers 1/24 Petr Stehlik (maintainer), Perry McFarlane (core developer), Piotr Fusik
    (core developer), Tomasz Krasuski (core developer), Mark Grebe (Mac OSX), Kostas Nakos (Windows CE, Android), James Wilkinson (DOS, BeOS, Win32), Christian Groessler (Sega Dreamcast), Andrey Dj (Raspberry Pi),
    Miro Kropacek (Atari Falcon)
    See also: Petr Stehlik
    See also: Piotr Fusik
    See also: Mark Grebe
    See also: Christian Groessler
    See also: Tomasz Krasuski
    See also: Miro Kropacek
    See also: Kostas Nakos
    See also: James Wilkinson
    https://atari800.github.io/
    Developer: Atari800 Version 5.2.0 (2023/12/29) -- emulator of Atari 8-bit computer systems and the 5200 console for Unix, Linux, Amiga, MS-DOS, Atari TT/Falcon, MS-Windows, MS WinCE, Sega Dreamcast, Android and other systems running the SDL library

    AtariAge Store 1/26
    USA
    https://store.atariage.com/
    Vendor: New hardware (featuring current products from Atari)
    Developer: Adventure II XE, Castle Crisis, A/W/A Anthology

    atariarchives.org (Kevin Savetz) 8/14
    USA
    http://www.atariarchives.org/
    Vendor: exclusive software downloads: Simax Video Signmaker and Simax Picture Disks by Jack Bellis; SCREENS by Joseph J. Wrobel; Slime, Fort Apocalypse, and Dimension X by Steve Hales; Chicken, Nautilus, Protector II, and Shadow World by Mike Potter; Dragon's TAIL (Toolkit And Integrated
    Library) by Ed Churnside; Shark and OS/II by Matthew Stepka; Atari Program Exchange (APX) titles: Lemonade, Preschool Games, Reversi, Newspaper Route Management Program, Castle, Alien Egg, Sultan's Palace, Extended fig-FORTH, Supersort, Lookahead, Dice Poker, Babel, Domination, Decision Maker, Terry, Eastern Front (1941), Wizard's Revenge, Mapware, Diskette Librarian, Chameleon CRT Terminal Emulator, Data Management System, Instedit, Pro Bowling,
    Downhill, Blackjack Casino, DSEMBLER, T: A Text Display Device, Dog Daze, Memory Match, Attank!, Insomnia (A Sound Editor), Enhancements To Graph-It, Astrology, Weekly Planner, Family Cash Flow, Mathemetic-Tac-Toe, Ultimate Renumber Utility, Stereo 3-D Graphics Package, Solitaire, Source Code For Eastern Front (1941), Letterman, Number Blast, Advanced Musicsystem, Isopleth Map-Making Package, Keypad Controller, Family Budget, Speed-O-Disk, Starware, Instedit - Microsoft BASIC version, Midas Touch, Seven Card Stud, Rabbotz, Algicalc, Polycalc, Family Vehicle Expense, Frogmaster, Galahad And The Holy Grail, Cribbage, Mantis Boot Tape Development System, Math*UFO, Easygrader, Message Display Program, Snark Hunt, Calculus Demon, Mankala, Monkey Up A
    Tree, Deep Blue C Compiler, Game Show, Real Estate Cash Flow Analysis, Diskmenu, Quarxon, Yahtman, Microsailing, BASIC/XA, Melt-Down, Deep Blue Secrets, Magic Melody Box, I'm Different!, Air Raid!, Catterpiggle, Getaway!, Punctuation Put-On, Drawit, Dandy, Home Inventory, Circuit Lab, Bootleg, Smasher, Moon Marauder, Puzzler, Eastern Front Scenarios 1942 1943 1944, Eastern Front (1941) Scenario Editor, Ringmaster, Excalibur, Cartoonist, Bellum, Mastermatch, Weakon, Dog Daze Deluxe, Dragon's Quest or a Twist in the Tail, Character Fun, Bumpomov's Dogs, Envision, Gossip, Erg
    Publisher: authorized online editions of books: Digital Deli, Best of Creative Computing volume 1, Best of Creative Computing volume 2, Best of Creative Computing volume 3, The Creative Atari, Machine Language For Beginners, Second Book of Machine Language, Mapping the Atari, Master Memory Map for the Atari, De Re Atari, Atari Roots, Assembly Language Programming for the Atari Computers, Atari Graphics and Arcade Game Design, Atari Player- Missile Graphics in BASIC, Compute!'s First Book of Atari Graphics, Compute!'s Second Book of Atari Graphics, Compute!'s First Book of Atari, Compute!'s Second Book of Atari, Compute!'s Third Book of Atari, Computer Graphics
    Primer, Computer Animation Primer, Inside Atari DOS, SpeedScript: The Word Processor for Atari Computers, Electronic Computer Projects for Commodore and Atari Personal Computers, Computer Controller Cookbook, Atari BASIC - A Self- Teaching Guide, Atari Basic XL Edition, The Epson Connection: Atari XE/XL, Creating Adventure Games On Your Computer, BASIC Computer Games, More BASIC Computer Games, Big Computer Games, BASIC Computer Adventures, Artist and Computer, Colossal Computer Cartoon Book. also: Cleveland Free-Net Atari SIG Archive, The Ol' Hackers Atari Users Group (OHAUG) Newsletter (1990-2000)

    Atari Basics (John Zielke) 12/24 https://ataribasics.com/
    Publisher: Atari Insights (online newsletter, 2024- )

    Atari Bit Byter User Club e.V. (ABBUC) 12/24 Postfach 1030
    48481 Neuenkirchen
    Germany
    https://abbuc.de/
    Developer: software: Quick! (programming language), AMC programs,
    KE-Soft programs, Mirage software programs, programs of Ulf Petersen
    including LDS Freezer; LDS "C:" Simulator; Black Magic Composer
    Publisher: AMC-Soft Magazine, Quick magazines, ZONG reader disks (KE-Soft), diskline magazines, USER-Mags (Ulf Petersen)
    Repair Shop.

    AtariGiant 10/22
    2 Walford Road,
    Walford, Ross-On-Wye,
    HR9 5RX,
    United Kingdom
    https://atarigiant.com/
    Vendor: new/used hardware, new/used commercial software
    Repair Shop.

    Atari klub - spolek p+O|!znivc+> historick|- v|+po-ietn|! techniky 12/24
    Ji++n|! 333/17
    Olomouc
    783 01
    Czech Republic
    I-i: 028 01 329
    http://www.atariklub.cz/
    http://flop.atariportal.cz/
    Publisher: FLOP disk magazine (#68 published December 2024; Bohdan Milar, editor-in-chief)

    Atarimax (Steven J. Tucker) 6/22
    USA
    tel: 216-577-8329
    https://www.atarimax.com/
    Developer: Atari Peripheral Emulator (APE) and ProSystem v3.0.2 for Windows (free download) or v.3.0.13 for registered users, APE & ProSystem 1.18
    for DOS/Win3/95/98, APE Warp+ OS 32-in-1 Switchless Upgrade (2 versions: XL/XE except 1200XL/XEGS; 1200XL), Imagic 1.06 versions for Windows or DOS (ATR/XFD/DCM/SCP conversion), Atari Terminal Simulator ATS 2.0 for Windows (ATASCII Telnet/Serial Terminal & Break Movie Player), Break Movie Screensaver for Windows, Maxflash 1mbit and 8mbit Flash Cartridges, Maxflash USB Cartridge Programmer, Maxflash Studio for Windows, SIO2PC/ProSystem Universal Interface (6 versions: USB Interface w/ SIO Jack or w/ Terminals; Serial Interface w/SIO Jack or w/Terminals; Dual Port USB Interface w/ SIO Connectors; Dual Port
    RS232 Interface w/ SIO Connectors), Atarimax MyIDE-II CompactFlash Cartridge, Atarimax/ABBUC USB Cartridge

    Atari Online News, Etc. 6/16
    See: Dana P. Jacobson

    The Atari Shop (Sandra) 4/16 Netherlands
    http://www.atari-shop.nl/
    Vendor: new/used hardware, new/used commercial software

    ------------------------------

    Subject: B

    B & C ComputerVisions (Bruce Carso) 12/24 5917 Stope Way
    El Dorado CA 95623-4716
    USA
    tel: (530) 295-9270 11:00 AM to 4:00 PM Monday to Friday (Pacific Time) https://www.myatari.com/
    Vendor: new/used hardware, commercial/PD/freeware/shareware

    Eric Bacher 5/16
    See also: James Wilkinson
    https://sourceforge.net/u/ebiguy/
    Developer: Dis6502 2.2 (Interactive 6502 Disassembler for Win32,
    designed to specifically support Atari binary files; Win32 Port - 2005 by
    James Wilkinson), MakeMenu 1.3 (AtariMax cartridge front-end)

    Matthew Bacon 7/16 United Kingdom
    http://www.myatari.net/
    Publisher: MyAtari online magazine (published October 2000 - February 2005)

    BackBit 10/23
    USA
    https://store.backbit.io/
    Developer: BackBit Pro Cartridge (universal instant loading cartridge capable of interfacing with multiple vintage computers via system-specific adapters, including: Atari 400/800/XL/XE), Chip Tester Pro V2,
    DIY CartRip (for Chip Tester), BackBit Pro Cartridge Adapter


    BAHA Software (BAKTRA Software and HardCore) 10/22
    See also: BAKTRA Software
    Czech Republic
    https://baktra.wz.cz/baha-software/
    Developer: HardCore Music Box 1, HardCore Music Box 2, Bugs Fight M4, Rozstrel M4, Kde Domov Muj M4, Chcete Byt Milionarem II, Shootout 2 M4,
    Kostky M8, Yahtzee M8, Train 3, Train 2, Train

    BAKTRA Software (Michael Kalou+i) 6/25
    See also: BAHA Software
    Czech Republic
    https://baktra.wz.cz/
    https://sourceforge.net/u/baktrasf/profile/
    https://github.com/baktragh
    Developer: TURGEN 9.4.2 for Java (create Atari tapes). utilities for TURGEN: XEX2CAS 2.6.3 (Windows, GNU/Linux, and more), CAS2Audio 1.0.4 for Android (play back tape images), Turbo Decoder 1.0.1 for Java (interactive program for decoding Atari turbo cassette tapes), DOS 2 Binary File Checker (D2BFC) 1.5 for Java, DTX Manager 1.5 for Java, Cassette Tools. games:
    Caverns of the Lost Miner, Curse of The Lost Miner. Turbo 2000 Copiers and Tools: ChainCopy (Cassette > RAM > cassette), COPY T/H (copies files to the
    H1: host device), BACKUP T/D (tape preservation toolkit). ATR1PRNT for Java (ATR disk image dumping tool). mmSAP 3.0.3 for Windows and Linux (based on ASAP library; also loads RMT,TMC,TM2,MPT,CMC files directly)

    Richard Bannister 6/22 Dublin
    Ireland
    https://www.bannister.org/
    Developer: Rainbow v1.6.0 (May 1st, 2021) - Atari 800 Series Emulator for Mac OS X, Emulator Enhancer v3.1.1

    BartGo 12/24 https://github.com/BartGo
    Developer: "Poznajemy Forth" / "We get to know Forth",
    lapacz (game for VolksForth),
    forth-atari (programs and code snippets for APX Extended Fig-Forth)

    Barts Elektronica 8/25
    The Netherlands
    https://www.chat64.nl/
    Developer: Chat64 for Atari 800XL

    Anthony Beaucamp (8bit-Dude) 2/21 Kyoto, Japan
    https://github.com/8bit-Dude
    http://8bit-unity.com/
    http://8bit-slicks.com/
    Developer: 8bit-Unity (game development kit), 8bit-Studio (3D modelling software), 8bit-Hub (open source hardware), 8bit-Slicks (game - Dragon Cart optional version or #FujiNet optional version), 8bit-OS, 8bit-Web

    Brian Berlin 2/20 http://kat5200.jillybunch.com/
    Developer: kat5200 0.8.1 (1/1/18) -- Atari 5200 and 8-bit computers emulator for Win32 PC, Mac OS X, or Linux/Unix

    Dave Bernazzani (llabnip / wavemotion-dave) 3/25 https://github.com/wavemotion-dave
    Developer: A8DS V4.2 (01-Feb-2025) - port of Atari800 emulator for the Nintendo DS/DSi

    Best Electronics (Brad Koda) 9/17
    672 Commercial St
    San Jose CA 95112-1406
    USA
    Telephone: (408) 278-1070 (M-F 1:30pm to 5:00pm PST)
    E-FAX: (815) 364-3703
    https://www.best-electronics-ca.com/
    Vendor: new hardware, commercial software
    Developer: "XE" Touch keyboard upgrade for XE computers, Best Light Gun, Best Gold CX40 Joystick PCB, Atari CX40 Joystick Rebuild Kit with Atari Upgraded CX40 Handle and Best Gold CX40 PCB, Atari CX40 Joysticks upgraded
    with the Best Gold CX40 PCB, Atari Jaguar Power Pad to Other Atari Systems Adapter Cable, Sega Genesis Controllers To Atari Systems Adapter Cable,
    CX30 Replacement S5 Super Paddle Pot, 800 Dust Cover, 600XL Dust Cover,
    800XL Dust Cover, 60XE/130XE Dust Cover, XE Keyboard Mylar, XE "Mega Touch" Keyboard Springs, Auto Switching TV Switch Box kit for XE Game System,
    CX24 Joystick Gold Board set , Atari CX24 Joystick with Best Gold Board Set, Copmposite Video Cable

    Big Five Software (Bill Hogue, Jeff Konyu, Curtis Mikolyski) 5/15
    USA
    http://www.bigfivesoftware.com/
    Developer: Miner 2049er and Bounty Bob Strikes Back! Emulator for PC

    BITS (SOLO)(Herman Samso J.) 3/14 http://bits.atari.org/ or http://thebitsclub.tripod.com/
    Developer: tools & utilities: #1000 (20080312), #1600 (20140310 -
    PIXeL PaINT). intros & demos: #1502 (20080314), #1503 (20100607),
    #1504 (20110326), #1505 (20110317), #1506 (20110617), #1507 (20120319),
    #1508 (20120616)

    Bits of the Past (Dropcheck / Lenore Underwood) 8/14 Oklahoma City OK
    USA
    http://www.bitsofthepast.com
    Developer: 256K Memory Upgrade Kit, 4in1 OS Adapter, GTIA-PAL Adapter (800/1200XL), GTIA-PAL Adapter (800/1200XL) Bundle, Reimaged Rambo XL 256k Memory Upgrade, Reimaged Rambo XL 256k Memory Upgrade Combo, Reimaged Ramrod
    XL Adapter, Reimaged Wizztronics 256k Memory Upgrade (ANTIC CO12296), Reimaged Wizztronics 256k Memory Upgrade (ANTIC CO21697), Reimaged Wizztronics 256k Memory Upgrade Combo (ANTIC CO12296), Reimaged Wizztronics 256k Memory Upgrade Combo (ANTIC CO21697), Reimaged XF551 Disk Drive Controler w/Modern Power Supply, Reimaged XF551 Disk Drive Controller w/Original Power Supply, Super
    MMU Adapter (for an Ultimate Board or an intSDX board), Wizztronic Upgrade Kit

    Wojciech Bocia+aski (Bocianu/Tristesse) 1/25 Poland
    https://bocianu.atari.pl/
    Developer: games: Pac Mad, The Game of Zilch, Just Pong, Pop'n'Drop [WIP], Mister Hoppe, Jaskinia City Quest, Stary Dom, ChessNet, Dirt Track Speedway, FloB, The Hangmad, Rogul. tools: convert.py, asm2rle.py, Pac Mad Editor, pasdoc, BLIBS, MadStrap, CutAs, ARTur, FiDL, FujiNet Weather, SprEd, FujiNews

    Dan Boris 11/15
    USA
    http://www.atarihq.com/danb/atari8bit.shtml
    Developer: Atari Disk Explorer for Windows XP or greater Microsoft .NET Framework 2.0 (Supports XFD and ATR disk image formats)

    Bo+itjan Grandovec 12/24 Pot na Jo+ita 27
    4000 Kranj
    Slovenia
    https://bostjan-grandovec.si/
    Developer: Pantheon 14.620 multi-emulator for Windows, supports 2,536
    games for the 8-bit Atari

    The Brewing Academy (TBA) (Marlin "MacRorie" Bates) 6/20 Woodland CA
    USA
    https://thebrewingacademy.com/
    Vendor: Atari Pokey C012294, PAL System Crystal C016112, Incognito,
    Ultimate 1MB Upgrade, DreamBlaster S2 from SerdaShop, SiDE2 Cartridge,
    Rapidus 65C816 Accelerator
    Developer: MyTek 1088XEL (an Atari 800/XL/XE Clone), TBA RT8 Cartridge replacement for R-Time 8 cartridge for Atari 800/XL/XE machines, TBA Replacement Power Supply for Atari XL/XE, TBA Replacement Power via USB for Atari XL/XE, TBA SDrive-MAX, TBA Ultimate-A8 SD Cartridge, TBA UNO-A8 Cart, TKII PS/2 Keyboard "Piggyback" Version Without PS/2 Connectors, TKII PS/2 Keyboard "Piggyback" Replacement, TK-II-XEGS-S (PS/2 for XEGS) Keyboard Replacement, TK-II Stereo Keyboard Replacement, PIC2JOY PIC Chip Programmer, JOY2PIC-STIK PIC Chip Programmer, Atari XE Keyboard Mylar, TBA Ultimate Atari Video (UAV) board, S-Drive Max Case Only, Half SIO cable for S-Drive, Internal Audio Board (Atari 400 & others), BOBby Atari Video Break Out Board, Sophia rev. B (RGB video output), Sophia rev. C (DVI output), SDrive-MAX (no case), Monitor port for 600XL UAV upgrade, PS/2 Mouse adapter, P-COVOX Digital to Analog Converter, SIO Splitter, TBA's 8gb uSD & adapter Card for the
    Ultimate A8 Cartridge, TBA's 8GB uSD Card for the UNO-A8 Cartridge
    Repair shop.

    Lyren Brown (Xuel) 12/20
    USA
    https://github.com/lybrown https://lybrown.github.io/fujiconvert/
    Developer: Atari Beaglebone Expansion project, palmovie (Atari 8-bit 160x120 16-color movie maker), RastaMovie (movie maker for RastaConverter), flickermovie (Atari 8-bit 160x240 16-color flicker movie maker), tiles (Tiled Side-Scroller Demo using PAL Blending), digi (Atari 8-bit digital sound), tiles512 (Tiled Side-Scroller Demo with 512 Characters), pi (Apple 6502 pi calculator ported to Atari), Cavern 10, chunkyflicker (Flicker Mode),
    drunkntsc (Drunk Chessboard NTSC), vim-xasm (VIM Syntax Highlighting for
    XASM), Deluxe Invaders Shot Sound Hack, Boot Cassette Maker Fix, dis - Statically Tracing 6502 Disassembler, FujiConvert v0.3.3 (Convert media to various Atari 8-bit formats)

    ------------------------------

    Subject: C

    Sidney Cadot 11/24 Delft
    The Netherlands
    https://github.com/sidneycadot
    Developer: Atari8bit_StarRaiders (reverse engineering of Star Raiders), Atari8bit_OSB-NTSC-ROM (reverse engineered Atari OS ROM images),
    sam (Reverse engineering SAM and Reciter (Atari 8-bit speech synthesizer)

    Mario Caillahuz ("Allas") 2/21 Lima
    Peru
    http://atari.limitevisual.com/
    Developer: Jewel Bits, Animal Party, MULE Wars, Plague Attack,
    Voyage to Home, Accion

    cc65 community 7/21
    See also: Piotr Fusik
    https://github.com/cc65/
    Developer: cc65 - a freeware C compiler for 6502 based systems,
    IP65 - a TCP/IP stack for 6502 based computers which includes TCP/IP libraries and several TCP/IP programs: Date65, Telnet65, Tweet65 (IP65 supports the Dragon Cart and the Dracarys Ethernet devices for the Atari)

    cepetr 8/25 https://github.com/cepetr
    Developer: sio2flip (Atari SIO Peripheral Emulator for Flipper Zero), sio2flip bootloader

    Itay Chamiel 7/25 Jerusalem
    Israel
    https://github.com/itaych
    Developer: Ice-T XE (telecommunications software) v2.8.2 (July 13, 2025)

    Gray Chang 12/24
    USA
    https://ataridogdaze.com/
    Developer: Dog Daze, Claim Jumper, Dog Daze Deluxe, Bumpomov's Dogs

    Thomas Cherryhomes 9/19
    USA
    https://www.irata.online/
    Developer: PLATOTerm 1.0 (disk) or PLATOTerm Lite 1.3 (cartridge) -
    terminal emulator for PLATO/CYBIS systems such as IRATA.ONLINE and CYBER1.ORG

    Rafal BOBER Ciepiela 6/22 Poland
    https://sourceforge.net/projects/atari8/ or https://atari8.sourceforge.net/
    Developer: Franny 1.1.3 (ATR disk image editor), Yvonne 1.0 (Atari picture viewer), ZooEY 1.4 (6502 crossassembler compatible with Quick Assembler)

    Classic Computer Magazine Archive (Kevin Savetz) 12/24
    USA
    https://www.atarimagazines.com/
    Publisher: authorized digitized editions of: Antic (all 88 issues), STart (all 42 issues including the 8 that incorporated Antic), Creative Computing
    (35 issues), A.N.A.L.O.G. (10 issues), Compute! (98 issues), Creative
    Computing Video & Arcade Games (both issues), Hi-Res (all 4 issues), ROM (all 10 issues)

    Cloud-9 (Mark Marlette) 6/22 3749 County Road 30 SE
    Delano MN 55328-8137
    USA
    http://www.cloud9tech.com/
    Vendor: Liber809 (Motorola 6809 microprocessor upgrade for the Atari 800XL/1200XL/130XE, allows the Atari to run the NitrOS-9 operating system)

    Computer-Magazin-Archiv (Matthias Jaap) 12/24 Germany
    https://www.stcarchiv.de/
    Publisher: authorized digitized editions of: Happy Computer (1984-1990), ATARImagazin (1987-1989), Computer-Kontakt (1985-1987)

    Computer Software Services (CSS) 7/16
    See: NLE Computer Software Services (New Life Electronics CSS)

    Console5 (Luke Sandel) 11/24 Michigan
    USA
    https://console5.com/
    Vendor: new hardware, commercial software

    Nick Coplin 6/22 Perth, Western Australia
    Australia
    https://www.64hdd.com/
    Developer: 64JPX - JoyPad eXpander (connect Sega MegaDrive/Genesis,
    Nintendo SNES/NES joypads, and/or DB15 type PC controllers to the Atari)

    COREi64 (Thomas Christoph) 11/23 Spruce Grove, Alberta
    Canada
    https://corei64.com/
    Vendor: various 3D printed cases, 8K/16K Pixels Past Cartridge Bare Board, Super SpartaDOS X Cartridge

    Cosine 12/24 T.M.R (programming, graphics), Sack (music), Bex/Slipstream (music),
    aNdy (music), Miker (music), Der Luchs (music), Odie (music)
    United Kingdom
    https://www.cosine-systems.com/cosine/
    Developer: C.G.M. UKScene Radio intro (30th August 2003),
    1K Party demo (21st March 2004), Reaxion game (31st December 2005),
    Greetz0rz demo (18th March 2012), BrainPower demo (24th April 2012),
    Callisto game (28th October 2012), Battle Eagle game (27th October 2013),
    Lunar Blitz game (January 2014), 15 Shades of Grey demo (15th March 2014),
    15 Hues demo (16th March 2014), Inc Year demo (1st January 2015),
    MD201601 demo (1st January 2016), MD201701 demo (1st January 2017),
    Blok Copy game (1st January 2018), DYCP 2018 demo (1st January 2018)

    Preston Crow 1/24 Ashland MA
    USA
    https://www.crowcastle.net/preston/atari/ https://github.com/pcrow/atari_8bit_utils
    Developer: ATRFS (mount an ATR image as a native file system in Linux), SIO2Linux (similar to SIO2PC, but for Linux), Binary load file analyzer,
    BASIC analyzer, Disk image format conversions: atr2unix unix2atr dcmtoatr,
    Disk manager (Atari-side sector editor and more), MyDOS Binary Load Menu,
    6502 disassember (focusing on Atari code)

    Jorge Cwik 1/18 http://www.fxatari.com/
    Developer: VAPI Atari 8-bits Imaging & Preservation format (.ATX) and
    tools: Patched Emulator (based on Atari800Win PLus 4.0 Beta 3) +
    VAPI DLL 0.3a, VAPI2SIO (SIO2PC for VAPI) 0.2a

    ------------------------------

    Subject: D

    Rudy Delvaux (Dearhorse from Shadow Team) 4/16 France
    http://ataritools.fr.gd/
    Developer: AtariTools-800 0.6.5 (CHAR-Edit + SCREEN-Editor + PM-Editor + GR-Editor + TTF ATARI Fonts + 4 PDF docs + samples for the 4 tools)

    Device Side Data 3/21 11100 Sepulveda Blvd # 6502
    Mission Hills CA 91345-1131
    USA
    (888)675-3638
    Customer service hours: All day, Monday through Friday, by email only http://www.deviceside.com/
    Developer: FC5025 (USB 5.25" floppy controller for Linux/Mac/Windows computers - can read Atari 810 disk type)

    DGS (Dean Garraghty Software) 5/15 United Kingdom
    http://www.dgs.clara.co.uk/
    Vendor: commercial/PD/freeware/shareware: DGS Atari 8-bit Software Pack Commercial Software Collection, containing:
    - The Quick programming language V2.2 and V2.1 with 2 support disks
    - Screen Aided Management (SAM) v1.25i 80-col desktop system with Budget
    spreadsheet, Designer DTP package, and Extra Utilities
    - 4 PPP Games: Bombi, Rubberball, Glaggs It!, and Minesweeper
    - Quick Ed (a character set editor for ST-compatible mouse, joystick, or
    Atari touch tablet)
    - Digi-Studio digitized sounds/music package
    - Issues 1-14 of the DGS News-Disk disk-based magazine
    - Issues 15-19 of the DGS News-Paper printed magazine (scans of the original
    mags)
    - Issues 20-26 of the DGS News-Paper-on-disk on-disk magazine
    - News-Paper Yearly disk (to go with the News-Paper magazine - includes lots
    of Quick source code)
    - Print-Filer from Rambit
    - Bonus Software: MyDOS 4.5, Discomm32, UTIL (PC utility to read/write 180K
    MyDOS Atari disks)
    Also offered via email: Quick Programming Language, Print-Filer from Rambit, Alien Blast, RubberBall, Glaggs It!, Bombi, Minesweeper, PPP Games Pack
    File Transfer Service: transfers files between Atari and PC

    Dial Group (Jager, Zenon) 8/14 Poland
    http://www.serious-dial.atari.pl/
    Developer: DOS Control v2.6 (08.11.2005). demos: MayDay!, Smells like a cream?, What is love?. utilities: TwoCol v1.0, D-Font View v1.1, D-Sample v1.0MS, D-RAM v1.1, X-RAM v1.0, DocView Maker v1.0, D-Trans v0.9, Short Test v1.2, Moj Cartridge v0.1, TOMS Multi Drive ROM-disk Maker, ProgBaza v1.5, Double RAM-Cart. games: Dreszcz - Fighting Fantasy Game. system: Scene
    Register v5.0.
    Publisher: Serious Magazine (disk mag), #1(1998)-#17(2005)

    DigitalDinos (Thomas McLaren) 3/21
    PO Box 472
    Mentor OH 44061-0472
    USA
    440-709-6072
    http://www.digitaldinos.com/
    https://www.ebay.com/str/digitaldinos
    https://digitaldinos.ecrater.com/
    Vendor: used hardware, used commercial software

    Digital Force (Mario Trams) 4/16 Germany
    http://www.digital-force.net/
    Developer: HyperSpeed XL/XE (public domain hardware project-- a
    65C816 Processor Extension for the ATARI XL/XE)

    Florian Dingler (Flo) 1/18 Germany
    http://www.akk.org/~flo/
    Developer: Sheeprace (for MultiJoy interface, Aug 2002), CardGrabber
    (for MultiJoy interface, May-Aug 2002), Peripheral Test 2.0 (Hardwaretester) (Dec.2008)

    DLT Ltd. (Draco, Lizard, Trub, Innuendo, GoodByteXL) 12/24
    See also: Konrad M. Kokoszkiewicz
    See also: trub
    Poland
    http://sdx.atari8.info/ or http://spartados.com or http://spartadosx.com
    Developer: SpartaDOS X 4.50 (23 Dec. 2024), SDX Toolkit (23 Dec. 2024).
    SDX Add-ons: SDX Imager online (beta), SDX Imager 3.1.3 for Windows, SDX
    Imager 3.1.2 for Windows, SDX Imager 3.0.8 for Windows, SDX2Atrax converter
    for Windows, MUXTIME (SDX version), Emu-pack v.0.2, S2I (a SIO2IDE-specific tool), S2S (a SIO2SD-specific tool), MNT (a KMK/J++ IDE 1.0 / IDEa specific tool)

    Jim Drew 11/14 http://www.cbmstuff.com/
    Developer: SuperCard Pro (for PC) -- make backup copies of 5.25" or 3.5" floppy disks (including any Atari disk) directly to another disk, or store
    the data as a flux image file (.scp)

    drunkeneye 11/24 Ruhrpott, Germany
    https://github.com/drunkeneye
    Developer: MAFIA 1.12 - a game originally by Igelsoft, ported to Atari
    8-bit by drunkeneye, +Adam+ and Miker

    Duckology ( EdwardianDuck / Jeremy ) 5/15 United Kingdom
    http://duckology.co.uk/code/
    Developer: Sudoku Solver Version 0.3 (10 February 2015)

    Krzysztof Dudek (xxl) 6/22 Poland
    https://xxl.atari.pl/
    Developer: programs: xBIOS, xBootDOS, SlightSID Player, CompoFiller.
    games: Apple Invaders, Chopin2010, DeathChase XE, Flowers Mania, Galaxian, Gravity Worms, Hobgoblin, Isora, Jet Set Willy 2007, Jetboy, Knight Lore,
    Loops DX, Loops of Zen, MazezaM, MiniCHESS, Minotaur 16K,
    Night Driver Arcade, Nightshade, Scorpions, Scorpions v2.0, Sudoku,
    Sudoku Sweep, The Nutty Professor, The Udders. 1-BIT Music: Beep'em All.
    code: LZ4 decompressor (with fox), aPLib decompressor,
    Shrinkler decompressor (with fox), ZX0 decompressor, ZX5 decompressor,
    ZX7 decompressor, PackFire decompressor, BitBuster decompressor,
    ARJ4 decompressor (with Konop, Rastan), AKYPlayer (Player procedure for Arkos Tracker 2 editor), xSFX Engine.

    ------------------------------

    Subject: E

    Edladdin Controllers (Ed Kelly) 2/17
    PO Box 987
    Athens GA 30603-0987
    USA
    http://edladdin.com/
    Developer: Super 78, Super Twin 78, Supreme 78: All-Play 4/8,
    Supreme 78: All-Leaf, Game Controller Extension Cord

    Robin Edwards (electrotrains) 7/24 Scotland
    https://github.com/robinhedwards
    Developer: Ultimate Cart project, UnoCart project, A8PicoCart project (UnoCart on a Raspberry Pi Pico clone)

    Gene Ehrich - "Computer & Video Game Garage Sale" 4/16
    PO Box 3365
    Spring Hill FL 34611-3365
    USA
    http://ehrich.com/
    Vendor: used hardware, used commercial software

    Eight Bit Fix (Paul Westphal) 1/15 Portland, OR
    USA
    http://www.eightbitfix.com/
    Vendor: hardware, new/used commercial software
    Repair shop.

    Emulators.com (Derek Mihocka) 10/18 14150 NE 20th St Ste 302
    Bellevue WA 98007-3700
    USA
    http://www.emulators.com/
    Developer: Gemulator 9.0 Community Release - Atari 800 and Atari ST emulator for Microsoft Windows (November 30, 2008); Gemulator 2000 version 8.03 - Atari 8-bit, Atari ST, and Apple Macintosh Plus emulator for Windows (May 9, 2001); Xformer 2000 version 8 - Atari 8-bit emulator for Microsoft Windows
    (November 7, 2000); PC Xformer Classic 3.8 - Atari 8-bit emulator for MS-DOS (Dec. 8, 1998); ST Xformer 3.0 - Atari 8-bit emulator for Atari ST
    (Dec. 8, 1998); Xformer 10 - Atari 8-bit emulator for Windows 10 (10-10-2018)

    Raphael Espino 9/17 United Kingdom
    http://rjespino.atari.org/ or http://rjespino.tripod.com/atari.html
    Developer: Ramdrive v1.0 (DOS-independent ramdisk utility), Atari 8-bit
    JPEG Viewers: a8jdpeg 0.8 (14Sep02) "The original Atari 8-bit interface", JpegView 0.9 (17Oct03) "A friendlier menu oriented version of a8jdpeg", JpegShow 0.1 (07Aug01) "A slideshow version",
    CpegView 0.5 (18Aug07) "The colour JPEG viewer for Atari 8-bit computers"

    Excel (Robert Stuart) 4/20 Scotland
    United Kingdom
    http://excel-retro-mag.co.uk/
    Publisher: Xcel disk magazine #1-23 (1991-1993); print magazine 2016-

    ------------------------------

    Subject: F

    Fandal (Frantisek Houra) 5/23 Czech Republic
    https://a8.fandal.cz/stuff.php
    Developer: Sturbon Intro, FreeCellXE, TriPeaksXE, HexxagonXE, Astro Road, Cubico, The Storm, A Tribute to Quorthon, Bombex, The Steam Train,
    Astro4 Road, Mysterion Preview, Mind Blast, Outlaw, Swapz,
    Who Lost the Wallet?, Space Arena, Pokey Demo, Music Disk Stereo Edition, MJ-R.I.P., Diamondz, Prototype, Milk Nuts v.1.11, Mashed Turtles,
    Oilgame Deluxe, Deflektor Editor, Mahjong XE, Rubacka vo kopec,
    Space Arena M4, Tajemny amulet, Broad's Revenge, Jezkovy voci, Muxeso,
    Ate'em All, Diamondz 2, Crescent Solitaire, Fruity Pete, multi10,
    Letter Scrabble, Diamondz 3, Jatari, Bunny Hop, onEscape, Tupouni

    Wolfram Fischer (Mega-Hz) 6/20 Germany
    http://www.mega-hz.de/
    Vendor: SIO2IDE, SIO2SD rev.1, SIO2SD rev.2, SIO2SD rev.3, SIO2PC
    Developer: ASCB (ABBUC SIO Connector Board), mega-mem, Stereo Prototyp 2008, Stereo Small 2010, MEGAMAX Modul, Atari Quarz 14.18757 Mhz,
    512K Speichererweiterung, THE!CART Multi-Mode Cartridge (128MB Flash and
    512KB SRAM)

    FLOP disk magazine 7/20
    See: Atari klub

    Fly Software (Peter Svoboda) 6/22 Czech Republic
    http://fly.atari.org/ or https://atari.panprase.cz/
    Developer: Antiseno 2008cz, Day After One, Demo 2001,
    DR. Sparkz_A.B.B.U.C version, Gangsters 2007, Gangsters Intro,
    Indiana Jones 3 aneb Tajemstvi Svateho Gralu,
    Indiana Jones a zlata soska keltu, Kolony 2106, Kolony cz, Logik,
    Maturita 2001, Mesta CR, Mesta SR, Milk Nuts, No Name, Podraz 2001,
    Pomsta Sileneho Hulice, Robbo after 20 years v1.1, Robbo after 30 years, Ruleta, Rychle Sipy 2012 aneb Zahada hlavolamu, Sniper, Sniper 2007,
    Sniper Intro, Stary dum, Strategi, Textovky, V.U. 5259 aneb Utek z Hejcina, V.U. 5259 aneb Utek z Hejcina intro, Vietnamska Mise

    Keir Fraser 4/19 Cambridge, UK
    https://github.com/keirf
    Developer: FlashFloppy (Floppy drive emulator for Gotek hardware) --
    Image formats supported include .ATR (Atari 8-bit)

    Markus Fritze (sarnau) 10/23 Hamburg, Germany
    https://github.com/sarnau/Atari8BitGhidra
    Developer: Atari 8-Bit Ghidra Loader for various file formats

    Joseph Freeston (snorklerjoe) 12/24
    USA
    https://github.com/snorklerjoe
    Developer: atari8-ham-terminal (serial terminal program for amateur radio)

    Piotr Fusik ("0xF", "Fox") 12/23
    See also: ASAP - Another Slight Atari Player developers
    See also: ASMA - Atari SAP Music Archive developers
    See also: Atari800 Emulator Developers
    See also: cc65 community
    See also: Numen developers
    See also: RECOIL (Retro Computer Image Library) developers
    See also: Yoomp! developers
    Poland
    https://github.com/pfusik
    https://fusik.info/piotr/
    Developer: Bumpong (Pong version based on the bump mapping effect), Mahna-Malysz (4k game), Silly Venture 2014 Atari XL/XE Invitation,
    Fifty Shades of Grey (demo), COINV-20 (combined invitation for Lost Party
    and Silly Venture), Korporazka (32-byte intro), 6502 unShrinkler, esctime (256-byte intro), Numen (demo, 2016 version), Look Around (One kilobyte
    intro), xasm 3.2.1 (2022-12-08; a 6502 cross-assembler with original syntax extensions; by default it generates binaries for Atari 8-bit computers)

    The Future was 8bit Ltd. 4/20 United Kingdom
    https://www.thefuturewas8bit.com/ or http://TFW8b.com
    Developer: Joystick Port Extension Cable, Rodman Special Edition,
    Composite Video/Audio Cable, 9PIN D type Joystick Port Socket

    FutureVision Research (Brian Cox) 7/24
    USA
    https://www.fvresearch.com/
    Vendor: new hardware (electronics and coding kits, extra supplies,
    learn to solder kits)
    Developer: FujiNet for Atari 8-Bit

    ------------------------------

    Subject: G

    Galtron 1/26 Przemys+eaw Galanciak
    Gda+aska 148
    90-536 +U||d+|
    Poland
    https://www.galtron.pl/
    Vendor: commercial software
    Developer: RAM Cart, Atari Super Turbo Cartridge, Turbo Top Drive for 1050, Turbo UM for Atari program recorders
    Repair shop.

    Paulo Garcia (pedgarcia) (PauLowRes) 9/25 Canada
    https://github.com/pedgarcia
    https://8bitrelics.com/
    Developer: Atari OSS Action! syntax highlighting for Visual Studio Code, Tection! (Tetris-like game made with OSS Action! language),
    Fujisan (Cross-platform Atari 8-bit Emulator based on Atari800)

    David Given 1/24 Zurich
    Switzerland
    https://cowlark.com/
    Developer: CP/M-65 (native port of the CP/M operating system to the 6502, running on systems including the 8-bit Atari)

    GMG 11/21 Robert 'Globe' Pecnik, Marek 'Marco' Chorvat, Marian 'Goldmaster' Vybostok https://atari8.dev/
    Developer: Final Assault

    Krzysztof "Vega" G||ra 12/24 Poland
    https://vega.atari.pl/
    Developer: Bubble Bobble, Mikie, Cyborg Warriors, Bomb Jack, Yie Ar Kung-Fu

    Bostjan Gorisek (Firemover, Firemover/Diomedes, Gury) 12/21 Slovenia
    http://gury.atari8.info/ https://github.com/Gury8 http://zxgury.epizy.com/a8/effectus/
    Developer: PC software: Mad Studio 1.2.4, Effectus 0.5.3, AtGr3.
    Atari native games and tools: Slovenian Quiz, Stupid Kangaroo, Wolves,
    Slo-Quiz 4K, Don't Angry 5K, Air Threat, Sprite Engine, Title Studio GR15, Parachute

    Mark Grebe 10/25
    See also: Atari800 Emulator Developers
    USA
    https://www.atarimac.com/ or https://github.com/atarimacosx
    Developer: Atari800MacX 6.1.0 (10-19-2025; version of Atari800 emulator
    for Mac OS X), Sio2OSX 2.1.2 (5-25-2020; variation of APE or SIO2PC for
    Mac OS X)

    -=GRH=- (GRHOnline) 11/24 https://github.com/GRHOnline
    Developer: Mono8bitmap - convert font data for Atari 8 bit (probably
    others too) - raw data, monochrome bitmap and assembler code

    Christian Groessler 2/21
    See Also: Atari800 Emulator Developers
    Germany
    http://www.groessler.org/a800dc/
    Developer: Atari800DC 0.78 (Atari800 emulator for SEGA Dreamcast)

    Grumpy Bob's Emporium (Raymond Voegele) 11/24 2915 N. Center St.
    Maryville IL 62062
    USA
    618-288-3491
    https://grumpybobsonline.com/collections/atari-400-800-xl-xe
    Vendor: used commercial software

    ------------------------------

    Subject: H

    Hafner Enterprises 1/19 http://2600-daptor.com/
    Developer: 2600-daptor, 2600-daptor II, Vision-daptor, 2600-daptor D9
    (use standard 8-bit Atari joystick/driving/paddle controllers on modern
    devices via USB)

    Haplo 3/25 Sydney
    Australia
    https://h4plo.itch.io/
    Developer: Shift (game)

    Steve Hales 6/20 Palo Alto CA
    USA
    http://www.igorlabs.com/classic-games/
    Developer: Slime, Fort Apocalypse, Dimension X

    Jonathan Halliday (flashjazzcat, RIF Software, Atari8 Software) 6/21
    145 Wenlock Road
    South Shields
    Tyne & Wear
    NE34 9AL
    United Kingdom
    http://www.atari8.co.uk/
    Developer: Ultimate 1MB BIOS and SIDE Loader, Incognito BIOS and
    SIDE Loader, 1088XEL/1088XLD Ultimate 1MB Firmware, XEX Loader for SIDE and SIDE2, XEX Loader and U1MB firmware for SIDE3, SIDE Loader and SpartaDOS X for the AVG Cart. SIDE/SIDE2 Soft Drivers For SpartaDOS X; SIDE3 Soft Driver For SpartaDOS X; MyIDE/Flash, Internal MyIDE and MyIDE 2 Soft Drivers For
    SpartaDOS X; APT Hard Disk Toolkit. The Last Word (80-Column A8 Word Processor), GUI Project, UFlash (Ultimate / Incognito ROM editor and flasher).
    Repair Shop.

    Hasbro, Inc. 2/15 1027 Newport Ave
    Pawtucket RI 02861-2539
    USA
    tel: 401-431-TOYS (8697) http://www.hasbro.com/corporate/en_US/toy-game-instructions.cfm
    Developer: instructions for Parker Brothers Super Cobra (search: "atari")

    Frank G. Heuser 12/24 Germany
    http://www.asselheim.de/
    Developer: SIO-PC Interface (APE / SIO2PC compatible), 1050-PC Interface (ProSystem/SIO2PC compatible), BIOS Umschalter (OS Switch),
    PC Tastatur Interface (PC Keyboard Interface), MIDI Schnittstellen
    (MIDI Interfaces), Sprachbox (Voice board with phoneme-chip and software
    from Atari Magazin article), Zusatztasten F1-F4 (Additional Keys F1-F2,
    as on 1200XL), Monitorkabel universal (SCART - CHICH - KLINKEN),
    130XE RAMDISK 256kB (memory upgrade), other accessories

    HiassofT 10/22
    c/o Matthias Reichl
    Wolfgangerstr. 26
    A-4820 Bad Ischl
    Austria
    https://www.horus.com/~hias/atari/
    Developer: AtariSIO driver and utilities for Linux V0.30-221009 (package contains: a Linux kernel driver; atariserver disk drive emulator (similar to SIO2PC or APE); atarixfer - read/write ATR images to an Atari disk drive connected by a 1050-2-PC or ProSystem cable; adir, dir2atr, ataricom - tools for Atari disk images and executables), Atari Tools for Win32 V0.30-221009 (dir2atr, adir, and ataricom from AtariSIO package), AtariDsk V1.2 (read,
    write and format DD 180K Atari disks on the PC), WriteAtr V0.92b (2003-07-24; write double density ATR-images to Atari floppy disks on your PC; also create ATR-images of double density floppy disks), MyPicoDos V4.06 (2017-09-23; small "gamedos" that can read COM, EXE, BIN and BAS files; supports MYDOS subdirectories and large disks), MyIDE Tool V0.30 (2007-11-11; direct access
    to harddrives in MyIDE format on your Linux/Windows PC), Highspeed SIO patch for XL/XE OS and MyIDE OS V1.30 (2010-11-25; extends the SIO routine of the OS to support: Ultra speed ( Happy 1050, Speedy, SIO2PC, ...) up to 126kbit/sec, 1050 Turbo, XF551, and Warp speed (Happy 810) ), 512k SRAM extension for Atari XL/XE V1.3 (2010-12-14), Turbo Freezer XL/XE 2011, Turbo Freezer XL/XE 2005, SDrive Highspeed SIO firmware 2009-07-05 (for the SDrive by Raster / C.P.U.), The!Cart CPLD logic 2014-09-09, The!Cart flasher and cartmenu software 2017- 09-24, Mega Speedy CPLD logic and software V1.10 (20170923),
    DiskCart V1.30 (2020-10-04)

    Peter Hinz 6/25 Cape Town
    South Africa
    https://github.com/CycoPH
    Developer: ATasm Altirra Bridge (write 6502, assemble, run and debug all in one), ATasm v1.30 (mostly Mac/65 compatible 6502 cross-assembler, based on version 1.x by Mark Schmelzenbach), piskel-atariExport (add export to Atari Player Missile format to Piskel sprite editor), rmt2atasm (Relocatable RMT player for atasm assembler)

    Rob Hogan (mwenge) 12/24 https://github.com/mwenge
    Developer: Llamasoft Source Code Project, including
    Attack of the Mutant Camels (1983) for Atari

    Frederik Holst (Phobotron) (Freetz) (fredlcore) 11/24 Germany
    https://github.com/fredlcore
    http://www.phobotron.de/
    Developer: MidiJoy project, MidiJoy 2 project, AtariDuino project, AtariWozMon (port of Steve Wozniak's WozMon for the Apple I), 1K-RainBox
    (game)

    Tom Hudson 10/15
    USA
    http://analog.klanky.com/8bit.htm
    Developer: Planetary Defense 2012

    Stephen James Hurd (deuce) 9/16 http://sourceforge.net/projects/syncterm/ and http://www.syncterm.net/
    Developer: SyncTERM 1.0. A cross-platform ANSI-BBS terminal designed to connect to remote BBSs via telnet, rlogin, or SSH.
    Full Atari 8-bit ATASCII support.

    Jakub Husak 9/20
    See also: Adam Is Me developers
    See also: ASAP - Another Slight Atari Player developers
    See also: ASMA - Atari SAP Music Archive developers
    ul Asfaltowa 8a
    05-092 Lomianki
    Poland
    https://stepstick.pl/
    Developer: USBJoy - adapter for retro joysticks, Atari XL / XE 5V / 2A Huawei impulse power supply, Atari 2600 1.4A power supply, Atari 1200XL switching power supply, Switch-mode power supply for the Atari 1010 tape recorder, Atari CA-2001 / LDW Super 2000 repair kit

    ------------------------------

    Subject: I

    iCode Software 8/21 https://www.ebay.com/str/icodesoftware
    Developer: Extension Cable for Atari / Commodore /Sega Joystick 6FT 9pin DB9 male to female; iCode Atari Joystick, Paddle, Driving to USB Adapter 2 ports 2600 7800 XE/XL/ST (plain, customizable, or customizable with LCD display versions); USB Adapter for 4 Atari 2600 7800 8bit Joystick, Paddles, Driving (plain or LCD & Buttons versions); Bluetooth Wireless Atari Joystick and
    Paddle Adapter - 2 DB9 Ports;

    IEC ("Innovative Electronics & Computing") 7/16 6185 E 56th Ave
    Commerce City CO 80022-3959
    USA
    Phone: +1-303-288-5000
    (USA) 800-765-4432 Mon-Fri, 8:00AM-6:00PM MT
    Fax: +1-303-288-5099
    http://www.iec-usa.com/ http://www.connectworld.net/cgi-bin/iec/05MCOlderAtari.html
    Developer: Atari Color Monitor Cable 5', Atari Monochrome Monitor Cable 5', Atari Color Monitor Cable With 2 RCA Plugs 5', Atari Monitor Cable With 2 RCA Plugs 5', Atari Lefty Joystick Adapter, Atari IF850 and IF860 Parallel Cable 6', Atari IF850 and IF860 Modem Cable 6', Atari IF850 and IF860 to Serial Printer Cable 6'

    Sebastian Igielski (seban-slt / Seban/SLIGHT) 6/25
    See also: SIC! crew
    Poland
    https://slight.pl/
    https://github.com/seban-slt
    Developer: atari8_6502_code_examples, Weekend 3+ Cartridge software, TCX-Tools, Atari8BitBot - code examples, Code3 Tape Loader,
    Simple Cart Dumper, uno_cart_dumper, Anty *AJEK Copy v1.5, T2K Tools

    IK+ C64 to Atari 8-bit Conversion Project 6/20 (Pawel Rosowski, Tomasz Mazur)
    Poland
    http://uce.pl/ikplus/
    Developer: IK+ Build 0284 (October 2010)

    Inufuto 3/25 Japan
    http://inufuto.web.fc2.com/8bit/
    Developer: Mazy, Neuras, Ruptus, Battlot, CAVIT, Impetus, Bootskell, AERIAL, LIFT, ASCEND, Cacorm, GUNTUS, CRACKY, HOPMAN, Yewdow, AntiAir, OSOTOS, Mieyen

    Ingo (tuxie) 1/18 Germany
    http://www.mega-hz.de/Angebote/SIO2IDE33/SIO2IDE33.html
    Vendor: SIO2IDE 3.3

    ------------------------------

    Subject: J

    Jeff Jackson 5/15
    USA
    http://www.jeff-jackson.com
    Developer: JLS BASIC - Jackson Languange System BASIC compiler

    Ludovic Jacomme (Zx-81) 10/21 France
    http://zx81.zx81.free.fr/
    Developer: PSPAtari v1.1.3 (2/12/2008; port of Atari800 emulator for Sony PlayStation Portable), Wiz-ATARI v1.1.2 (9/29/2009; port of PSPAtari for GP2X Wiz), GP2X-Atari v.1.1.0 (10/4/2009; port of PSPAtari for GP2X), Dingux-Atari v1.1.0 (10/30/2009; port of PSPAtari for Dingoo/Dingux), Pandora-Atari v1.1.0 (8/4/2010; port of Wiz-Atari for Pandora), Caanoo-Atari v1.1.0 (12/29/2010; port of Atari800 for Caanoo), JXD-a5200 v1.1.0 (11/27/2013; port of Pandora- Atari for JXD)

    Holger Janz 2/25 Germany
    https://github.com/HolgerJanz
    Developer: RAMCART (Atari XL Ramdisk for The!Cart), RAMD14K (Atari XL Ramdisk using RAM hidden by OS ROM), RAMDISKU (Ramdisk Ultimate for
    SpartaDOS 3), RainbowFamily (demo), FujiNetToolsSpartaDOS (native SpartaDOS Tools for FujiNet), FastAssemblerAtariXLOS (FastAssembler compatible sources
    of Atari XL OS), Fast Assembler 1.8 (30-11-2023) (assembler for SpartaDOS X), VARIUS (game), BW-DOS 1.5 (2025-01-23) (SpartaDOS 3 compatible DOS for all Atari 8bit with at least 16k),

    Michael Jaskula (mike) 4/19 Germany
    http://www.mikej.de/
    Developer: Piekielko (Inferno), Tank VS Tank, Snowball, Wasteland

    JAY Software (Jan Krupka and Stanislav Opichal) 2/15 Czech Republic
    http://jaysoft.atari.org/ or http://phoenix.inf.upol.cz/~opichals/jay/
    Developer: Turbobasic DOS, Universal Hcopy, Title Maker, Disc Monitor for all densities (not complete version), Minesweeper for 8bit atari (not
    complete version)

    Shawn Jefferson 9/17 Victoria, BC
    Canada
    http://www.jeffersonsauctioneering.com/atari/
    Developer: MyIDE Config 4.0, MyIDE Image Manager 4.1,
    MyIDE Image Batcher 1.0

    ------------------------------

    Subject: K

    Piotr D. Kaczorowski 3/23 Poland
    https://www.ebay.pl/usr/petertheatarian http://ftp.pigwa.net/stuff/projects/SAVO/
    Developer: Saturn Atari Video Output (SAVO) two versions: SAVO XE (65XE / 800XE / 130XE) or SAVO XL (600XL / 800XL).

    Cameron Kaiser 2/20 http://www.floodgap.com/retrotech/xa/
    Developer: xa (xa65) Version 2.3.10 (9 November 2019) (two-pass portable cross-assembler. It understands mnemonics and generates code for NMOS 6502s (such as 6502A, 6504, 6507, 6510, 7501, 8500, 8501, 8502 ...), CMOS 6502s (65C02 and Rockwell R65C02) and the 65816),
    dxa Version 0.1.4 (31 January 2019) (disassembler companion to xa)

    Pawel Kalinowski 6/22 Poland
    https://github.com/pkali
    Developer: no_internet, Turrican-II, Chip-8, Headache (SpartaDOS X game), Avery_Breakout, NO-SIGNAL, omc65 - Our Macro Crossassembler for 6502, feudal-economy, poker8-bit, Scorch (Scorched Earth clone)

    Akop Karapetyan 6/20 http://psp.akop.org/atari800
    Developer: Atari800 PSP version 2.1.0.1 (August 11, 2009; port of the Atari800 emulator version 2.1.0 to the Sony PlayStation Portable platform)

    Grzegorz "GienekP" Karpiel 12/24 Poland
    https://dcart.pl/
    https://www.pcbway.com/project/member/?bmbno=13349CB7-20E0-47
    Developer: DCart ($D5XX) cartridge project, GCart512kB cartridge project, SXEGS22V10 cartridge project

    Norbert Kehrer (Norbert's Emulators) 2/25 Germany
    https://norbertkehrer.github.io/
    Developer: Atari PDP-8 Emulator, Atari 800XL Asteroids Emulator,
    Galaga for the Atari 800XL, HP Calculator Emulators for the Atari 800XL,
    Sprint 1 for the Atari 800XL, Radar Rat Race for the Atari 800XL,
    Atari 800XL Centipede Emulator

    Nick Kennedy 9/17
    300 S Vancouver Ave
    Russellville AR 72801-5632
    USA
    http://pages.suddenlink.net/wa5bdu/
    Developer: SIO2PC 4.21 (Atari 8-bit to PC Interface) and 1050-2-PC (Atari Drive to PC Interface): software, hardware plans, cables, parts (not for Windows-XP), HAM Terminal for Atari, The WA5BDU Computer Keyer 1.5
    (morse code keyer program)

    Mika Keranen (Misfit) 4/20 https://misfit.itch.io/
    https://itch.io/profile/misfit
    http://www.riimukivi.net/
    Developer: Rodman

    Konrad M. Kokoszkiewicz (KMK / Draco / drac030) 6/25
    See also: DLT Ltd.
    See also: SIC! crew
    Poland
    http://drac030.krap.pl/ or http://drac030.atari8.info
    Developer: MultiBASIC v.0.37 (updated 9 IX 2015), CP/Emu (CP/M 2.2 emulator) 0.6 (3 V 2019), U-BASIC v.1.8.5 (7 Nov. 2020), SysInfo v.2.26 (18 III 2021), IDE Plus BIOS 2.0 (the BIOS update file + addons) (rev. 2 XI 2023), numerous patches to programs written by others, for the Antonia 4 MB board: Configuration and flashing tool v.1.7, Rapidus Firmware, 3D Starfield effect,
    A small demo: rotozoomer.pl, TurboIDE+, ELSA assembler v.1.02 (30 V 2025), Let's Emu! (ZX Spectrum emulator) v.1.0.2 (23 XII 2024),
    SIO2BSD v.1.24 (3 I 2025), RW-Test (13 IV 2025), EYE (18 VI 2023),
    RW-CRC (7 II 2023), Landscape, DEMON, 65C816 XL OS v.2.47 (22 IV 2025)

    Komires (Miroslaw Koziol, Slawomir Koziol) 9/17 Poland
    http://www.komires.com/
    Developer: EMUAPC DEMO 0.92 (Atari 8-bit emulator for DOS and Win32),
    Sword and Magic: Power of the magic (game)

    Tomasz Krasuski (kr0tki) 12/24
    See also: Atari800 Emulator Developers
    Poland
    https://a8cas.sourceforge.net/
    Developer: A8CAS project (software for reading/writing Atari 8-bit cassettes) consisting of: liba8cas 1.5.0 (2015-05-27), a8cas-tools 1.3.1 (2013-04-20), atari800-a8cas 1.2.2 (2015-05-27)

    Krishna Software (Krishnasoft) 7/16
    19 Ventnor Dr
    Edison NJ 08820-2735
    USA
    http://www.krishnasoft.com/sps.htm
    Developer: MPDOS (Multi-platform Distributive Operating System) Standard (1.00; software and cable for interfacing your PC with the Atari; simulate joysticks, keyboards, paddles, mice), MPDOS Professional for Atari upgrade (adds disk drive, cassette player, and printer simulation), MPDOS Super Professional (MPDOS SuperPro; test/debug Atari programs), Sound Processing Software (SPS) 1.00 (WAV editor for use with MPDOS)

    Miro Kropacek (MiKRO) 2/15
    See also: Atari800 Emulator Developers
    Slovakia
    http://mikro.atari.org/ or http://mikro.naprvyraz.sk/
    Developer: Sprite Editor 1.2 for Atari XE/XL (Simple tool for sprite editing), ATR to XFD 1.0 for TOS compatible platform (Converts standard ATR
    in double density to XFD format)

    KryoFlux Preservation Technology Group (KFPTG) 6/22 (Istvan Fabian, Christian Bartsch, Kieron Wilkinson, Rozalia Kovacs)
    80 Allington Way
    Maidstone
    ME16 0HN
    United Kingdom
    https://www.kryoflux.com/
    Developer: KryoFlux -- USB-based floppy disk drive controller designed for low-level disk reads suitable for software preservation -- output formats include raw stream protocol files and Atari XFD disk image format

    Ireneusz Kuczek 7/14 Poland
    http://ixkuczek.republika.pl/ixkuczek.html
    Developer: Recorder MIDI ver 1.1, MIDI-Play v1.3

    Rudla Kudla 9/20 Czech Republic
    http://atalan.kutululu.org/
    Developer: Atalan (high level programming language for system programming for development on 8bit computers include: con6502, Atari, NES, C64,
    Oric Atmos, 6502 Simulator, ZX Spectrum, conZ80)

    Jerzy Kut (Mono/Tristesse) 2/25
    See also: ASAP - Another Slight Atari Player developers
    Poland
    http://mono.i-demo.pl/
    Developer: Graph8 (graphic program), SGE (graphic program), XL Digital (music collection, SS play for SDX v.0.2 (plays SoftSynth music modules), NEO Hardware Player for SDX v.0.3 (plays NEO Tracker music modules using Candle/Sin's SoundBoard), PSG Hardware Player for SDX v.0.7 (plays ZX Spectrum PSG music dumps using Evie or SONari soundcard), RAD Hardware Player ver.0.3 (plays Reality ADLib Tracker .RAD music modules using YAMari or Melody soundcards), SID Hardware Player for SDX ver.0.15, CMC play for SDX v.0.7 (plays CMC music modules), TMC play for SDX v.0.6 (plays TMC music modules), RMT Player ver.0.2 (plays RMT music modules), MPT play for SDX v.0.6 (plays
    MPT music modules), FC Player ver.0.1 (plays FC music modules), ST Player ver.0.3 (plays MUZ/ST7/ST8/ST music modules), BMC play for SDX v.0.1 (plays Black Magic Composers music modules), BMPVIEW.COM (bitmap .BMP images
    viewer), GHGVIEW.COM (Gephard Hi-res Graphics images viewer), SGEVIEW.COM (Semi-Graphics Editor images viewer), CMC Sample Maker, DrumMachine,
    SimDrive, schrdraw, basx, @: (device handler for DracOS). For Linux PC:
    Atari8 File System tools, Graph8 tools

    ------------------------------

    Subject: L

    Lantronix, Inc. 12/24
    48 Discovery Ste 250
    Irvine CA 92618-7731
    USA
    Tel: +1 (800) 526-8766
    Tel: +1 (949) 453-3990
    Fax: +1 (949) 453-3995
    https://www.lantronix.com/
    Developer: Serial-to-Ethernet Device Servers that may be used to connect an 8-bit Atari computer (or any device with a serial port) directly to a
    broadband network, including: UDS1100, EDS1100

    LaResistance (pr0be, powrooz, born) 5/16 Poland
    http://laresistance.pigwa.net/
    Developer: edict (intro), Silly Venture 2k4 Invitation, polymatrix (demo), the shrine (demo)

    John Lawson 7/15 United Kingson
    http://ultimon.com/
    Developer: UltiMon (6502 monitor/debugger for XL/XE)

    Paul Lay 6/15 United Kingdom
    http://playsoft.co.uk/
    Developer: Atari Player Editor 0.6 (Flash application for designing
    animated Atari player graphics in mutlicolour mode)

    JP LeBreton 12/20 http://vectorpoem.com/playscii/
    Developer: Playscii (ASCII art/animation/game creation tool for Windows, Linux, and macOS - includes ATASCII importer and exporter)

    Avery Lee (phaeron) 12/24
    Bay Area, CA
    USA
    https://www.virtualdub.org/altirra.html atariage.com/forums/topic/231835-a8rawconv-a-new-raw-disk-conversion-utility/
    Developer: Altirra 4.30 [December 22, 2024] for Windows (8-bit Atari computer emulator), a8rawconv 0.95 [October 21, 2023] for Windows - with sources for also running on Linux or macOS (convert between raw and decoded Atari disk images, supporting KryoFlux or SuperCard Pro imaging hardware)

    Sascha Leidel 7/16
    Am Puettkamp 26a
    40629 Duesseldorf
    Germany
    http://art-transfair.sytes.net/sdlready/
    Publisher: Ready Magazin, issues #1-5 published 2005-2009

    Bertrand Le Roy 6/25 Decent Consulting
    2127 170th Ave NE
    Bellevue WA 98008-2647
    https://bertrandleroy.net/
    https://github.com/bleroy
    Developer: Mechanical keyboard replacements for all 8-bit Atari computers

    Magnus Lind 11/20 https://bitbucket.org/magli143/exomizer
    Developer: Exomizer v3.0.2 (2019-01-05) (can produce stand-alone self- decrunching files for Atari 400/800 XL/XE)

    Llamasoft (Jeff Minter) 9/20 United Kingdom
    http://www.minotaurproject.co.uk/lc-8bit.php#1
    Developer: Attack of the Mutant Camels, Gridrunner, Hover Bovver

    Lotharek FHU Przemyslaw Krawczyk 11/23
    2C /18 Oswiecimska
    Swierklaniec 42-622
    Poland
    https://lotharek.pl/
    Vendor: Memeory cards, vintage chips, cables/adapters, audio/video devices, power supplies/cables
    Developer: upgrades: VBXL XL VERSION, VBXE XE VERSION, ULTIMATE 1MB upgrade, Ultimate 1MB Upgrade FJC FIRMWARE, INCOGNITO Atari 800, INCOGNITO Atari 800
    FJC FIRMWARE, P COVOX v2, 1050E FLOPPY DRIVE TURBO. AKI PS2 KEYOBARD
    interface, SRAM 64Kb v3, FREDDY MODULE v2, USB keyboard interface,
    FreddieCPLD, SpectreAV, O2 Fixer. mass storage devices: SIDE 3.1 cartridge FJC FIRMWARE, SIDE2 cartridge, SIDE2 cartridge FJC FIRMWARE, SIO2SD REVISED 2k20, SIO2SD SET device cable, SIO2SD SET device cable soft, SIO2SD GREEN LCD,
    SIO2SD WHITE LCD, SIO2SD BLACK LCD, SIO2SD RED LCD, Sio2PC USB, 10502PC Sio2PC USB REV2, SIO2SD BIGGUS DICKUS, SIO2SD BIGGUS DICKUS device and cable, SIO2SD BIGGUS DICKUS device cable and soft, SIO2SD CASED 2.0 XL, SIO2SD CASED 2.0 XE, SIO2SD CASED 2.0 XE RED LCD, SIO2SD CASED 2.0 XE WHITE LCD, SIO2SD CASED 2.0
    XE GREEN LCD, SIO2SD CASED 2.0 XE BLACK LCD, SIO2SD CASED 2.0 XE DEEP BLUE
    LCD, SIO2SD CASED 2.0 XL RED LCD, SIO2SD CASED 2.0 XL WHITE LCD, SIO2SD CASED 2.0 XL BLACK LCD, SIO2SD CASED 2.0 XL GREEN LCD, SIO2SD CASED 2.0 XL DEEP
    BLUE, FUJINET PROF, FUJINET PROF + SIO CABLE, SDRIVE MINI. accessories: SIO PLUG set BLACK, SIO PLUG set TRANSPARENT, SIO SPLITTER, SIO CABLE 0.5 (5signals), SIO-SIO CABLE 2m, VIDEO breakboard, VIDEO ADAPTER DIN5, PWR3 ATARI 8bit HQ power supply, AVR CART Splitter, SIO-SIO CABLE 1m, SIO2MIDI - JIL_Sammer, Medusa rev. B SCART EU

    ------------------------------

    Subject: M

    MadTeam 9/25 (active: Tebe, Pajero, Rocky. inactive: Psychol, KAMM, Profi, Rage)
    Poland
    https://madteam.atari8.info/
    https://g2f.atari8.info/
    https://mads.atari8.info/
    Developer: demos: Olas Demo, Rocky Demo, KAMMSoft MSX, Happy Demo, MadTeam Intro, The Muppet Movie Show, IGOR, FAJER Intro, SINTRO, Running Cow, Orneta RealTime 1996-1997, LAJF, Journey, Vasco, X, Splash, TIT, ANI, SAMAR Graphics Collection, Kaszel #1, Syzygy #8, Dupland Slideshow, Happy Easter 2007,
    Martial Arts vs Modern Arts, Ilusia, Easter Twist '2013, PasIntro, Atari Control Picture, Snowman, Bad Apple SV2K18, NYD2019 Intro, Gonzo Last Ninja Slideshow, Monster Mash, Dotty Beats.
    games: Droga Do Duplandu, Mental Age, Dyna Blaster, Getris, Nibbly, Mario
    Bros 2007, Pang Level Editor, Pang, Bubble Shooter v1.06, Block Attack. utilities (some for 8-bit Atari, some for PC): Pro Tracker 1.5, Intertia
    Player 3.7, Intertia Player 4.5, Audio Master 1.0, Player, Mathaf****r Editor 3.1, Mathaf****r Reader 1.1, Turbo 2000F, Visage 2.7, XLPaint Max 2.5-2.6, Rip2Max, 2xMPT 8Channel Stereo Project 1.0, Atari Commander 1.81, Via Copy
    4.4, SAMAR Hi-res Interlace with Map of Colours (SHIMC), LZW Pack 4.2, Squash 1.5, Total Commander ATR Plugin v1.9, ATR Command Line v1.0, DisAsembler 6502 v2.2, Deflater 7z v2.6, XRLoader v1.2, TIP Animator v2.3, Check XEX, Build
    1.1, Super Packer 6.9, Atari Interlace Studio 1.4.7, Atari Graphics Studio 3.5.8, RLE Eecoder 1.2, RMT2SNG, Short MOD, MOD4ATR, MOD Player 6502 / 65816, Fox Mode 12++ / 0++, Qmeg 4.04 disassembly.
    G2F & related (for PC): Atari Graphics Studio v3.5.7, Graph2Font v4.0.3.1 (Full/Lite), G2F Extractor v1.5, BMP2MCH v2.3, BMP2MIC v1.6, G2F PM Swapper, G2F Creator v1.4 / v2.3, Rasta Converter (RC), RC2MCH, Atari Rasta Juice
    v1.7, Piccolo (mode4 clash fixer), ham_convert, ham2mic.
    PC utilities: MADS 2.1.6-2.1.7 (Mad-Assembler: multi-pass crossassembler designed for 6502 and 65816 processors), Mad Pascal 1.7.4

    Sylvain Maltais (gladir) 11/24 Laval, Quebec
    Canada
    https://github.com/gladir
    Developer: ATARITOOLS suite of commands written in Pascal (Turbo Pascal
    or Free Pascal) for working with Atari files: ASC2ATARI.PAS, ASM6502.PAS, ATARI2ASC.PAS, DIS6502.PAS, RUN6502.PAS

    Mark/Space, Inc. 6/24 1875 S Bascom Ave Ste 2400
    Campbell CA 95008-2356
    https://www.markspace.com/
    Developer: Argon app - emulator of many platforms including the 8-bit Atari, for Android Phone, Tablet, TV, and Chromebook, or for Amazon Fire Tablets,
    Fire TV, or Fire Stick

    Adrian Matoga (epi/Tristesse) 2/22
    See also: ASAP - Another Slight Atari Player developers
    See also: RECOIL (Retro Computer Image Library) developers
    Gdansk, Poland
    https://epi.github.io/ https://github.com/epi
    Developer: enotracker (POKEY chipmusic editor), sapemu (native player for Slight Atari Player music files), TipTools (manipulating Taquart Interlace Picture images, including TipConv for conversion to TIP and HIP, and TipView for displaying images in various formats), xebin (Atari XL/XE Binary File Utility), xedisk (Atari XL/XE Disk Image Utility)

    MatoSimi (Martin Simecek) 6/25 Slovakia
    http://matosimi.atari.org/ or http://matosimi.websupport.sk/atari/
    or https://github.com/matosimi
    Developer: utilities: CMC MSX Extractor, T2K decoder v.021, Atari MapMaker v1.0, Atari FontMaker V1.6.17.3, MDCMC - Mono Double Chaos Music Composer, SwSprEd - Software Sprite Editor v1.0.0. demos: CMC Musix 1, Plasma4, Music
    From Zeus Intro, Summertime Demo, Citoplazma, Mindf*ck, Pow(quickhack,2),
    Back To The Cyberspace, Fred (Forever 2012 realtime compo entry). games:
    Laser Blaster, Monex v1.1, Light Up!, Belljumper 1k, Fireball 1k, h3x0r 1k, Titus The Fox, h3x0r deluxe, Roxblox, Ridiculous Reality, Dynakillers
    Unchained -update 1, Xirius Defect v1.1, Nemezyro, Xirius Defect XXL - x1, 3plex, Quarrion, Skyscraper, Soko Maniac, Reverse Master, Master Mind 1, Tetris, Minesweeper, Gardnerova hra, Citron 3kg, Black Bouncy Blob, Castle Defender, Lasermania 2020, Detonationix, Fallen Kingdom, Binary Parasite.

    Rob McMullen 1/16 http://playermissile.com/omnivore/
    Developer: Omnivore 0.8.0 - cross-platform app for modern hardware (running linux, OS X and Windows) to work with executables or disk images of Atari
    8-bit machines

    MESS (Multi Emulator Super System) 7/16 http://www.mess.org/ http://mamedev.org/
    Developer: multi-platform emulator: as of version 0.163 MESS supported 1,081 unique systems with 2,199 total system variations. In 2015 MESS began to be merged into MAME (Multiple Arcade Machine Emulator).

    MicroUSB Project 3/21 (Marc Brings, Thomas Grasel, Harry Reminder, Guus Assmann, Carsten Strotmann) Germany
    http://microusb.org/ or http://microusb.sf.net or https://atariwiki.org/wiki/Wiki.jsp?page=MicroUSB https://sourceforge.net/projects/microusb/
    Developer: Project USB Cartridge (USB Cartridge for Atari XL/XE with two USB Slots). Software for the Atarimax/ABBUC USB Cartridge: Base HID Driver,
    USB Device Driver Development Kit Disk, Atari USB Enduser Driver Disk,
    Keyboard Driver, Digital Joypad Driver, Logitech Rumblepad 2 USB Driver,
    Analog Joystick Driver, Thrustmaster Steering Wheel Driver,
    Logitech GP Steering Wheel Driver, Logitech VP Steering Wheel Driver,
    Speedlink Competition Pro USB

    Mark Miller 11/24 Boulder CO
    USA
    https://github.com/marktmiller
    Developer: Port of Turbo Basic math package for APX Forth/Fig-Forth 1.1, Selections from the Best of Creative Computing Vol. 1 1978, Atari version of "Graphics without input", Parr VM, Basic Status bar, Soundlab

    MiscRetro 8/23 Europe
    https://miscretro.com/
    Vendor: AVGCART, SUBART, SIO cable for AVGCART / SUBCART,
    ECI cable for AVGCART / SUBCART, PBI cable for AVGCART / SUBCART,
    DAC audio cable for SUBCART

    MMSoft (Marek Mikolajewski) 9/17 Gdansk
    Poland
    http://www.atariarea.krap.pl/sio2ide/
    Developer: SIO2IDE project, versions 1.7, 3.3, 3.3a, 4.4, 4.4a
    (An interface that allows you to attach any IDE Disk Drive to your 8-bit
    Atari computer. Ver. 4 includes a USB port.), AVRprg

    Wojciech Mostowski (woj76) 9/25 Sweden
    https://github.com/woj76
    Developer: A8PicoSIO project (an Atari 8-bit SIO device implementation for a Raspberry Pi Pico)

    Motelsoft 9/17 Germany
    http://www.motelsoft.de/
    Developer: Caveman II: Caves of Osum, Hanse XL

    Joe Mozzwald 7/24
    USA
    https://mozzwald.com/
    Vendor: FujiNet for Atari 8-Bit, A8PicoCart for Atari 8-Bit
    Developer: Atari 8 Bit USB-C Power Adapter,
    SIO Pass Through Breakout Board v2.2

    msc (Stefan Birmanns and Matthias Belitz) 2/22 Germany
    https://www.birmanns.de/atari/
    https://www.mathyvannisselroy.nl/aspi.htm
    Developer: msc-IDE Controller (IDE interface for PBI/ECI -- sold out),
    IDE software utilities: INSTALL.COM V1.03, SETUP.COM V1.13, FDISK.COM V1.10, MAP.COM V1.10, HDINST.COM V1.00, LMAP.OBJ V1.03, CDPLAY.COM V1.0,
    CDREAD.COM V1.4, IMG2DISK.COM V1.00. Black Box ATASPI V0.40 ("Atari
    (Advanced) SCSI Programming Interface"). ATASPI software utilities:
    ATASPI CDPLAY V0.20 (audio CD player), ATASPI MON V0.12 (SCSI monitor)

    Stefan C. Mueller 2/20 Germany
    http://www.electromaniac.de/
    Developer: Electro Maniac!

    MyAtari 7/16
    See: Matthew Bacon

    ------------------------------

    Subject: N

    Kostas Nakos 11/20
    See also: ASAP - Another Slight Atari Player developers
    See also: Atari800 Emulator Developers
    Greece
    http://users.uoa.gr/~knakos/atari800/ or http://pocketatari.atari.org/ or https://market.android.com/developer?pub=Kostas+Nakos or http://users.uoa.gr/~knakos/atari800/android/ or http://pocketatari.atari.org/android
    Developer: PocketAtari 2.0.3 (Jul 21 2007--port of Atari800 emulator for WinCE), Colleen 3.0 (September 22, 2014--port of Atari800 emulator for
    Android)

    New Breed Software (Bill Kendrick) 7/25
    USA
    http://newbreedsoftware.com/atari/
    Developer: games: Gem Drop, Go Go Garbage Truck, Invenies Verba, Sludge. utilities: Colorizer, File Selector, MuxChat, SIFE - Super-IRG Font Editor. demos collection. relics: My first program, Brick Blast, Balloon Pop!, Water Balloons, Crown Quest, Train Station, Math Attack, Simon Says, Snakeline, Bombsplash, Bubble Sort, Donuts, Wordster, Graveyard, Asteroid Belt, Team
    Sprit Soccer, Superflex, Slot Machine, Junge, The Countries of Europe Test,
    Hit It, Hopper, Light Cycles, Morse Code, Sharp Shooter, Weight Lifting,
    Piano, Othello, Plane, Snake, Skeet Shoot, Ice Racing, Sky Diver, Bounceback, Dropper, Elevator, Zeus, Checkers, Chicken, Connect 4, Axis, Ice Hockey, Skiing, Platforms, Fireworks, Lander, Tanks, Usurp, Geometric Drawing
    Language, Red, 21 Blackjack, Jigsaw, Garbage, Jackpot, Isolation, Boom!,
    Gates, Tetbricks, Lantern, Cooltris, Boing!, Minarets and Memories, Rodent Revenge, Alarm Clock Specials, Sludge, Puzzle, Porsche, Inference Engine,
    Rally Race, Large Font. misc Development: Firefighter, FujiNet Astronomy Picture of the Day (APOD) Viewer, FujiNet International Space Station (ISS) Tracker, "Hi, World", MultiJoy CC65 Library, Poker Solitaire cc65. games for the "BASIC 10-liners" competitions: Paddleship, Shmup, Planets, Slice, Minijong, Minidash, Maze, Bagh Chal, Isol, MiniBreak, Ringtoss, anteat, tenpest, piecht10, P1an0 (piano), Build10, Dots & Boxes, Missile10, Amen [BREAK]

    New Generation 8/21 Solo (Jaroslaw Padula), Laoo (Waldemar Pawlaszek),
    Roland (Remigiusz Zukowski), Miker (Michal Szpilowski),
    Tiger (Robert Smolinski)
    http://timepilot.atari.pl/
    Poland
    Developer: Time Pilot

    Nelson Nieves 4/16
    USA
    http://www.celebritybase.net/atari8/
    Developer: SpartaDOS 3 and X utilities: DelTree, DualTest, FATR, FTD, Tree, TS, TSplit, UnDelete, WipeDisk, xErase, xType

    Mathy van Nisselroy 2/22 Netherlands
    https://www.mathyvannisselroy.nl/aspi.htm
    Developer: ATASPI CD Audio Player (CDAP) 1.47,
    ATASPI CD/DVD Data Reader (DATA) 0.69

    NKC Electronics 9/17 Fort Lauderdale FL
    USA
    http://www.vintagecomputercables.com/
    http://stores.ebay.com/NKCElectronics
    Developer: Monitor Cable (mono and stereo versions), S-Video Monitor Cable

    NLE Computer Software Services (New Life Electronics CSS) (Bob Puff) 7/16 1350 Buffalo Rd Ste 2
    Rochester NY 14624-1829
    USA
    tel: (585) 512-8260
    Fax: (585) 247-7158
    http://www.nleaudio.com/css.shtml
    Developer: Black Box, Black Box with 64K Printer Buffer, Black Box Printer Cable, Black Box Modem Cable, Floppy board, Super-E Burner, Gang Super-E Burner, Multiplexer, Multiplexer Slave Unit, Quintopus, Quintopus with Switchable Ports, Super Archiver, Super Archiver II, Super Archiver --> SA II Upgrade, XF Single Drive Upgrade, XF Single Drive Upgrade (without Drive
    Mech), XF Dual Drive Upgrade, XL Dual Drive Upgrade (without Drive Mech),
    XF551 Enhancer, XF Update, Ultra Speed Plus OS, Hard Drive Pro Backup, Super Pill, Disk Cracker, Black Patch
    Shareware developer: SuperUnArc 2.4, SuperArc 2.4, Disk Communicator 3.2, MYDOS 4.50, BobTerm 1.21, MYDOS WHEREIS, MYDOS VTOC FIX

    Numen (demo) by TAQUART (tqa) 6/20 Piotr 'Fox' Fusik (coder), Marcin 'Eru' Zukowski (coder), Michal 'Dracon' Garbaciak (gfxman), Karolj 'Heaven' Nadj (designer/coder), Lukasz 'X-Ray' Sychowicz (msxman), Slawek 'Slaves' Sledz (gfxman/watcher), Daniel 'Dely' Kozminski (watcher/AA admin)
    See also: Piotr Fusik
    See also: Marcin Zukowski
    Poland
    http://numen.scene.pl/
    Developer: Numen (released at Lato Ludzikow 2002 in Opalenica, Poland)

    ------------------------------

    Subject: O

    Outland Quest Software 4/16
    USA
    http://www.outlandquestsoftware.com/
    Developer: Ally Attack, Black Sea Silver Fishing, Desert Crossfire,
    Dungeons of Oti, Empire, Golf Tees, Graphics 8 Painter, Hoss Racing,
    Korellian Conflict, Lite Show, Mad Libs, Motions Variable, Scattergories,
    Space Regent, Starbase Alpha, Standoff, Star Maze, Terror Fair,
    Three-D Force Tic-Tac-Toe, T.I.A.K. - Taking In Accurate Knowledge,
    Uncle Milton's Million Dollar Mystery Mansion

    ------------------------------

    Subject: P

    page6.org (Paul Rixon) 12/24 United Kingdom
    https://www.page6.org/
    Publisher: authorized digitized editions of Page 6 (1982-1989),
    Page 6 Atari User (1989), New Atari User (1989-1998) magazines

    Victor Parada (++vitoco) 1/20 Chile
    http://www.vitoco.cl/atari/
    https://www.vitoco.cl/atari/xex-filter/
    Developer: ATASCIIprinter V.0.4 (webpage); Toy'Swap (game); SITRE/S.I.T.R.E./"Sistema Inteligente Turbo con Recuperacion de Errores" version 2.01 (1989), version 3.02 (2015); 10-liners:
    Fleas!, Invaders, Where's my cheese?, Alpha vs Numeric: The Front Line,
    M*N Puzzle, Surround, Don't go!, Space Ranger, Minipede, Decipede, Sketch-PadDles, Oruga, Alby the albino bat, Uncle Simon, Magic Cups,
    Deep Canyon, La Peste, Defensor, Mini Bros, Pixelated Puzzle, License Plates, UFO Attack!, Bounce & Catch, XEX-Filter version 1.6 (2020-01-18)

    Eric Parent (Joyful Coder) 1/20
    USA
    http://x868k.com/apps/memopad/?os=win
    http://x868k.com/apps/memopad/?os=mac
    Developer: Memo Pad for Windows Release 26 (Mar 6, 2018), Memo Pad for
    Mac OS X Release 1 (Apr 5, 2016). (view and edit ASCII and ATASCII files)

    Ralf Patschke (PP's / STARSOFT Berlin) 2/15 Albrecht-Duerer-Strabe 23
    12623 Berlin
    Germany
    http://www.ppsberlin.de/
    Developer: STARSOFT 1st demo, STARSOFT 2nd demo, STARSOFT 3rd demo,
    multiple gfx 12 scrollers, TOP-Magazin Intro, gametro ABBUC Magazin 73,
    gfx 0 scrolls, proAF, nyd 2011 invitro, invitro NYD 2k13.
    g2f pictures: BOS 2002.
    Publisher: (disc magazines) ECS Info Mag: 1/1991, 2/1991, 3/1991.
    CCB Club Mag: 4/1991, 5/1991, 1/1992, 2/1992, 3/1992, 4/1992.
    STARSOFT Magazine: 1/1992, 2/1992, 3/1992, 2/1993.
    New Years Disc: NYD 2007, NYD 2008, NYD 2009, NYD 2010, NYD 2011, NYD 2012,
    NYD 2k13, NYD 2014, NYD 2015

    Tomasz Pecko (Pecusx) 9/25 Poland
    https://github.com/Pecusx
    Developer: Timberman (additional credits: Pawe+e Kalinowski (additional code), Adam Wachowski (graphics), Aleksander Martin (music and sound effects))

    Daniel Picken 11/24 https://github.com/dpicken
    Developer: Small Form Factor (SFF) Atari 8-bit compatible system project, USB Keyboard Controller for Atari XL/XE computers project

    Plexilaser.de 10/17 Germany
    http://www.plexilaser.de/
    Developer: Acrylic housing for Atari 800XL

    Boisy G. Pitre 6/22 Prairie Ronde LA
    USA
    https://liber809.blogspot.com/
    Developer: Liber809 (Motorola 6809 microprocessor upgrade for the Atari 800XL/1200XL/130XE, allows the Atari to run the NitrOS-9 operating system)

    Pokey Soft (Vidar Olavesen - Hawk) 2/22 Stevneveien 7
    N-1719 Greaker
    Norway
    https://pokeysoft.com/
    Developer: games: Invert XE. demos: The Wavy Demo, The Second Scroll, Wobbly Demo, Suck My D..k, Big Scroller, Horbig Demo, Simplicity, Twister!

    PRO(C) ATARI (Markus Roesner) 1/15 Germany
    http://proc-atari.de/
    Developer: Rolltris / Thetris, Caveblaster+, Ransack
    Publisher: PRO(C)-ATARI (quarterly print magazine, German/English editions)

    PVBest inFoo (Philippe Vuillerme) 11/24 France
    http://pvb.free.fr/ or http://www.pvbest.com/
    https://github.com/pvbestinfoo
    https://pvbestinfoo.github.io/
    Developer: Atari software: Dropzone modification (score table saving),
    The Famous List Of Hight Score, File Designer (convert from cassette to disk
    or from boot program to Atari DOS binary file), Disk Wizard II modification (updating and improvement of the disassembly code), Boot Loader. PC software: Atari File Designer 1.70c (AFD - read/write XFD disk images from/to a real Atari disk drive via a 1050-2-PC serial cable), Atari Monitor 2.00 (for use with Atari800 emulators), Atari ROM File Designer 1.9.1 (ARFD - advanced version of AFD, create XFD/ATR images from real Atari disks via a 1050-to-PC cable), Atari 8-bit Rom Image File Explorer (ARIFE Tool)

    ------------------------------

    Subject: R

    Rasterline (Ken Jones / MetalGuy66) 11/25
    USA
    https://rasterline.com/
    Developer: Multi I/O (MIO) "new series", upgrades for original ICD MIO

    Burkhard Rau (HCRBurk) 4/16 Germany
    http://www.hcrburk.de/
    Developer: SUBMON 4.1D (Atari),
    ATARI FileManagement (AFM) 1.7 0002 (WIN 95/98/NT/2000/XP)

    raz0red 2/20 http://wiibrew.org/wiki/WiiXL
    Developer: WiiXL 0.1 - February 7, 2009 (port of the Atari800 emulator 2.0.3 to the Nintendo Wii)

    Ready Magazin 7/16
    See: Sascha Leidel

    RECOIL (Retro Computer Image Library) developers 11/24 Piotr Fusik (idea, programming), Lonny Pursell (Atari ST/Falcon formats research), FRS (MSX expertise), Mariusz Rozwadowski (formats research, testing), Adrian Matoga (programming), Petri Pyy (macOS Quick Look plugin), cholok (IFF expertise), Soci (reference implementation and test files of C64 formats), Pawel Szewczyk (icons, testing), Slawomir Sledz (testing),
    Peter Dell (testing)
    See also: Piotr Fusik
    See also: Adrian Matoga
    See also: WUDSN
    https://recoil.sourceforge.net/
    Developer: RECOIL 6.4.5 (2024-10-27) - viewer of pictures in native formats of 20th century computers computers, including 143 formats of Atari 8-bit,
    that is available on Android, Windows, macOS, Linux and modern web browsers

    Johan van Rensburg (JSJvR) 11/24 https://github.com/JSJvR
    Developer: atari-8-bit-utils: a collection of Python utilities for projects related to Atari 8-bit computers

    Retro-Bit 9/20
    USA
    http://retro-bit.com/
    Developer: Atari 2600 Joystick Controller (replaces Atari CX40),
    Atari AC Adapter (replaces Atari C010472 / C016353 / CX261)

    Retro Games Ltd. 9/24 West Wing Studios, Unit 166
    The Mall, Luton
    LU1 2TL
    United Kingdom
    https://retrogames.biz/products/the400-mini/
    Developer: THE400 Mini (emulated Atari 400, 800, 5200, 800XL, or 130XE, in miniature case, shipped with THECXSTICK CX40-style joystick with USB
    interface)

    RETROHAX.NET 2/21 Poland
    https://retrohax.net/
    Vendor: new hardware, including:
    Keyboard springs set for Atari 65XE / 130XE / 800XE,
    SDrive-MAX interface for Atari 8-bit - cased,
    mouSTer - Modern mouse adapter for retro computers

    Retro Lemon (Jakub Kosiec) 7/24 Office 136, 5 High Street
    Maidenhead
    SL6 1JN
    United Kingdom
    https://retrolemon.co.uk/
    Vendor: new hardware, including upgrades, storage devices, and accessories

    Retro Moe 8/23
    Los Gatos CA
    https://www.tindie.com/stores/riq/
    Developer: Unijoysticle 2 800XL: gamepad for Atari 800XL
    (use modern Bluetooth controllers on your Atari 8-bit computers)

    Retronics (Lidia Dudek) 2/21 Alder 41/1
    05-506 Magdalene
    Poland
    http://retronics.eu/
    Developer: new hardware, commercial software (authorized reprints)
    Publisher: SpartaDOS X ver. 4.50 - User Guide book (English)

    RetroRadionics (Djordje Mitic) 2/21 United Kingdom
    https://retroradionics.co.uk/
    Developer: ArcadeR 9 pin Atari standard Joystick

    Rewindgames (Fred Meijer) 4/16 Geen bezoekadres
    Schiedam
    Netherlands
    http://www.rewindgames.com/
    Vendor: new and used hardware, new and used commercial software

    Thomas Richter (THOR Software) 4/20 Germany
    http://www.xl-project.com/ http://atariage.com/forums/topic/227668-wav2cas-new-version/
    Developer: Atari++ Emulator (800/XL/XE/5200 emulator for Unix/Linux/ Solaris/Irix; with Os++ ROM) Stable Release 1.83, atari++ CVS Snapshot 1.83, atari++ 1.81 for win32, Os++ System Disk, Basic++, wav2cas, cas2wav

    Wade Ripkowski (Ripjetski6502) 3/25 https://github.com/Ripjetski6502
    Developer: A8CLibrary (Atari 8 bit Text Window and FujiNet Library in C (CC65)), A8MadPascalLibrary (Atari 8 bit Text Window Library in Pascal (Mad-Pascal)), A8ActionLibrary (Atari 8 Bit Text Window Library written in Action!), Mr. Paint (ATASCII screen editor)

    Rossum 3/21 Palo Alto CA
    USA
    https://rossumblog.com/
    https://github.com/rossumur
    Developer: esp_8_bit (version of Atari800 emulator for ESP32),
    A Little Atari 810 Disk Drive (microSD card floppy disk drive emulator
    project for Atari)

    Royal Galaxy Ltd 11/14 USA/Canada
    http://www.4keyboard.com/ http://www.4keyboard.com/atari-nontransparent-keyboard-stickers-p-854.html
    Developer: Atari non-transparent keyboard stickers (for PC keyboard)

    RTS Software (Bryan P. Schappel and Barry Kolbe) 2/15
    USA
    http://www.rts-software.com/
    Developer: Utilities: ANALOG Database, BCALC, BCOPY (SuperCopy),
    BBK Artist, BBK C.P., BBK Monitor, Debug+, Disk Enchanter, Disk Master, Personal Spell Checker, T:EDIT. Atari 8-bit Games: Capital, Clash of Kings, ROBOX, Snow Plow, Snow Plow Editor. Barry Kolbe's Software: BASIC Utilities Package, Disk Garage, Krazy Mazes, Laser Chess PC

    Rude Dog Retros 11/24 United Kingdom
    https://rudedogretros.co.uk/
    Vendor: new hardware
    Repair shop

    ------------------------------

    Subject: S

    Vin Samuel (VinsCool) 8/22 Quebec
    Canada
    https://github.com/VinsCool
    Developer: POKEY-Frequencies-Calculator, VUPlayer-LZSS, RMT-Patch16,
    RASTER Music Tracker (RMT)

    Filippo Santellocco 2/20 Italy
    https://www.santellocco.com/atari/io.htm
    Developer: L.E.M., Cookie Monster v1.5, Made with Atari 800, Carrie Fisher, Get Lucky, The Rocky Horror Show Demo

    Darren Schebek 9/17 Canada
    http://www.schebek.ca/ or http://www.user.dccnet.com/dschebek/
    Developer: Envision (character editor & screen editor), Solitaire Game, Yahtzee Game

    Mark Schmelzenbach 6/21 https://atari.miribilist.com/
    https://sourceforge.net/u/schmelze/profile/
    Developer: EnvisionPC 0.8 for SDL (Winows9x/2000/XP, Linux, MacOSX) (graphical editor), ATasm 1.09 (6502 command-line cross-assembler, compatible with original Mac/65)

    Oliver Schmidt 2/21 https://github.com/oliverschmidt
    Developer: Contiki OS for 6502 based computers (supports the Dragon Cart
    and the Dracarys Ethernet devices). Programs: ETHCONFI.COM, IPCONFIG.COM, WEBBROWS.COM, WGET.COM, IRC.COM, WEBSERV.COM, TELNETD.COM

    Stefan Schramm Software 12/24 Zwingerstra|fe 1
    06110 Halle (Saale)
    Germany
    https://stefanschramm.net/
    https://github.com/stefanschramm
    Developer: RetroLoad.com - web application for converting tape images of historical computers into sound for loading them on real devices using an
    audio line cable or cassette adapter.

    Serious Magazine 8/14
    See: Dial Group

    Daniel Serpell (dmsc) 1/25 Vi|#a del Mar
    Chile
    https://github.com/dmsc
    Developer: Atari PIC programmer (program a PIC microcontroller from an Atari using the JOY2PIC interface), Atari SAP Type R File Compressor and Player, Compressed APX intro screen, Fast E: accelerator, Turbo-Basic XL and Atari BASIC parser tool, mkatr: Create ATR images from list of files,
    Mini65 - Small 6502 simulator with Atari 8bit bios,
    FastBasic 4.7 - Fast BASIC interpreter for the Atari

    Sherlock Consulting (Jason Watton) 8/21 Malvern
    Worcestershire
    United Kingdom
    WR14 3AZ
    Tel: +44(0)7767 220884
    http://www.shlock.co.uk/
    Developer: OmniFlop Floppy Disk Driver & OmniFlop Wizard for Windows PC
    (can read, write, and format Atari 8-bit format (90kB); handles whole disks, but not the Atari disk filesystem; requires internal floppy disk drive on the PC) Version 3.0b (12 Jan 2012)

    SIC! crew 4/20 Stryker, Candle, Pr0be, KMK, Ooz, Trub, Dely, Seban, X-Ray, Miker, Zenon
    See also: Sebastian Igielski
    See also: Konrad M. Kokoszkiewicz
    See also: trub
    Poland
    http://sic.pigwa.net/
    Developer: SIC!Cart -- Super Inexpensive Cartridge

    Sijmen Schouten (Mr.Atari) 10/21 Netherlands
    http://www.mr-atari.com/
    Developer: MyIDE interface project (1999); Bird food (2014),
    Lost in space (2015); for SIO2BT: BTCONFIG.XEX (2016), SIO-TERM.XEX (2016); MyBIOS-RAM/ROM 02-02-2018 V04 (alternative OS for XL/XE),
    LiteDOS / TinyDOS (2018/2020), SIO2WiFi project (2018/2019),
    LiteDOS-SE (Second Edition) (2021-present)

    -E-+-|-|-U-|-| -i-|-+-|-+-+-# (Aleksey Semenov) (7emen13) 6/24
    Moscow
    Russia
    https://www.sellmyretro.com/user/profile/7emen13
    Developer: ShamaXL AME (Dual POKEY / COVOX / 320/576 kB RAM for 600XL/800XL) - PWM Audio Out or DAC PCM5102A Audio Out versions

    Sikor Soft (Pawel Sikorski) 8/14
    ul. 1-go Sierpnia 28 m 64
    02-134 Warszawa
    Poland
    http://sikorsoft.internetdsl.pl/
    http://atarynka.atari8.info/
    Developer: games: Moscow 1993, Teacher Killer, 5 x 5, 5 x 5 Editor, Fire Stone, Centurion, Liga Polska, Pilkarski Poker, Cyborg, ABC, Sexy Six, Sexy
    Six Data Disk 1, Sexy Six Data Disk 2, Sexy Six Data Disk 3, Nexus, Ketchup, Magic of Words, Neuroid, Max & Magic World, Jurassic Park II (Polish edition; original by Satantronic), Orto Puzzle, Tekblast, Mr. Proper demo version
    Publisher: Atarynka 1/2002, 2/2002, 3/2002, 4 (1/2003)

    Mark Simonson 4/16
    USA
    http://www2.bitstream.net/~marksim/atarimac/
    Developer: Atari Classic TrueType Fonts, v1.1 (Atari Classic Chunky,
    Atari Classic Smooth, Atari Classic Extrasmooth)

    Daniel Sniegon 6/15 Poland
    http://atari.dan24.pl/
    Developer: Dan Casper Editor (Atari XL / XE sprites animation editor
    for Windows XP / Vista / 7 and higher with .Net 3.5)

    Marcin Sochacki (Montezuma) 1/19 Poland
    https://drive.google.com/file/d/0B3-191R-U_S1blpUTFBsRW1iRUE https://play.google.com/store/apps/details?id=org.atari.montezuma.sio2bt
    Developer: SIO2BT project and Android app (2014-2016)

    Soci/Singular 7/24 Hungary
    https://sourceforge.net/u/soci/profile/
    https://singularcrew.hu/vi65/
    Developer: VI65 text editor 0.3 (a VI implementation for 6502 machines including Atari 8-bit)

    Marco Spedaletti (spotlessmind1975) 10/24 Italy
    https://ugbasic.iwashere.eu/
    https://spotlessmind1975.itch.io/ugbasic-ide https://github.com/spotlessmind1975/ugbasic
    Developer: ugBASIC - "An isomorphic language for retrocomputers" -
    supported target platforms include the 8-bit Atari computers

    Sascha Springer 6/22 https://www.zerstoerung.de/
    https://sourceforge.net/u/animaincorpore/profile/
    Developer: A8E 0.1b (2004), A8E 0.2 (experimental)(2007).
    (Atari 800XL Emulator for Windows, "developed completely from scratch")

    Michael St. Pierre (Mytek, AtariBits) 6/21 https://ataribits.weebly.com/
    Developer: 1088XEL project (Mini-ITX Form Factor Alternative Atari 8-Bit Motherboard), 1088XLD project (1050 Form Factor Alternative Atari 8-Bit Motherboard), TransKey-II project (Single -or- Dual PS/2 Keyboard Interface
    for the 8-Bit Atari), TK-II-STEREO project (Dual POKEY Stereo Audio with U- Switch and Dual PS/2 Keyboard Interface for the 8-Bit Atari), GTIA Video Gate project (Video Over Scan Eliminator and Accessory Support Signal Break-Out), JOY2PIC project (A Microchip PIC Programmer for your 8-Bit Atari), MOUSETARI project (A PS/2 to ST/A8 Mouse Interface Chip), MIDI project, including SIO2MIDI (A MIDIMATE Compatible Interface for your 8-Bit Atari)

    Petr Stehlik 9/20
    See also: Atari800 Emulator Developers
    Czech Republic
    http://joy.atari.org/
    Developer: Dual Joystick USB Adapter

    ------------------------------

    Subject: T

    T.A.T (The Atari Team) (Lars Langhans) 1/23 Germany
    https://github.com/the-atari-team
    Developer: tat.oxygene.be (a horizontal Shoot'em Up Game), wnf.compiler (WNF-Compiler for ALGOL equal language. Compiles wnf files to 6502 assembler code), tat.packer (RLE then huffman compress program), lla.xldir.disktool
    (read and write files to and from ATR or XFD Atari disk images on DOS 2.5 or LiteDOS filesystems), tat.pacmen.evolution (Pac-Man clone)

    Chris Tersteeg 7/24 Prior Lake, MN
    USA
    https://www.tindie.com/stores/tersteeg/
    Developer: FujiNet Devkit Shield

    Vladimir Tichy 6/22 Hrdlovska 650
    41705 Osek
    Czech Republic
    https://sdq.czweb.org/old_computers/atari/
    Developer: Atart ("ATAri Receiver and Transmitter") -- Atari 8-bit casette dataset emulator / tool for archiving Atari casettes / Atari casette images editor: Atart 1.09a program, Atart 2.00.0 program, Atart interface plans version 3.10.0, AFMS board plans; CAS COM 1.00.1 (utility for loading
    tape images to Atari via serial port through SIO2PC, Atart or other compatible interface); TConvert 1.21.1 (work with Turbo 2000 programs); disass.exe (6502 disassembler for MS-DOS, supporting 8-bit Atari cassette boot files); disassembler for decompiled 8-bit Atari code for MS-DOS (creates source code for Atmas II), SIO2PC plans

    trub (Bartosz Trybus) 1/18
    See also: DLT Ltd.
    See also: SIC! crew
    Poland
    http://trub.atari8.info/
    Developer: S2S Commands (for SIO2SD 2.5 + SDX 4.x), S2I Commands 0.8
    (for SIO2IDE 4.x/3.x + SDX 4.x), S2I JukeBox 4.0a (for SIO2IDE 4.x/3.x),
    FIXATR (for MS Windows), CDPLAY 0.4a (for KMK/JZ IDE + SDX 4.x), ED 2.9, ABASIC, YOGI/YELLYSTONE PARK Multidrive, XLDisk, INITCA (for CA-2001 drive), Indus CP/M Tool

    Vasyl Tsvirkunov 7/16 http://pocketatari.retrogames.com/
    Developer: Pocket Atari 2002/05/13 (Atari800 emulator ported to
    Windows CE 3.0+), versions for: StrongARM (iPAQ, etc.), MIPS (Casio, etc.), SH3/4 (Jornada, etc.)

    TurntableNeedles.com Inc. 3/21 2517 NW 9th St
    Corvallis OR 97330-1536
    USA
    1+866-BELTS-2U (1+866-235-8728)
    1+541-754-3664 9am to 3pm PST https://www.turntableneedles.com/search.asp?keyword=atari
    Developer: replacement belts for Atari 410 and 1010 program recorders

    Ventzislav Tzvetkov (drHirudo) 2/15 Bulgaria
    http://hirudov.com/amiga/Atari800.php
    http://hirudov.com/amiga/Atari++.php
    Developer: Atari800 (v2.1.0) for AmigaOS 4, Atari++ (v1.73) for AmigaOS 4

    ------------------------------

    Subject: V

    Ivo van Poorten (ivop / The Gatekeeper / TGK) 12/24 Netherlands
    https://github.com/ivop
    Developer: snes2joy, sio2world, Pokey Explorer, project-helena, MIDIMuse
    and midimon, project-jenny, various sizecoding projects, Atari 8-bit ROMDOS Archive, siddasm2, Raster Music Tracker - Standalone Libraries, FRee Interactive DisAssembler (FRIDA), atariterm - port of Atari800 emulator for VT100/ANSI terminal or console (Linux/Windows/macOS), atarisid (Software SID emulation for the Atari 8-bit), RastaConverter Archive, xatmas2 (Atmas 2 Compatible 6502 Cross-Assembler), Intel 8080 Emulator, saprtools, 8x8-fonts

    Jurgen van Radecke (tfhh) 6/20 Germany
    http://www.van-radecke.de/STUFF/tfhh_HW_info.pdf
    Vendor: Atari XL/XE keyboard connector 24 pin for mylar keyboard cables
    Developer: Sys-Check V2.2 XL/XE BBU (with Battery BackUp), Sys-Check V2.2 XL/XE Standard-Version, Sys-Check V2.2 XL, Sys-Check V2.2 XE, Super Color CPU Card, 48/52 KB RAM-Card, BitWriter 1050 Replica "B", Mini-Speedy 1050, Mini- Super-Speedy 1050, Turbo 1050 Replica, 64 KB SRAM Charger, 512 KB SRAM memory expansion V4.4 Standard, 576 KB SRAM memory expansion for 600XL, KEYCON bare PC, GTIA Fixer

    Dan Vernon 7/16 http://retrobits.net/
    Developer: Atari810 1.4d -- software for emulating an Atari 8-bit floppy drive or hard disk on your PC (Windows NT/2000/XP)

    Video 61 & Atari Sales (Lance Ringquist) 3/21 22735 Congo St NE
    Stacy MN 55079-9356
    USA
    tel: (651) 462-2500 24 Hours
    http://www.atarisales.com/
    "We service, sell and publish hardware and software"
    Vendor: new/used hardware, commercial/PD/freeware/shareware
    Developer: HARDWARE: Cassette Data Storage & Maintance/Service Pack (for the Atari 410,1010,XC11,XC12 and compatible), CX-40 Evolved (joystick controller), CX-30 Evolved (paddle controllers pair), 7800 Compatible Grip-Stick (joystick controller). CARTRIDGE GAMES: Amazing Maze, Animal Keeper, Animated Puzzle (Atari proto), Arkanoid, Amok Bots, Bumpers!, Berzerk (Atari proto), Bubble Trouble, Bruce Lee (Atari proto), Commando (Atari proto), Crystal Castles (Atari proto 16K version), Crystal Raider, Cosmos Pinball, Checkers, Clash of the Kings, Concentration, Clowns and Balloons, Cubico, Delta Space Arena, David's Midnight Magic 2, Deflektor (Atari proto), Desmond's Dungeon, DungeonLords, Dan Strikes Back, Dinky-Do, Dynakillers, Dropzone, Dandy, Elevator Repairman, Flash Gordon (Spider City), Fire Bug, Getaway!, H.A.C. (Heavy Armor Combat) (TAC - Tactical Armor Command), Hearts, HeliCommander, Jinx, Jurassic Park II, Jail Break, Jr. Pac-Man (Atari proto), King Tut's
    Tomb, LaserBlast X, Lights Out, Lord of the Orb, Megaoids, MIDI Maze (Atari proto), Montana Solitaire Card Game, My Jong, Maze War, Mr. Robot and His
    Robot Factory, Mean 18 (Atari proto), Monopoly, Mah Jong, Midas Maze, Monster Hunt II, Montezuma's Revenge, Night Mission Pinball, Novawolf, Pacific Coast Highway, Paddle Pack Pong, Paddle Wars, Plaqueman, Preppie, Preppie II, Putt 18, Puzzler (Puzzled), Quest for Quintana Roo, Rally Speedway, Ricochet, Secretum Labyrinth: The Legend, Stargate (Atari proto), SAGA No. 1 - Adventureland, SAGA No. 3 - Mission Secret (Mission Impossible), SAGA No. 6 - Strange Odyssey, SAGA No. 2 - Pirate Adventure, Slingshot, Spaceshot Pinball, Sharp Shooter, Solitaire Card Game, Spaceball, Smush (Squish'em!), Superman
    III (Atari proto), Star Flite, Surround'em, Tron, Transylvania, Trailblazer, Lost Tomb, Twilight World, Twin Pack (Battleship/Jump the Pegs), AtarTris II (Tetris II), Tower Toppler (Atari proto), Tile Smashers, Tempest Xtreem, Tempest Elite, Tapper, Venture, Vanguard, Video Slots, Video Poker Card Game, World Karate Championship, Whomper Stomper, Xenophobe (Atari proto), Zybex, Nibbler. NON-GAME CARTRIDGES: MyDOS 4.5, SpartaDOS 3.3C, Ultra Translator 2.0, Speed-O RPM Drive Tester, Turbo BASIC, Letter Tutor (Atari proto). CD-ROM: Atari 8-Bit Public Domain-Shareware Software CD-ROM.
    Repair shop.

    Video Game Source 2/15 Gungelsbrunnen 25
    D-21339 Lueneburg
    Germany
    Tel.: +49 (4131)406278 Mo-Fr: 12pm - 8pm CET
    http://www.videogamer.org/
    Vendor: new hardware (Atari G1 Light Gun, Atari XL/XE-Datarecorder XC12), used hardware (Competition Pro Joystick), new commercial software (selection
    of XE game cartridges)

    Viking Video Games (doubledown) 8/23 https://www.vikingvg.com/
    Developer: custom built controllers

    Vintage Computer Center (Gavin Haubelt) 2/25
    373 E Shaw Ave PMB 178
    Fresno CA 93710-7609
    United States
    tel: +1 (559) 492-6318
    https://www.vintagecomputercenter.com/
    Vendor: new hardware (home to the SDrive-MAX)

    ------------------------------

    Subject: W

    Wacko Software (Andrei Ellman) 12/24 United Kingdom
    https://software.wackonet.net/
    Developer: Line Crash (game)

    WASEO (Walkenrieder Anwender-Software Entwicklungs-Organisation) 6/20
    c/o Thorsten Helbing c/o Michael Probst
    Hopfenhellerstr. 5 Wilhelm-Bode-Str. 19
    37445 Walkenried 38106 Braunschweig
    Germany Germany
    tel: +49 175 9982360 http://www.mipro-online.de/waseo/ http://www.waseo.de/
    Developer: WASEO Publisher (desktop publisher (DTP)), WASEO Designer (extension for WASEO Publisher), WASEO Trilogy (printing programs),
    WASEO Grafinoptikum (graphics programs), WASEO Labouratorium,
    WASEO Practoscope. For PC: PiXLator 2.9.0 (10/16/2016),
    Atari XL Viewer 3.8 (10/05/2001), Atari Clock 1.6.9 (10/13/2009)
    Publisher: DISK-LINE disk magazine #9-#66 (1991-2002)

    Mark Watson 6/22 http://www.64kib.com/
    Developer: Atari 800/5200 FPGA (hardware re-implementations of the Atari 8-bit for FPGA platforms including Altera DE1, Chameleon, FPGA Arcade Replay, MIST, MCC-216, MCC-TV), pokeymax (POKEY chip replacement), GP32/GP2X/Gizmondo/Pandora port of Atari800 emulator

    Whizzo Software (Dan Noguerol, aka Farb) 6/22 Frankfurt
    Germany
    http://www.whizzosoftware.com/
    https://github.com/whizzosoftware
    Developer: SIO2Arduino (Atari 8-bit device emulator for Arduino hardware including Arduino Uno, Arduino Mega 2560/ADK, Teensy 2.0)

    James Wilkinson (slor) 5/16
    See also: Atari800 Emulator Developers
    See also: Eric Bacher
    https://sourceforge.net/u/emuslor/
    http://www.atarinet.com/
    Developer: Atari800 (co-developer), DIS6502 (co-developer), AtariNet 1.0

    Jim Wilkinson (jacobus) 5/16 https://sourceforge.net/u/jimwilkinson/
    Developer: Atari Launcher EEE (2008-08-22) (A front end for the various Atari hardware emulators, primarily the Atari800WinPlus emulator)

    Wordmark Systems (Charles Marslett) 1/18
    USA
    http://www.wordmark.org/
    Developer: MyDOS 4.51 (w/ R. Puff; 6/14/89), A65 assembler 1.2 (7/4/89), FastChip sources (Revision C, 30 November 1981).
    PC utility: ATUTIL (UTIL)(6/15/89)

    Chris Worton (boxapixels) 6/25 Finland
    https://boxapixels.net/
    https://github.com/boxapixels
    Developer: Atari ANTIC Displaylist Designer

    WUDSN (Peter Dell / JAC!) 3/15 Weinhechstrasse 40
    66822 Lebach
    Germany
    Telefon: (0177) 8993513
    http://www.wudsn.com/
    Developer: demos: Visdom Demo, Disk Line Menu System, PD Mag 5 Intro, Top Mag Intro, Visdom II Demo, ABBUC Magazin 34 Intro, PD Mag 6 Intro, PD Mag Out of Space Intro, Instant Collection, ABBUC Magazin 69 Intro, ABBUC Magazin 70 Intro, ABBUC JHV 2002, Dieter und Gisela bumsen wie die wilden Tiere in Nachbars Whirlpool, ABBUC Magazin 99 Intro, HomeCon 5 Invitation, Fake Fade, PigXLs, Power Of 2, Expanding Universe, TV Noise Anthology, TV Noise Demo Maker, Silly Things, Badekapp Miel 3, Wallflower XL, RottoprojoXL, Cube is my Pron, Wallflower XL Remix, Wallcopper, RGBA - Rasters Girls Beer Atari, SillyPack 2k12, ASpongy, Silly Venture Guru, SillyPack 2k13, RebbStars,
    Boom!k. games: Starsquare, Time Zone. tools: The!Cart Studio (Cross-platform cartridge authoring), Atari Calculator ROM Version, Atari ROM Checker (Cross- platform ROM analysis), Atari ROM Maker (Cross-platform ROM creation).
    WUDSN IDE (v1.7.2 2021-04-01; integrated Apple II, Atari 2600, Atari 7800, Atari 8-bit, C64 and NES development plugin for Eclipse)

    ------------------------------

    Subject: Y

    Erez Yaary (whomper) (Microvision) 2/25 Israel
    https://github.com/whomper
    Developer: EDOS (Atari DOS User Interface)

    Yoomp! developers (Marcin "Eru" Zukowski, Lukasz "X-Ray" Sychowicz, 7/21
    Bartek "BeWu" Wasiel, Piotr "0xF" Fusik)
    See also: Marcin Zukowski
    See also: Piotr Fusik
    http://yoomp.atari.pl/
    Developer: Yoomp! version 1.1

    ------------------------------

    Subject: Z

    Joseph Zatarski 8/15 East Troy WI
    USA
    https://github.com/jzatarski
    Developer: RespeQt r2 (fork of AspeQt 1.0.0-preview7)

    zaxon (Piotr Bugaj Nowowiejskiego) 11/24
    14 m 38, Czestochowa, 42200
    Poland
    https://www.sellmyretro.com/user/profile/zaxon
    Developer: ATARI XE port expander: ECI + CART x2, Just XF551 (3.5" floppy disk drive), Atari XL/XE tape interface, Atari XE port expander, FujiNet
    Atari rev 1.7, Atari XF floppy drive clone board, 512 ram expansion: Atari
    800 XL, External 512 ram for Atari XE (eci port required), Atari S-Drive
    MICRO, 1050 mini (3.5" floppy disk drive), Atari XF351 floppy drive clone, A8PICO CART

    Yoda Zhang (Kemal Yun / Kemel Ezcan / KE-Soft) 1/15 Germany
    http://kemalsatariarchiv.gmxhome.de/
    Developer: KE-SOFT CD (contains everything published by Kemel Ezcan for
    the Atari, including all KE-Soft software, all issues of the ZONG disk magazine, and more)

    Zdenda (Zden-ck Zubr) 4/25 Czech Republic
    https://zzubr.cz/atari.html
    Developer: Zdendazuma I, Zdendazuma II, Zdenda's Monte, Pacman Labyrinth, Robot & Minion, Space Invaders Battle, Ufon, Ninja-Help-Icopter, Robbery, Firefighter Tob|!k, Multijoy 17Players Roulette, Bombeeno, Atari Hotline, Tetris-T, Color Recognizer, Demo, Demo, Demo, Software-Sprites, Demo,
    Greedy Bat, Weather Station, 6 Jukeboxes, Dark City Road,
    Planet Rescue Mission, Firefighter Tob|!k II, Eternal Meteors,
    Firefighter Tob|!k 3, Defense Horizon, Zdendassembler Studio 6502

    Marcin Zukowski (eru/tqa) 9/17
    See also: Numen
    See also: Yoomp! developers
    Netherlands
    http://lepix.sourceforge.net/
    Developer: LePix v.0.2.0 (painting program)

    ===================================================================
    End of atari-8-bit/vendev ===================================================================
    --- Synchronet 3.21b-Linux NewsLink 1.2
  • From Michael Current@michael@mcurrent.name to comp.sys.atari.8bit,comp.answers,news.answers on Mon Aug 3 15:08:44 2026
    From Newsgroup: news.answers

    Archive-name: atari-8-bit/vendev
    Last-modified: August 2, 2026

    Welcome to the comp.sys.atari.8bit newsgroup!

    Atari 8-Bit Computers

    Vendors and Developers List

    "A comprehensive list of vendors, developers, publishers,
    and repair shops for Atari 8-bit computers and their users"

    Additions/suggestions/comments/corrections are needed! Please send to:

    Michael Current, michael@mcurrent.name

    This document is in a constant state of development and comes with no guarantees. If you see any problems, I need to hear from you!

    The latest version of this document is irregularly posted to these Usenet newsgroups: comp.sys.atari.8bit, comp.answers, news.answers

    It is also kept at: https://mcurrent.name/atari-8-bit/vendev.txt

    You may also request my latest working version at: michael@mcurrent.name

    UPDATES SINCE PREVIOUS POSTING:
    2026.08.02 added: Miko+eaj Miko+eajczyk
    2026.08.02 added: Jeremy J. Starcher
    2026.08.02 added: Brian M. Sturk
    2026.08.02 Jakub 'Ilmenit' D-Obski: Delete Me Hard
    2026.08.02 added: Paul D. Carlson
    2026.08.02 added: Andy Kosela
    2026.08.02 added: Mark Keates
    2026.08.02 added: A8Eenegade
    2026.08.02 added: xyab
    2026.08.02 added: idunmore (Torq)
    2026.08.02 added: Marek Spanel
    2026.08.02 added: B. Watson
    2026.08.02 updated: Paul Jones
    2026.08.01 added: Mirko Sobe
    2026.08.01 added: Benj Edwards
    2026.08.01 added: Steve Hill
    2026.08.01 Frederik Holst: ATASCOIID
    2026.08.01 added: Tattler Solutions
    2026.08.01 Haplo: Carcer, Unison
    2026.08.01 added: Andy Diller
    2026.08.01 added: Atari Super Bug Plus
    2026.08.01 added: Tadeo Marin
    2026.08.01 added: Micha+e Gali+aski
    2026.08.01 updated: Joe Mozzwald
    2026.08.01 added: Derrick Bommarito
    2026.08.01 added: Eric Carr
    2026.07.31 added: Michal Kurcewicz
    2026.07.31 removed: Tomasz 'Pecu+c' Pecko (passed away)
    2026.07.31 added: Kermit83
    2026.07.31 added: Fatih Ayg|+n
    2026.07.31 HanJammer: 192p Test Suite, FujiGPT
    2026.07.31 added: Atari Legacy
    2026.07.31 Jakub Husak: Atari Action! Compiler
    2026.07.31 Peter Hinz: PokeyForge
    2026.07.31 MadTeam: Mad Pascal 1.7.7
    2026.07.31 BAKTRA Software: TURGEN 9.4.4
    2026.07.31 Paulo Garcia: Fujisan v2.0.4
    2026.07.31 updated: Pawel Kalinowski
    2026.07.31 added: Maxi's Retro Tech
    2026.07.31 Mark Grebe: Atari800MacX 6.2.5
    2026.07.31 added: FujiNet Computer Network Adapter Project
    2026.07.30 updated: The Brewing Academy
    2026.07.30 updated: Lotharek
    2026.07.26 added: Mantic Moon Labs
    2026.07.26 updated: Jakub 'Ilmenit' D-Obski
    2026.07.03 removed: Vasyl Tsvirkunov (old Atari800 Pocket PC page)
    2026.07.03 updated: Kostas Nakos
    2026.07.03 updated: Atari800 Emulator Developers
    2026.06.24 updaded: Wade Ripkowski
    2026.06.24 added: Piers Finlayson
    2026.06.24 added: TJ Atarian / TJH76 / TJ76
    2026.06.19 added: Brad Colbert (YAIL, ATank, EDGE)
    2026.03.29 Atari klub: FLOP #69
    2026.03.21 updated: Piotr D. Kaczorowski
    2026.03.14 added: Daniel Ko+|mi+aski (dely)
    2026.03.14 Sascha Springer: A8E v1.3.0
    2026.03.14 added: Krzysztof "Amarok" Piotrowski
    2026.03.12 Paulo Garcia: Fujisan 1.1.8
    2026.03.12 added: MADsoft
    2026.03.12 added: Jakub 'Ilmenit' D-Obski
    2026.03.12 added: Mq-workshop
    2026.03.12 added: BDB Project
    2026.03.09 added: Monochrome Productions
    2026.03.09 Ray Ataergin: ALibPc Version 1.2 (Feb 22, 2026)
    2026.03.08 ASAP 8.0.0 (2026-02-16), thanks Piotr Fusik
    2026.02.14 Wade Ripkowski: Dr. Love 1.02
    2026.02.14 Sascha Springer: A8E v1.0.0
    2026.02.09 added: HanJammer (avfplayer, avi2atari)
    2026.02.09 Mark Grebe: Atari800MacX 6.2.1
    2026.02.09 Paulo Garcia: Fujisan 1.1.4
    2026.02.09 updated: Wade Ripkowski
    2026.02.08 added: Paul Jones (AspeQt-2k26)
    2026.02.08 added: Jochen Sch|nfer (RespeQt)
    2026.02.08 removed: Joseph Zatarski
    2026.02.08 Paulo Garcia: Fujisan 1.1.3
    2026.02.08 Avery Lee: Altirra 4.40
    2026.02.08 added: Jaros+eaw 'Roeoender' Wosik F-16 Falcon Strike)
    2026.02.08 Another Slight Atari Player developers: ASAP 7.0.0 (2025-12-20) 2026.02.08 Krzysztof "Vega" G||ra: Street Fighter II
    2026.02.08 MadTeam: Mad Pascal 1.7.6, Bitmap Fonts
    2026.02.08 Wojciech Bocia+aski: FiSheye Server & FiSh Client, TileT
    2026.02.08 added: Krystone
    2026.02.08 updated: Ivo van Poorten
    2026.02.04 removed: Sikor Soft
    2026.02.04 removed: Ireneusz Kuczek (website gone)
    2026.02.04 removed: Bits of the Past
    2026.02.04 updated: BITS
    2026.02.04 updated: CBMSTUFF.COM
    2026.02.04 updated: atariarchives.org Software Library
    2026.02.04 updated: atariarchives.org Atari Program Exchange (APX) Archive 2026.02.04 removed: Dial Group (website gone)
    2026.02.04 Mark Grebe: Atari800MacX 6.1.2

    ------------------------------

    Subject: Introduction

    Conventions
    -----------
    All commercial vendors, developers, publishers, and repair shops should be listed here. "Active" PD/freeware/shareware developers should also be listed. Persons or entities holding rights to products, but not selling or supporting them in any way, should NOT be listed here.

    "Vendor" = Reseller of products produced by others. Types of products
    sold are given in categories: new hardware, used hardware, PD/freeware/ shareware, (new) commercial software, used (commercial) software.

    "Developer" = Producer of products. Titles of products produced by the developer are listed. No prices are given.

    "Publisher" = Publishes a print or disk magazine, or a book. Complete subscription or ordering information should be given, including prices. Authorized online publishers of originally print or disk magazines are also listed. Online books are not listed.

    "Repair Shop" = Can repair 8-bit Atari or related hardware devices. Be
    sure to make advance contact before sending anything to work on!

    Entries are presented alphabetically by company name, or publication
    title. If no company name exists, a personal name is used. "See"
    references indicate complete information may be found under the given
    heading. "See also" references indicate closely-related information may
    be found under the given heading.

    The month/year that vendor information was most recently fully verified is given at the "upper-right" of each entry.

    Every entry should contain a valid postal address or web page address.

    Entries do not include an email address due to the overwhelming amount of
    spam that would result.

    DISCLAIMER
    ----------
    Appearance in this list does not constitute a recommendation or endorsement of the business, individual, product, or service listed.

    Verfications -> YOU!
    --------------------
    This list is in a constant state of development, and comes with no
    guarantees. Information of this nature constantly ages; therefore, the information contained in this list is constantly updated. Please use the latest release of this list whenever possible!

    Remember, the success of this list is dependent on YOU, the reader, to
    send me updates that correct errors that you find. If you use this
    list, please do your part in keeping it useful for everyone!

    ------------------------------

    Subject: 0-9

    4keyboard 2/26 3909 Witmer Rd # 257
    Niagara Falls NY 14305-1239
    USA
    https://www.4keyboard.com/
    Developer: Atari Non Transparent Keyboard Stickers

    5cfab (Brian Reifsnyder) 1/25
    204 Notch Rd
    Duncannon PA 17020-7017
    USA
    https://www.tindie.com/stores/5cfab/
    Developer: 48k Memory Upgrade Board for the Atari 400, 320k Memory Upgrade For the Atari XL Computers, Atari 1090XL Modernized Reproduction + Cards,
    Z-80 CP/M Card For the Atari 1090XL, 64k Memory Upgrade For the Atari 600XL, 1056k Memory Upgrade Board for the Atari 800, 1056k Memory Upgrade Board for the Atari 400, Cartridge extender card for the Atari 1200XL, 2024 Advanced
    PCB Remake of Atari 800XL System Board, Parallel Port Adapter - Atari 130XE
    ECI to XL PBI, 80 Column RPP Board For the Atari 1090XL, Atari 800 48k RAM
    Card with Jumper Board, Atari 800 RAMROM 2024 Personality Card, 320k Memory Upgrade For the Atari 1090XL, CX-85 Interface Card for the Atari 1090XL, OS Extension Card For The Atari 1090XL, Reproduction Atari 1200XL MMU (CO60609), Reproduction Happy Enhancement For Atari 1050, 2024 800XL Advanced PCB Programmed Chips, Prototyping Board for the Atari 1090XL, 320k Memory Upgrade Case

    8-Bit Classics (Corey Koltz) 2/21 Wautoma WI
    USA
    https://www.8bitclassics.com/
    Vendor: new hardware (including AtariMax product line, Armor3 Composite AV to HDMI Converter Box, Trooper Premium Controller for 2600/ RetroN 77, Retronics Atari 130XE/65XE Mitsumi Keyboard Mylar Replacement, Ranger Premium Wired Gamepad for Atari 2600/ RetroN 77, Retronics Atari 600XL/800XL Keyboard Mylar Replacement)
    Developer: 5-Pin DIN Composite AV Cable, Atari XL/XE 5-Pin DIN S-Video & Composite AV Cable, Atari XL/XE 5-Pin DIN to Commodore Chroma / Luma AV Cable (1701, 1702, 1802), 5-Pin DIN Composite AV Adapter, RCA Composite Audio Video Cable, Atari XF551 Disk Drive ROM Upgrade, Atari XL/XE 5-Pin DIN to Commodore 1902A AV Cable, Atari XL/XE USB Power Cable, Atari XL/XE Power Supply /AC Adapter, Advanced Atari XL/XE Power Supply / AC Adapter, Atari 850 to Modem Cable - CX-87 Compatible, Atari 850 To Terminal /Null Modem Cable - CX-88 Compatible, 5-Pin DIN MIDI Cable, Atari 400 / 800 / 1200XL / 1050 AC Adapter, S-Video to Chroma / Luma RCA Cable, S-Video to Chroma / Luma RCA Adapter,
    Atari XL/XE Universal Power Supply / AC Adapter, Axlon Compatible Atari 800 512K RAM Board

    8Bit-Tronics (Simon Gould) 7/24
    112 The Street
    King's Lynn, Sporle
    Norfolk
    PE32 2DR
    United Kingdom
    https://www.8bit-tronics.com/
    Vendor: UnoCart A8, Sdrive-Max, Ultimate Cart, FujiNet, A8PicoCart

    ------------------------------

    Subject: A

    A8Eenegade 8/26 United States
    https://a8renegade.com/
    Vendor: new hardware
    Developer: Atari AV Breakout board
    Repair Shop.

    Adam Is Me developers 8/21 Jakub 'Ilmenit' Debski, Michal 'stRing' Radecki-Mikulicz,
    Adam 'Ooz' Powroznik, Marek 'Xeen' Cora, Marek 'Koal' Oglodek,
    Jakub 'Jakub Husak' Husak, Rafal 'Raphis' Szczytko,
    Dominik 'VIP' Radecki-Mikulicz
    See also: Jakub 'Ilmenit' D-Obski
    See also: Jakub Husak
    Poland
    http://aim.atariscene.pl/
    Developer: Adam Is Me

    Ambery 1/18 12335 Denholm Dr Ste A
    El Monte CA 91732-3654
    USA
    tel: 626-698-6739 Mon ~ Fri (10:00AM to 4:00PM PST)
    FAX: 626-771-0060
    https://www.ambery.com/
    Developer: various video converters/scalers (connect an Atari computer
    to a modern TV or computer monitor)

    ArSoft (Arkadiusz Lubaszka) 2/22 Poland
    https://www.arsoft.netstrefa.pl/
    Developer: Pajaki, Przekladanka, Arkadia, Life, ArLogo, Pojedynek, Inwazja, Wojenne ABC, Zycie Maklera, Poszukiwacze, Smok, BASIC Editor +3M,
    Bitwa Morska, RAMbo+, Super Biorytmy, Auto-'B'-Test, Pole Minowe II, Gielda, ARK Operating System, Supgen, Koala-FWA Konwerter, Kolo Fortuny, CMC Player, Pajaki II, The Multi-Lotek Maker, Hard Copy Text, SupGen 2000 1.00,
    Odwracanka, Boot Config XF551, BCXF551.COM, Super Multi Filecopy, Hektor, LineKiler, FontSelector, Atari Reader, SupGen 2000 2.00, EAN, Pingwinek, Pingwinek Idzie Do Szkoly, Klony, Parachute, Parachute Deja vu, LarkaNoid, ATASCII Squad, Integrator 2.1, Integrator 3.01, PAC-TXT, Kolony 2106,
    Klony 2010, Mission: ArSoft, Octopus, Bolek and Lolek and ..., Mole and ..., Enchanted pencil i. ., Parachute 2011, Integrator 3.10, RC GUI, LEO$4+,
    The Great Return of the Penguins, C.G.S. X-mas Card, Tryby 3D, Laura,
    JoyTest II, In nihilum reverteris, JoyTest Plus, JoyTest3

    Art Transfair Berlin (Andre Motzkus) 5/16 Brunsbuetteler Damm 223d
    13581 Berlin
    Germany
    http://www.art-transfair.de/
    Developer: J.t.t.s.o.t.U., Amiga 500 Demo, You've got the Power,
    Megaforce (I). Co-production: World of Wonders

    ASAP - Another Slight Atari Player developers 3/26 Piotr Fusik (Creator and lead developer), Atari800 Emulator Developers (6502 and POKEY emulation used in 0.x.y versions of ASAP), Rod Castler (Android background photo), Zdenek Eisenhammer (Testing), Maciej Grzybek (Fixed an overflow in the Silverlight port), Jakub Husak (SAP fingerprint calculation. asapscan fixes), Henryk Karpowicz (CMC routine modified for the CM3 format), Maciek Konecki (Porting to C#), Marek Konopka (6502 routine for playing DLT), Daniel Ko+|minski (Ideas), Jerzy Kut (FC format), Marcin Lewandowski (6502 routines for playing CMC, MPT, TMC and TM2), Ian Luck (Guided development of XMPlay and BASS plugins), MarOk (CMS routine fix), Adrian Matoga (COVOX information and test files. Testing. Porting to D.), Perry McFarlane (POKEY reverse-engineering), Kostas Nakos (Windows CE testing), Petri Pyy (macOS releases), Mariusz Rozwadowski (Suggested CMS, CM3, DLT and STIL format support), S+eawomir +Uled+| (Windows Mobile setup. Thorough testing), David Spilka (6502 routine for playing CMS), Radek +at-crba (6502 routine for playing RMT. Testing), +Uukasz Sychowicz (Windows icons. Testing.), Pawe+e Szewczyk (Windows setup graphics), Micha+e Szpilowski (Testing), takron27 (Android beta-
    testing), Piotr Wiszowaty (VLC 3 compatibility), Grzegorz ++y+ea (XBMC plugin testing)
    See also: Piotr Fusik
    See also: Jakub Husak
    See also: Jerzy Kut
    See also: Adrian Matoga
    See also: Kostas Nakos
    https://asap.sourceforge.net/
    Developer: ASAP 8.0.0 (2026-02-16) (plays Atari 8-bit chiptunes on modern computers and mobile devices)

    ASMA - Atari SAP Music Archive developers 3/24
    0xF (pfusik, technical expert), Husak (technical expert), JAC! (SAP
    consultant, ASMA site admin), Marok (ripper), Miker (archive editor), MS (archive editor), PG (lead archive editor, ASMA founder), Ramos (archive editor, consultant), Slaves (archive editor, technical support), Voy
    (ripper), Willy (hosting, admin), XLent
    See also: Piotr Fusik
    See also: Jakub Husak
    https://asma.atari.org/
    http://asma.scene.pl/
    https://github.com/asma-atari-org
    Developer: Atari SAP Music Archive - contains over 6000 songs (2023-03-12)

    Ray Ataergin (Atari8Warez) 3/26 Canada
    https://sourceforge.net/u/atari8warez/profile/
    https://github.com/atari8warez
    https://www.facebook.com/ALibPc.Atari/
    Developer: ALibPc (Atari Librarian for PC) Version 1.2 (Feb 22, 2026), Ultimate 1MB (U1MB) Rom Builder v1.04 (2013-11-08)

    Atari, Inc. 9/24
    286 Madison Ave
    New York NY 10017-6345
    USA
    https://atari.com/
    Vendor: THE400 Mini (emulated Atari 400, 800, 5200, 800XL, or 130XE, in miniature case, with 25 built-in games)
    Developer: CX40+ Joystick Controller, CX30+ Paddle Controllers,
    CX78+ Gamepad Controller, DB9 Extension Cable

    Atari800 Emulator Developers 7/26 Petr Stehlik (maintainer), Perry McFarlane (core developer), Piotr Fusik
    (core developer), Tomasz Krasuski (core developer), Mark Grebe (Mac OSX), Kostas Nakos (Windows CE, Android), James Wilkinson (DOS, BeOS),
    Christian Groessler (Sega Dreamcast), Andrey Dj (Raspberry Pi),
    Miro Kropacek (Atari Falcon)
    See also: Petr Stehlik
    See also: Piotr Fusik
    See also: Mark Grebe
    See also: Christian Groessler
    See also: Tomasz Krasuski
    See also: Miro Kropacek
    See also: Kostas Nakos
    See also: James Wilkinson
    https://atari800.github.io/
    https://atari800.github.io/Atari800forAndroid.html
    Developer: Atari800 v7.0.0 (2026-06-27 -- emulator of Atari 8-bit computer systems for Unix, Linux, Amiga, MS-DOS, Atari TT/Falcon, MS-Windows, MS WinCE, Sega Dreamcast, Android and other systems running the SDL library),
    Colleen v4.2.0 (2026-06-24 -- version of Atari800 for Android)

    AtariAge Store 1/26
    USA
    https://store.atariage.com/
    Vendor: New hardware (featuring current products from Atari)
    Developer: Adventure II XE, Castle Crisis, A/W/A Anthology

    atariarchives.org Atari Program Exchange (APX) Archive (Kay Savetz) 2/26
    USA
    https://www.atariarchives.org/APX/
    Vendor: Lemonade, Preschool Games, Reversi, Newspaper Route Management Program, Castle, Alien Egg, Sultan's Palace, Extended fig-FORTH, Supersort, Lookahead, Dice Poker, Babel, Domination, Decision Maker, Terry, Eastern
    Front (1941), Wizard's Revenge, Mapware, Diskette Librarian, Chameleon CRT Terminal Emulator, Data Management System, Instedit, Pro Bowling, Downhill, Blackjack Casino, DSEMBLER, T: A Text Display Device, Dog Daze, Memory Match, Attank!, Insomnia (A Sound Editor), Enhancements To Graph-It, Astrology,
    Weekly Planner, Family Cash Flow, Mathemetic-Tac-Toe, Ultimate Renumber Utility, Stereo 3-D Graphics Package, Solitaire, Source Code For Eastern
    Front (1941), Letterman, Number Blast, Advanced Musicsystem, Isopleth Map-Making Package, Keypad Controller, Family Budget, Speed-O-Disk, Starware, Instedit - Microsoft BASIC version, Midas Touch, Seven Card Stud, Rabbotz, Algicalc, Polycalc, Family Vehicle Expense, Frogmaster, Galahad And The Holy Grail, Cribbage, Mantis Boot Tape Development System, Math*UFO, Easygrader, Message Display Program, Snark Hunt, Calculus Demon, Mankala, Monkey Up A
    Tree, Deep Blue C Compiler, Game Show, Real Estate Cash Flow Analysis, Diskmenu, Quarxon, Yahtman, Microsailing, BASIC/XA, Melt-Down, Deep Blue Secrets, Magic Melody Box, I'm Different!, Air Raid!, Catterpiggle, Getaway!, Punctuation Put-On, Drawit, Dandy, Home Inventory, Circuit Lab, Bootleg, Smasher, Moon Marauder, Puzzler, Eastern Front Scenarios 1942 1943 1944, Eastern Front (1941) Scenario Editor, Ringmaster, Excalibur, Cartoonist, Bellum, Mastermatch, Weakon, Dog Daze Deluxe, Dragon's Quest or a Twist in
    the Tail, Character Fun, Bumpomov's Dogs, Envision, Gossip, Erg

    atariarchives.org Software Library (Kay Savetz) 2/26
    USA
    https://www.atariarchives.org/swlibrary/
    Vendor: exclusive software downloads: Simax Video Signmaker and Simax Picture Disks by Jack Bellis; SCREENS by Joseph J. Wrobel; Slime, Fort Apocalypse, and Dimension X by Steve Hales; Chicken, Nautilus, Protector II, and Shadow World by Mike Potter; Dragon's TAIL (Toolkit And Integrated
    Library) by Ed Churnside; Shark and OS/II by Matthew Stepka

    Atari Basics (John Zielke) 12/24 https://ataribasics.com/
    Publisher: Atari Insights (online newsletter, 2024- )

    Atari Bit Byter User Club e.V. (ABBUC) 12/24 Postfach 1030
    48481 Neuenkirchen
    Germany
    https://abbuc.de/
    Developer: software: Quick! (programming language), AMC programs,
    KE-Soft programs, Mirage software programs, programs of Ulf Petersen
    including LDS Freezer; LDS "C:" Simulator; Black Magic Composer
    Publisher: AMC-Soft Magazine, Quick magazines, ZONG reader disks (KE-Soft), diskline magazines, USER-Mags (Ulf Petersen)
    Repair Shop.

    AtariGiant 10/22
    2 Walford Road,
    Walford, Ross-On-Wye,
    HR9 5RX,
    United Kingdom
    https://atarigiant.com/
    Vendor: new/used hardware, new/used commercial software
    Repair Shop.

    Atari klub - spolek p+O|!znivc+> historick|- v|+po-ietn|! techniky 3/26
    Ji++n|! 333/17
    Olomouc
    783 01
    Czech Republic
    I-i: 028 01 329
    http://www.atariklub.cz/
    http://flop.atariportal.cz/
    Publisher: FLOP disk magazine (#69 published March 2026; Bohdan Milar, editor-in-chief)

    Atari Legacy 7/26 Poland
    https://atarilegacy.com/
    Publisher: Atari Legacy (quarterly print magazine), No.01 (Q2 2026)-

    Atarimax (Steven J. Tucker) 6/22
    USA
    tel: 216-577-8329
    https://www.atarimax.com/
    Developer: Atari Peripheral Emulator (APE) and ProSystem v3.0.2 for Windows (free download) or v.3.0.13 for registered users, APE & ProSystem 1.18
    for DOS/Win3/95/98, APE Warp+ OS 32-in-1 Switchless Upgrade (2 versions: XL/XE except 1200XL/XEGS; 1200XL), Imagic 1.06 versions for Windows or DOS (ATR/XFD/DCM/SCP conversion), Atari Terminal Simulator ATS 2.0 for Windows (ATASCII Telnet/Serial Terminal & Break Movie Player), Break Movie Screensaver for Windows, Maxflash 1mbit and 8mbit Flash Cartridges, Maxflash USB Cartridge Programmer, Maxflash Studio for Windows, SIO2PC/ProSystem Universal Interface (6 versions: USB Interface w/ SIO Jack or w/ Terminals; Serial Interface w/SIO Jack or w/Terminals; Dual Port USB Interface w/ SIO Connectors; Dual Port
    RS232 Interface w/ SIO Connectors), Atarimax MyIDE-II CompactFlash Cartridge, Atarimax/ABBUC USB Cartridge

    Atari Online News, Etc. 6/16
    See: Dana P. Jacobson

    The Atari Shop (Sandra) 4/16 Netherlands
    http://www.atari-shop.nl/
    Vendor: new/used hardware, new/used commercial software

    Atari Super Bug Plus 8/26 Noah Fagerlie, Hunter Patchett, Andrew Link, Jason Truong https://github.com/Atari-Super-Bug-Plus
    Developer: Super Bug Recreation Capstone Project

    Fatih Ayg|+n (cyco130) 7/26 Lisbon
    Portugal
    https://github.com/cyco130
    https://sourceforge.net/u/cyco130/profile/
    Developer: Atari 8-bit graphics drivers for CC65 TGI library (2009),
    AspeQt (cross-platform Atari 8-bit peripheral emulator- to 2009),
    Sfotty Pie (set of tools related to the 6502, including a web-based Atari
    8-bit emulator and a set of NPM packages)

    ------------------------------

    Subject: B

    B & C ComputerVisions (Bruce Carso) 12/24 5917 Stope Way
    El Dorado CA 95623-4716
    USA
    tel: (530) 295-9270 11:00 AM to 4:00 PM Monday to Friday (Pacific Time) https://www.myatari.com/
    Vendor: new/used hardware, commercial/PD/freeware/shareware

    Eric Bacher 5/16
    See also: James Wilkinson
    https://sourceforge.net/u/ebiguy/
    Developer: Dis6502 2.2 (Interactive 6502 Disassembler for Win32,
    designed to specifically support Atari binary files; Win32 Port - 2005 by
    James Wilkinson), MakeMenu 1.3 (AtariMax cartridge front-end)

    Matthew Bacon 7/16 United Kingdom
    http://www.myatari.net/
    Publisher: MyAtari online magazine (published October 2000 - February 2005)

    BackBit 10/23
    USA
    https://store.backbit.io/
    Developer: BackBit Pro Cartridge (universal instant loading cartridge capable of interfacing with multiple vintage computers via system-specific adapters, including: Atari 400/800/XL/XE), Chip Tester Pro V2,
    DIY CartRip (for Chip Tester), BackBit Pro Cartridge Adapter


    BAHA Software (BAKTRA Software and HardCore) 10/22
    See also: BAKTRA Software
    Czech Republic
    https://baktra.wz.cz/baha-software/
    Developer: HardCore Music Box 1, HardCore Music Box 2, Bugs Fight M4, Rozstrel M4, Kde Domov Muj M4, Chcete Byt Milionarem II, Shootout 2 M4,
    Kostky M8, Yahtzee M8, Train 3, Train 2, Train

    BAKTRA Software (Michael Kalou+i) 7/26
    See also: BAHA Software
    Czech Republic
    https://baktra.wz.cz/
    https://sourceforge.net/u/baktrasf/profile/
    https://github.com/baktragh
    Developer: TURGEN 9.4.4 for Java (create Atari tapes). utilities for TURGEN: XEX2CAS 2.6.3 (Windows, GNU/Linux, and more), CAS2Audio 1.0.4 for Android (play back tape images), Turbo Decoder 1.0.1 for Java (interactive program for decoding Atari turbo cassette tapes), DOS 2 Binary File Checker (D2BFC) 1.5 for Java, DTX Manager 1.5 for Java, Cassette Tools. games:
    Caverns of the Lost Miner, Curse of The Lost Miner. Turbo 2000 Copiers and Tools: ChainCopy (Cassette > RAM > cassette), COPY T/H (copies files to the
    H1: host device), BACKUP T/D (tape preservation toolkit). ATR1PRNT for Java (ATR disk image dumping tool). mmSAP 3.0.3 for Windows and Linux (based on ASAP library; also loads RMT,TMC,TM2,MPT,CMC files directly)

    Richard Bannister 6/22 Dublin
    Ireland
    https://www.bannister.org/
    Developer: Rainbow v1.6.0 (May 1st, 2021) - Atari 800 Series Emulator for Mac OS X, Emulator Enhancer v3.1.1

    BartGo 12/24 https://github.com/BartGo
    Developer: "Poznajemy Forth" / "We get to know Forth",
    lapacz (game for VolksForth),
    forth-atari (programs and code snippets for APX Extended Fig-Forth)

    Barts Elektronica 8/25
    The Netherlands
    https://www.chat64.nl/
    Developer: Chat64 for Atari 800XL

    BDB Project 3/26 https://bdb-project.itch.io/
    https://itch.io/profile/bdb-project
    Developer: Desperados, Tin Star, Wild West, Caribbean Treasure,
    Unknown Dimension, The Wrath of Anubis, The Horror of Goldmine City,
    The Seeds of Evil, Homo Sapiens

    Anthony Beaucamp (8bit-Dude) 2/21 Kyoto, Japan
    https://github.com/8bit-Dude
    http://8bit-unity.com/
    http://8bit-slicks.com/
    Developer: 8bit-Unity (game development kit), 8bit-Studio (3D modelling software), 8bit-Hub (open source hardware), 8bit-Slicks (game - Dragon Cart optional version or #FujiNet optional version), 8bit-OS, 8bit-Web

    Brian Berlin 2/20 http://kat5200.jillybunch.com/
    Developer: kat5200 0.8.1 (1/1/18) -- Atari 5200 and 8-bit computers emulator for Win32 PC, Mac OS X, or Linux/Unix

    Dave Bernazzani (llabnip / wavemotion-dave) 3/25 https://github.com/wavemotion-dave
    Developer: A8DS V4.2 (01-Feb-2025) - port of Atari800 emulator for the Nintendo DS/DSi

    Best Electronics (Brad Koda) 9/17
    672 Commercial St
    San Jose CA 95112-1406
    USA
    Telephone: (408) 278-1070 (M-F 1:30pm to 5:00pm PST)
    E-FAX: (815) 364-3703
    https://www.best-electronics-ca.com/
    Vendor: new hardware, commercial software
    Developer: "XE" Touch keyboard upgrade for XE computers, Best Light Gun, Best Gold CX40 Joystick PCB, Atari CX40 Joystick Rebuild Kit with Atari Upgraded CX40 Handle and Best Gold CX40 PCB, Atari CX40 Joysticks upgraded
    with the Best Gold CX40 PCB, Atari Jaguar Power Pad to Other Atari Systems Adapter Cable, Sega Genesis Controllers To Atari Systems Adapter Cable,
    CX30 Replacement S5 Super Paddle Pot, 800 Dust Cover, 600XL Dust Cover,
    800XL Dust Cover, 60XE/130XE Dust Cover, XE Keyboard Mylar, XE "Mega Touch" Keyboard Springs, Auto Switching TV Switch Box kit for XE Game System,
    CX24 Joystick Gold Board set , Atari CX24 Joystick with Best Gold Board Set, Copmposite Video Cable

    Big Five Software (Bill Hogue, Jeff Konyu, Curtis Mikolyski) 5/15
    USA
    http://www.bigfivesoftware.com/
    Developer: Miner 2049er and Bounty Bob Strikes Back! Emulator for PC

    BITS (SOLO)(Herman Samso J.) 2/26 http://bits.atari.org/ or http://thebitsclub.tripod.com/
    Developer: tools & utilities: #1000 (20080312), #1600 (20150424).
    intros & demos: #1502 (20080314), #1503 (20100607), #1504 (20110326),
    #1505 (20110317), #1506 (20110617), #1507 (20120319), #1508 (20120616),
    #1509 (20250313)

    Wojciech Bocia+aski (Bocianu/Tristesse) 2/26 Poland
    https://bocianu.atari.pl/ https://gitlab.com/bocianu
    Developer: games: Pac Mad, The Game of Zilch, Just Pong, Pop'n'Drop [WIP], Mister Hoppe, Jaskinia City Quest, Stary Dom, ChessNet, Dirt Track Speedway, FloB, The Hangmad, Rogul. tools: convert.py, asm2rle.py, Pac Mad Editor, pasdoc, BLIBS, MadStrap, CutAs, ARTur, FiDL, FujiNet Weather, SprEd, FujiNews, FiSheye Server & FiSh Client (Fujinet Interface Shell), TileT (a browser-based map editor)

    Derrick Bommarito (DBomm; negentropicdev) 8/26 Tehachapi CA
    USA
    https://github.com/illuminated-g
    Developer: atari_asm_moon (space company strategy game)

    Dan Boris 11/15
    USA
    http://www.atarihq.com/danb/atari8bit.shtml
    Developer: Atari Disk Explorer for Windows XP or greater Microsoft .NET Framework 2.0 (Supports XFD and ATR disk image formats)

    Bo+itjan Grandovec 12/24 Pot na Jo+ita 27
    4000 Kranj
    Slovenia
    https://bostjan-grandovec.si/
    Developer: Pantheon 14.620 multi-emulator for Windows, supports 2,536
    games for the 8-bit Atari

    The Brewing Academy (TBA) (Dan Ringer) 7/26
    75 Mill St
    Framingham MA 01701-4731
    USA
    tel: 609-827-6295
    https://thebrewingacademy.com/
    Vendor: new hardware

    Lyren Brown (Xuel) 12/20
    USA
    https://github.com/lybrown https://lybrown.github.io/fujiconvert/
    Developer: Atari Beaglebone Expansion project, palmovie (Atari 8-bit 160x120 16-color movie maker), RastaMovie (movie maker for RastaConverter), flickermovie (Atari 8-bit 160x240 16-color flicker movie maker), tiles (Tiled Side-Scroller Demo using PAL Blending), digi (Atari 8-bit digital sound), tiles512 (Tiled Side-Scroller Demo with 512 Characters), pi (Apple 6502 pi calculator ported to Atari), Cavern 10, chunkyflicker (Flicker Mode),
    drunkntsc (Drunk Chessboard NTSC), vim-xasm (VIM Syntax Highlighting for
    XASM), Deluxe Invaders Shot Sound Hack, Boot Cassette Maker Fix, dis - Statically Tracing 6502 Disassembler, FujiConvert v0.3.3 (Convert media to various Atari 8-bit formats)

    ------------------------------

    Subject: C

    Sidney Cadot 11/24 Delft
    The Netherlands
    https://github.com/sidneycadot
    Developer: Atari8bit_StarRaiders (reverse engineering of Star Raiders), Atari8bit_OSB-NTSC-ROM (reverse engineered Atari OS ROM images),
    sam (Reverse engineering SAM and Reciter (Atari 8-bit speech synthesizer)

    Mario Caillahuz ("Allas") 2/21 Lima
    Peru
    http://atari.limitevisual.com/
    Developer: Jewel Bits, Animal Party, MULE Wars, Plague Attack,
    Voyage to Home, Accion

    Paul D. Carlson 8/26 https://github.com/paul-d-carlson
    Developer: attn/atari rCo Paper Tape Is All You Need, Multi-Layer Perceptron for Atari 8-bit, Atari Hopfield

    Eric Carr (EricCarrGH, The Car) 7/26 Minnesota
    USA
    https://github.com/EricCarrGH
    Developer: FastBasic VSCode Starter Project (Atari FastBasic project for Visual Studio Code), BASIC Projects, Atari Source Render, atarisio-tools-1.0, FastBasic Debugger. for FujiNet Game System: Five Card Stud, Fujitzee,
    Fuji Battleships

    CBMSTUFF.COM (Jim Drew) 2/26 1642 McCulloch Blvd N PMB 394
    Lake Havasu City AZ 86403-0961
    USA
    https://www.cbmstuff.com/
    Developer: SuperCard Pro (for PC) -- make backup copies of 5.25" or 3.5" floppy disks (including any Atari disk) directly to another disk, or store
    the data as a flux image file (.scp)

    cc65 community 7/21
    See also: Piotr Fusik
    https://github.com/cc65/
    Developer: cc65 - a freeware C compiler for 6502 based systems,
    IP65 - a TCP/IP stack for 6502 based computers which includes TCP/IP libraries and several TCP/IP programs: Date65, Telnet65, Tweet65 (IP65 supports the Dragon Cart and the Dracarys Ethernet devices for the Atari)

    cepetr 8/25 https://github.com/cepetr
    Developer: sio2flip (Atari SIO Peripheral Emulator for Flipper Zero), sio2flip bootloader

    Itay Chamiel 7/25 Jerusalem
    Israel
    https://github.com/itaych
    Developer: Ice-T XE (telecommunications software) v2.8.2 (July 13, 2025)

    Gray Chang 12/24
    USA
    https://ataridogdaze.com/
    Developer: Dog Daze, Claim Jumper, Dog Daze Deluxe, Bumpomov's Dogs

    Thomas Cherryhomes 7/26
    USA
    https://www.irata.online/
    Developer: PLATOTerm 1.0 (disk) or PLATOTerm Lite 1.3 (cartridge) -
    terminal emulator for PLATO/CYBIS systems such as IRATA.ONLINE and CYBER1.ORG. for FujiNet Game System: Reversi

    Rafal BOBER Ciepiela 6/22 Poland
    https://sourceforge.net/projects/atari8/ or https://atari8.sourceforge.net/
    Developer: Franny 1.1.3 (ATR disk image editor), Yvonne 1.0 (Atari picture viewer), ZooEY 1.4 (6502 crossassembler compatible with Quick Assembler)

    Classic Computer Magazine Archive (Kevin Savetz) 12/24
    USA
    https://www.atarimagazines.com/
    Publisher: authorized digitized editions of: Antic (all 88 issues), STart (all 42 issues including the 8 that incorporated Antic), Creative Computing
    (35 issues), A.N.A.L.O.G. (10 issues), Compute! (98 issues), Creative
    Computing Video & Arcade Games (both issues), Hi-Res (all 4 issues), ROM (all 10 issues)

    Cloud-9 (Mark Marlette) 6/22 3749 County Road 30 SE
    Delano MN 55328-8137
    USA
    http://www.cloud9tech.com/
    Vendor: Liber809 (Motorola 6809 microprocessor upgrade for the Atari 800XL/1200XL/130XE, allows the Atari to run the NitrOS-9 operating system)

    Brad Colbert 6/26 https://github.com/brad-colbert
    Developer: YAIL (Yet Another Image Loader) and YAIL FujiNet server/backend, ATank, EDGE (Modern C++ Game Engine for 6502-Class Machines)

    Computer-Magazin-Archiv (Matthias Jaap) 12/24 Germany
    https://www.stcarchiv.de/
    Publisher: authorized digitized editions of: Happy Computer (1984-1990), ATARImagazin (1987-1989), Computer-Kontakt (1985-1987)

    Computer Software Services (CSS) 7/16
    See: NLE Computer Software Services (New Life Electronics CSS)

    Console5 (Luke Sandel) 11/24 Michigan
    USA
    https://console5.com/
    Vendor: new hardware, commercial software

    Nick Coplin 6/22 Perth, Western Australia
    Australia
    https://www.64hdd.com/
    Developer: 64JPX - JoyPad eXpander (connect Sega MegaDrive/Genesis,
    Nintendo SNES/NES joypads, and/or DB15 type PC controllers to the Atari)

    COREi64 (Thomas Christoph) 11/23 Spruce Grove, Alberta
    Canada
    https://corei64.com/
    Vendor: various 3D printed cases, 8K/16K Pixels Past Cartridge Bare Board, Super SpartaDOS X Cartridge

    Cosine 12/24 T.M.R (programming, graphics), Sack (music), Bex/Slipstream (music),
    aNdy (music), Miker (music), Der Luchs (music), Odie (music)
    United Kingdom
    https://www.cosine-systems.com/cosine/
    Developer: C.G.M. UKScene Radio intro (30th August 2003),
    1K Party demo (21st March 2004), Reaxion game (31st December 2005),
    Greetz0rz demo (18th March 2012), BrainPower demo (24th April 2012),
    Callisto game (28th October 2012), Battle Eagle game (27th October 2013),
    Lunar Blitz game (January 2014), 15 Shades of Grey demo (15th March 2014),
    15 Hues demo (16th March 2014), Inc Year demo (1st January 2015),
    MD201601 demo (1st January 2016), MD201701 demo (1st January 2017),
    Blok Copy game (1st January 2018), DYCP 2018 demo (1st January 2018)

    Preston Crow 1/24 Ashland MA
    USA
    https://www.crowcastle.net/preston/atari/ https://github.com/pcrow/atari_8bit_utils
    Developer: ATRFS (mount an ATR image as a native file system in Linux), SIO2Linux (similar to SIO2PC, but for Linux), Binary load file analyzer,
    BASIC analyzer, Disk image format conversions: atr2unix unix2atr dcmtoatr,
    Disk manager (Atari-side sector editor and more), MyDOS Binary Load Menu,
    6502 disassember (focusing on Atari code)

    Jorge Cwik 1/18 http://www.fxatari.com/
    Developer: VAPI Atari 8-bits Imaging & Preservation format (.ATX) and
    tools: Patched Emulator (based on Atari800Win PLus 4.0 Beta 3) +
    VAPI DLL 0.3a, VAPI2SIO (SIO2PC for VAPI) 0.2a

    ------------------------------

    Subject: D

    Jakub 'Ilmenit' D-Obski 8/26
    See also: Adam Is Me developers
    https://github.com/ilmenit/
    https://ilmenit.github.io/
    https://lobby.atari.org.pl/
    https://ilmenit.itch.io/
    Developer: Adam Is Me, Unity8b, POKEY Audio Compressor & VQ Converter,
    POKEY VQ Tracker, Pokey Stream Player V2, AltirraSDL (cross-platform fork of Altirra), RastaConverter, AltirraSDL Lobby (Altirra Atari emulator, in your browser, with multiplayer), atari-800-skills (SKILLS.md for AI agents about Atari XL/XE), Delete Me Hard

    Rudy Delvaux (Dearhorse from Shadow Team) 4/16 France
    http://ataritools.fr.gd/
    Developer: AtariTools-800 0.6.5 (CHAR-Edit + SCREEN-Editor + PM-Editor + GR-Editor + TTF ATARI Fonts + 4 PDF docs + samples for the 4 tools)

    Device Side Data 3/21 11100 Sepulveda Blvd # 6502
    Mission Hills CA 91345-1131
    USA
    (888)675-3638
    Customer service hours: All day, Monday through Friday, by email only http://www.deviceside.com/
    Developer: FC5025 (USB 5.25" floppy controller for Linux/Mac/Windows computers - can read Atari 810 disk type)

    DGS (Dean Garraghty Software) 5/15 United Kingdom
    http://www.dgs.clara.co.uk/
    Vendor: commercial/PD/freeware/shareware: DGS Atari 8-bit Software Pack Commercial Software Collection, containing:
    - The Quick programming language V2.2 and V2.1 with 2 support disks
    - Screen Aided Management (SAM) v1.25i 80-col desktop system with Budget
    spreadsheet, Designer DTP package, and Extra Utilities
    - 4 PPP Games: Bombi, Rubberball, Glaggs It!, and Minesweeper
    - Quick Ed (a character set editor for ST-compatible mouse, joystick, or
    Atari touch tablet)
    - Digi-Studio digitized sounds/music package
    - Issues 1-14 of the DGS News-Disk disk-based magazine
    - Issues 15-19 of the DGS News-Paper printed magazine (scans of the original
    mags)
    - Issues 20-26 of the DGS News-Paper-on-disk on-disk magazine
    - News-Paper Yearly disk (to go with the News-Paper magazine - includes lots
    of Quick source code)
    - Print-Filer from Rambit
    - Bonus Software: MyDOS 4.5, Discomm32, UTIL (PC utility to read/write 180K
    MyDOS Atari disks)
    Also offered via email: Quick Programming Language, Print-Filer from Rambit, Alien Blast, RubberBall, Glaggs It!, Bombi, Minesweeper, PPP Games Pack
    File Transfer Service: transfers files between Atari and PC

    DigitalDinos (Thomas McLaren) 3/21
    PO Box 472
    Mentor OH 44061-0472
    USA
    440-709-6072
    http://www.digitaldinos.com/
    https://www.ebay.com/str/digitaldinos
    https://digitaldinos.ecrater.com/
    Vendor: used hardware, used commercial software

    Digital Force (Mario Trams) 4/16 Germany
    http://www.digital-force.net/
    Developer: HyperSpeed XL/XE (public domain hardware project-- a
    65C816 Processor Extension for the ATARI XL/XE)

    Andy Diller (massiverobot) 8/26 Philadelphia PA
    USA
    https://www.atariorbit.org/
    https://massiverobot.itch.io/
    http://fujinet.diller.org/
    Developer: Atari Party Panic, PocketFuji (Atari + FujiNet on iPhone), KillZone, Texas Hold 'Em

    Florian Dingler (Flo) 1/18 Germany
    http://www.akk.org/~flo/
    Developer: Sheeprace (for MultiJoy interface, Aug 2002), CardGrabber
    (for MultiJoy interface, May-Aug 2002), Peripheral Test 2.0 (Hardwaretester) (Dec.2008)

    DLT Ltd. (Draco, Lizard, Trub, Innuendo, GoodByteXL) 12/24
    See also: Konrad M. Kokoszkiewicz
    See also: trub
    Poland
    http://sdx.atari8.info/ or http://spartados.com or http://spartadosx.com
    Developer: SpartaDOS X 4.50 (23 Dec. 2024), SDX Toolkit (23 Dec. 2024).
    SDX Add-ons: SDX Imager online (beta), SDX Imager 3.1.3 for Windows, SDX
    Imager 3.1.2 for Windows, SDX Imager 3.0.8 for Windows, SDX2Atrax converter
    for Windows, MUXTIME (SDX version), Emu-pack v.0.2, S2I (a SIO2IDE-specific tool), S2S (a SIO2SD-specific tool), MNT (a KMK/J++ IDE 1.0 / IDEa specific tool)

    drunkeneye 11/24 Ruhrpott, Germany
    https://github.com/drunkeneye
    Developer: MAFIA 1.12 - a game originally by Igelsoft, ported to Atari
    8-bit by drunkeneye, +Adam+ and Miker

    Duckology ( EdwardianDuck / Jeremy ) 5/15 United Kingdom
    http://duckology.co.uk/code/
    Developer: Sudoku Solver Version 0.3 (10 February 2015)

    Krzysztof Dudek (xxl) 6/22 Poland
    https://xxl.atari.pl/
    Developer: programs: xBIOS, xBootDOS, SlightSID Player, CompoFiller.
    games: Apple Invaders, Chopin2010, DeathChase XE, Flowers Mania, Galaxian, Gravity Worms, Hobgoblin, Isora, Jet Set Willy 2007, Jetboy, Knight Lore,
    Loops DX, Loops of Zen, MazezaM, MiniCHESS, Minotaur 16K,
    Night Driver Arcade, Nightshade, Scorpions, Scorpions v2.0, Sudoku,
    Sudoku Sweep, The Nutty Professor, The Udders. 1-BIT Music: Beep'em All.
    code: LZ4 decompressor (with fox), aPLib decompressor,
    Shrinkler decompressor (with fox), ZX0 decompressor, ZX5 decompressor,
    ZX7 decompressor, PackFire decompressor, BitBuster decompressor,
    ARJ4 decompressor (with Konop, Rastan), AKYPlayer (Player procedure for Arkos Tracker 2 editor), xSFX Engine.

    ------------------------------

    Subject: E

    Edladdin Controllers (Ed Kelly) 2/17
    PO Box 987
    Athens GA 30603-0987
    USA
    http://edladdin.com/
    Developer: Super 78, Super Twin 78, Supreme 78: All-Play 4/8,
    Supreme 78: All-Leaf, Game Controller Extension Cord

    Benj Edwards 8/26 https://github.com/benj-edwards
    Developer: Atari800-AI: fork of Atari800 Emulator with AI Interface

    Robin Edwards (electrotrains) 7/24 Scotland
    https://github.com/robinhedwards
    Developer: Ultimate Cart project, UnoCart project, A8PicoCart project (UnoCart on a Raspberry Pi Pico clone)

    Gene Ehrich - "Computer & Video Game Garage Sale" 4/16
    PO Box 3365
    Spring Hill FL 34611-3365
    USA
    http://ehrich.com/
    Vendor: used hardware, used commercial software

    Eight Bit Fix (Paul Westphal) 1/15 Portland, OR
    USA
    http://www.eightbitfix.com/
    Vendor: hardware, new/used commercial software
    Repair shop.

    Emulators.com (Derek Mihocka) 10/18 14150 NE 20th St Ste 302
    Bellevue WA 98007-3700
    USA
    http://www.emulators.com/
    Developer: Gemulator 9.0 Community Release - Atari 800 and Atari ST emulator for Microsoft Windows (November 30, 2008); Gemulator 2000 version 8.03 - Atari 8-bit, Atari ST, and Apple Macintosh Plus emulator for Windows (May 9, 2001); Xformer 2000 version 8 - Atari 8-bit emulator for Microsoft Windows
    (November 7, 2000); PC Xformer Classic 3.8 - Atari 8-bit emulator for MS-DOS (Dec. 8, 1998); ST Xformer 3.0 - Atari 8-bit emulator for Atari ST
    (Dec. 8, 1998); Xformer 10 - Atari 8-bit emulator for Windows 10 (10-10-2018)

    Raphael Espino 9/17 United Kingdom
    http://rjespino.atari.org/ or http://rjespino.tripod.com/atari.html
    Developer: Ramdrive v1.0 (DOS-independent ramdisk utility), Atari 8-bit
    JPEG Viewers: a8jdpeg 0.8 (14Sep02) "The original Atari 8-bit interface", JpegView 0.9 (17Oct03) "A friendlier menu oriented version of a8jdpeg", JpegShow 0.1 (07Aug01) "A slideshow version",
    CpegView 0.5 (18Aug07) "The colour JPEG viewer for Atari 8-bit computers"

    Excel (Robert Stuart) 4/20 Scotland
    United Kingdom
    http://excel-retro-mag.co.uk/
    Publisher: Xcel disk magazine #1-23 (1991-1993); print magazine 2016-

    ------------------------------

    Subject: F

    Fandal (Frantisek Houra) 5/23 Czech Republic
    https://a8.fandal.cz/stuff.php
    Developer: Sturbon Intro, FreeCellXE, TriPeaksXE, HexxagonXE, Astro Road, Cubico, The Storm, A Tribute to Quorthon, Bombex, The Steam Train,
    Astro4 Road, Mysterion Preview, Mind Blast, Outlaw, Swapz,
    Who Lost the Wallet?, Space Arena, Pokey Demo, Music Disk Stereo Edition, MJ-R.I.P., Diamondz, Prototype, Milk Nuts v.1.11, Mashed Turtles,
    Oilgame Deluxe, Deflektor Editor, Mahjong XE, Rubacka vo kopec,
    Space Arena M4, Tajemny amulet, Broad's Revenge, Jezkovy voci, Muxeso,
    Ate'em All, Diamondz 2, Crescent Solitaire, Fruity Pete, multi10,
    Letter Scrabble, Diamondz 3, Jatari, Bunny Hop, onEscape, Tupouni

    Piers Finlayson 6/26 United Kingdom
    https://piers.rocks/ https://onerom.org/
    Developer: One ROM (generalized ROM emulation/chip substitution)

    Wolfram Fischer (Mega-Hz) 6/20 Germany
    http://www.mega-hz.de/
    Vendor: SIO2IDE, SIO2SD rev.1, SIO2SD rev.2, SIO2SD rev.3, SIO2PC
    Developer: ASCB (ABBUC SIO Connector Board), mega-mem, Stereo Prototyp 2008, Stereo Small 2010, MEGAMAX Modul, Atari Quarz 14.18757 Mhz,
    512K Speichererweiterung, THE!CART Multi-Mode Cartridge (128MB Flash and
    512KB SRAM)

    FLOP disk magazine 7/20
    See: Atari klub

    Fly Software (Peter Svoboda) 6/22 Czech Republic
    http://fly.atari.org/ or https://atari.panprase.cz/
    Developer: Antiseno 2008cz, Day After One, Demo 2001,
    DR. Sparkz_A.B.B.U.C version, Gangsters 2007, Gangsters Intro,
    Indiana Jones 3 aneb Tajemstvi Svateho Gralu,
    Indiana Jones a zlata soska keltu, Kolony 2106, Kolony cz, Logik,
    Maturita 2001, Mesta CR, Mesta SR, Milk Nuts, No Name, Podraz 2001,
    Pomsta Sileneho Hulice, Robbo after 20 years v1.1, Robbo after 30 years, Ruleta, Rychle Sipy 2012 aneb Zahada hlavolamu, Sniper, Sniper 2007,
    Sniper Intro, Stary dum, Strategi, Textovky, V.U. 5259 aneb Utek z Hejcina, V.U. 5259 aneb Utek z Hejcina intro, Vietnamska Mise

    Keir Fraser 4/19 Cambridge, UK
    https://github.com/keirf
    Developer: FlashFloppy (Floppy drive emulator for Gotek hardware) --
    Image formats supported include .ATR (Atari 8-bit)

    Markus Fritze (sarnau) 10/23 Hamburg, Germany
    https://github.com/sarnau/Atari8BitGhidra
    Developer: Atari 8-Bit Ghidra Loader for various file formats

    Joseph Freeston (snorklerjoe) 12/24
    USA
    https://github.com/snorklerjoe
    Developer: atari8-ham-terminal (serial terminal program for amateur radio)

    FujiNet Computer Network Adapter Project 7/26 https://fujinet.online/
    https://github.com/FujiNetWIFI
    Developer: FujiNet multi-peripheral emulator and WiFi network device project and associated software, including: FujiNet Firmware 1.6.1

    Piotr Fusik ("0xF", "Fox") 12/23
    See also: ASAP - Another Slight Atari Player developers
    See also: ASMA - Atari SAP Music Archive developers
    See also: Atari800 Emulator Developers
    See also: cc65 community
    See also: Numen developers
    See also: RECOIL (Retro Computer Image Library) developers
    See also: Yoomp! developers
    Poland
    https://github.com/pfusik
    https://fusik.info/piotr/
    Developer: Bumpong (Pong version based on the bump mapping effect), Mahna-Malysz (4k game), Silly Venture 2014 Atari XL/XE Invitation,
    Fifty Shades of Grey (demo), COINV-20 (combined invitation for Lost Party
    and Silly Venture), Korporazka (32-byte intro), 6502 unShrinkler, esctime (256-byte intro), Numen (demo, 2016 version), Look Around (One kilobyte
    intro), xasm 3.2.1 (2022-12-08; a 6502 cross-assembler with original syntax extensions; by default it generates binaries for Atari 8-bit computers)

    The Future was 8bit Ltd. 4/20 United Kingdom
    https://www.thefuturewas8bit.com/ or http://TFW8b.com
    Developer: Joystick Port Extension Cable, Rodman Special Edition,
    Composite Video/Audio Cable, 9PIN D type Joystick Port Socket

    FutureVision Research (Brian Cox) 7/24
    USA
    https://www.fvresearch.com/
    Vendor: new hardware (electronics and coding kits, extra supplies,
    learn to solder kits)
    Developer: FujiNet for Atari 8-Bit

    ------------------------------

    Subject: G

    Micha+e Gali+aski (gitGalu) 8/26 Gdynia
    Poland
    https://github.com/gitGalu
    Developer: XEmu65 (experimental emulator of Atari 8-bit computers for Android phones), vme-joy-interface (ESP32-based Atari Joystick to USB
    Keyboard Adapter for use with VM/E on modern devices),
    8bitworkshop MCP Server (Headless Atari 800 emulator MCP Server)

    Galtron 1/26 Przemys+eaw Galanciak
    Gda+aska 148
    90-536 +U||d+|
    Poland
    https://www.galtron.pl/
    Vendor: commercial software
    Developer: RAM Cart, Atari Super Turbo Cartridge, Turbo Top Drive for 1050, Turbo UM for Atari program recorders
    Repair shop.

    Paulo Garcia (pedgarcia) (PauLowRes) 7/26 Canada
    https://github.com/pedgarcia
    https://8bitrelics.com/
    Developer: Atari OSS Action! syntax highlighting for Visual Studio Code, Tection! (Tetris-like game made with OSS Action! language),
    Fujisan v2.0.4 (Cross-platform Atari 8-bit Emulator based on Atari800)

    David Given 1/24 Zurich
    Switzerland
    https://cowlark.com/
    Developer: CP/M-65 (native port of the CP/M operating system to the 6502, running on systems including the 8-bit Atari)

    GMG 11/21 Robert 'Globe' Pecnik, Marek 'Marco' Chorvat, Marian 'Goldmaster' Vybostok https://atari8.dev/
    Developer: Final Assault

    Krzysztof "Vega" G||ra 2/26 Poland
    https://vega.atari.pl/
    Developer: (all game conversions for the Atari) Yie Ar Kung-Fu, Bomb Jack, Cyborg Warriors, Mikie, Bubble Bobble, Street Fighter II, Barbarian

    Bostjan Gorisek (Firemover, Firemover/Diomedes, Gury) 12/21 Slovenia
    http://gury.atari8.info/ https://github.com/Gury8 http://zxgury.epizy.com/a8/effectus/
    Developer: PC software: Mad Studio 1.2.4, Effectus 0.5.3, AtGr3.
    Atari native games and tools: Slovenian Quiz, Stupid Kangaroo, Wolves,
    Slo-Quiz 4K, Don't Angry 5K, Air Threat, Sprite Engine, Title Studio GR15, Parachute

    Mark Grebe 2/26
    See also: Atari800 Emulator Developers
    USA
    https://www.atarimac.com/ or https://github.com/atarimacosx
    Developer: Sio2OSX 2.1.2 (2020-05-25; variation of APE or SIO2PC for
    Mac OS X), SIO Breakout Board project, Atari800MacX 6.2.5 (2026-07-21;
    version of Atari800 emulator for Mac OS X)

    -=GRH=- (GRHOnline) 11/24 https://github.com/GRHOnline
    Developer: Mono8bitmap - convert font data for Atari 8 bit (probably
    others too) - raw data, monochrome bitmap and assembler code

    Christian Groessler 2/21
    See Also: Atari800 Emulator Developers
    Germany
    http://www.groessler.org/a800dc/
    Developer: Atari800DC 0.78 (Atari800 emulator for SEGA Dreamcast)

    Grumpy Bob's Emporium (Raymond Voegele) 11/24 2915 N. Center St.
    Maryville IL 62062
    USA
    618-288-3491
    https://grumpybobsonline.com/collections/atari-400-800-xl-xe
    Vendor: used commercial software

    ------------------------------

    Subject: H

    Hafner Enterprises 1/19 http://2600-daptor.com/
    Developer: 2600-daptor, 2600-daptor II, Vision-daptor, 2600-daptor D9
    (use standard 8-bit Atari joystick/driving/paddle controllers on modern
    devices via USB)

    HanJammer 7/26 Poland
    https://github.com/HanJammer
    Developer: avi2atari (Python tool for converting video files into the AVF format used by Atari 8-bit computers), avfplayer (Python AVF video file
    (Atari Video Format) player for modern computers), 192p Test Suite, FujiGPT
    (AI chat client)

    Haplo 3/25 Sydney
    Australia
    https://h4plo.itch.io/
    Developer: Carcer, Shift, Unison

    Steve Hales 6/20 Palo Alto CA
    USA
    http://www.igorlabs.com/classic-games/
    Developer: Slime, Fort Apocalypse, Dimension X

    Jonathan Halliday (flashjazzcat, RIF Software, Atari8 Software) 6/21
    145 Wenlock Road
    South Shields
    Tyne & Wear
    NE34 9AL
    United Kingdom
    http://www.atari8.co.uk/
    Developer: Ultimate 1MB BIOS and SIDE Loader, Incognito BIOS and
    SIDE Loader, 1088XEL/1088XLD Ultimate 1MB Firmware, XEX Loader for SIDE and SIDE2, XEX Loader and U1MB firmware for SIDE3, SIDE Loader and SpartaDOS X for the AVG Cart. SIDE/SIDE2 Soft Drivers For SpartaDOS X; SIDE3 Soft Driver For SpartaDOS X; MyIDE/Flash, Internal MyIDE and MyIDE 2 Soft Drivers For
    SpartaDOS X; APT Hard Disk Toolkit. The Last Word (80-Column A8 Word Processor), GUI Project, UFlash (Ultimate / Incognito ROM editor and flasher).
    Repair Shop.

    Hasbro, Inc. 2/15 1027 Newport Ave
    Pawtucket RI 02861-2539
    USA
    tel: 401-431-TOYS (8697) http://www.hasbro.com/corporate/en_US/toy-game-instructions.cfm
    Developer: instructions for Parker Brothers Super Cobra (search: "atari")

    Frank G. Heuser 12/24 Germany
    http://www.asselheim.de/
    Developer: SIO-PC Interface (APE / SIO2PC compatible), 1050-PC Interface (ProSystem/SIO2PC compatible), BIOS Umschalter (OS Switch),
    PC Tastatur Interface (PC Keyboard Interface), MIDI Schnittstellen
    (MIDI Interfaces), Sprachbox (Voice board with phoneme-chip and software
    from Atari Magazin article), Zusatztasten F1-F4 (Additional Keys F1-F2,
    as on 1200XL), Monitorkabel universal (SCART - CHICH - KLINKEN),
    130XE RAMDISK 256kB (memory upgrade), other accessories

    HiassofT 10/22
    c/o Matthias Reichl
    Wolfgangerstr. 26
    A-4820 Bad Ischl
    Austria
    https://www.horus.com/~hias/atari/
    Developer: AtariSIO driver and utilities for Linux V0.30-221009 (package contains: a Linux kernel driver; atariserver disk drive emulator (similar to SIO2PC or APE); atarixfer - read/write ATR images to an Atari disk drive connected by a 1050-2-PC or ProSystem cable; adir, dir2atr, ataricom - tools for Atari disk images and executables), Atari Tools for Win32 V0.30-221009 (dir2atr, adir, and ataricom from AtariSIO package), AtariDsk V1.2 (read,
    write and format DD 180K Atari disks on the PC), WriteAtr V0.92b (2003-07-24; write double density ATR-images to Atari floppy disks on your PC; also create ATR-images of double density floppy disks), MyPicoDos V4.06 (2017-09-23; small "gamedos" that can read COM, EXE, BIN and BAS files; supports MYDOS subdirectories and large disks), MyIDE Tool V0.30 (2007-11-11; direct access
    to harddrives in MyIDE format on your Linux/Windows PC), Highspeed SIO patch for XL/XE OS and MyIDE OS V1.30 (2010-11-25; extends the SIO routine of the OS to support: Ultra speed ( Happy 1050, Speedy, SIO2PC, ...) up to 126kbit/sec, 1050 Turbo, XF551, and Warp speed (Happy 810) ), 512k SRAM extension for Atari XL/XE V1.3 (2010-12-14), Turbo Freezer XL/XE 2011, Turbo Freezer XL/XE 2005, SDrive Highspeed SIO firmware 2009-07-05 (for the SDrive by Raster / C.P.U.), The!Cart CPLD logic 2014-09-09, The!Cart flasher and cartmenu software 2017- 09-24, Mega Speedy CPLD logic and software V1.10 (20170923),
    DiskCart V1.30 (2020-10-04)

    Steve Hill 8/26 United Kingdom
    https://github.com/rachel-multiverse
    https://www.stevehill.xyz/projects/rachel/
    Developer: Rachel Atari 8-bit (client for Rachel card game)

    Peter Hinz 7/26 Cape Town
    South Africa
    https://github.com/CycoPH
    Developer: ATasm Altirra Bridge (write 6502, assemble, run and debug all in one), ATasm v1.30 (mostly Mac/65 compatible 6502 cross-assembler, based on version 1.x by Mark Schmelzenbach), piskel-atariExport (add export to Atari Player Missile format to Piskel sprite editor), rmt2atasm (Relocatable RMT player for atasm assembler), PokeyForge 1.4.0 (standalone Windows tool for auditioning, editing, and banking Atari RMT (.RTI) POKEY instruments)

    Rob Hogan (mwenge) 12/24 https://github.com/mwenge
    Developer: Llamasoft Source Code Project, including
    Attack of the Mutant Camels (1983) for Atari

    Frederik Holst (Phobotron) (Freetz) (fredlcore) 8/26 Germany
    https://github.com/fredlcore
    http://www.phobotron.de/
    Developer: MidiJoy project, MidiJoy 2 project, AtariDuino project, AtariWozMon (port of Steve Wozniak's WozMon for the Apple I), 1K-RainBox (game), ATASCOIID

    Tom Hudson 10/15
    USA
    http://analog.klanky.com/8bit.htm
    Developer: Planetary Defense 2012

    Stephen James Hurd (deuce) 9/16 http://sourceforge.net/projects/syncterm/ and http://www.syncterm.net/
    Developer: SyncTERM 1.0. A cross-platform ANSI-BBS terminal designed to connect to remote BBSs via telnet, rlogin, or SSH.
    Full Atari 8-bit ATASCII support.

    Jakub Husak 7/26
    See also: Adam Is Me developers
    See also: ASAP - Another Slight Atari Player developers
    See also: ASMA - Atari SAP Music Archive developers
    ul Asfaltowa 8a
    05-092 Lomianki
    Poland
    https://stepstick.pl/
    https://github.com/jhusak
    Developer: USBJoy - adapter for retro joysticks, Atari XL / XE 5V / 2A Huawei impulse power supply, Atari 2600 1.4A power supply, Atari 1200XL switching power supply, Switch-mode power supply for the Atari 1010 tape recorder, Atari CA-2001 / LDW Super 2000 repair kit, Atari Action! Compiler

    ------------------------------

    Subject: I

    iCode Software 8/21 https://www.ebay.com/str/icodesoftware
    Developer: Extension Cable for Atari / Commodore /Sega Joystick 6FT 9pin DB9 male to female; iCode Atari Joystick, Paddle, Driving to USB Adapter 2 ports 2600 7800 XE/XL/ST (plain, customizable, or customizable with LCD display versions); USB Adapter for 4 Atari 2600 7800 8bit Joystick, Paddles, Driving (plain or LCD & Buttons versions); Bluetooth Wireless Atari Joystick and
    Paddle Adapter - 2 DB9 Ports;

    IEC ("Innovative Electronics & Computing") 7/16 6185 E 56th Ave
    Commerce City CO 80022-3959
    USA
    Phone: +1-303-288-5000
    (USA) 800-765-4432 Mon-Fri, 8:00AM-6:00PM MT
    Fax: +1-303-288-5099
    http://www.iec-usa.com/ http://www.connectworld.net/cgi-bin/iec/05MCOlderAtari.html
    Developer: Atari Color Monitor Cable 5', Atari Monochrome Monitor Cable 5', Atari Color Monitor Cable With 2 RCA Plugs 5', Atari Monitor Cable With 2 RCA Plugs 5', Atari Lefty Joystick Adapter, Atari IF850 and IF860 Parallel Cable 6', Atari IF850 and IF860 Modem Cable 6', Atari IF850 and IF860 to Serial Printer Cable 6'

    idunmore (Torq) 8/26 https://github.com/idunmore
    Developer: Atari 8-bit Computer "Includes" for MADS, The Woebegone Trail, [A]tari [E]ight-bit [M]ulti-[T]ool - aemt, AtariTools (Font to Data Converter, Image to Font Converter)

    Sebastian Igielski (seban-slt / Seban/SLIGHT) 6/25
    See also: SIC! crew
    Poland
    https://slight.pl/
    https://github.com/seban-slt
    Developer: atari8_6502_code_examples, Weekend 3+ Cartridge software, TCX-Tools, Atari8BitBot - code examples, Code3 Tape Loader,
    Simple Cart Dumper, uno_cart_dumper, Anty *AJEK Copy v1.5, T2K Tools

    IK+ C64 to Atari 8-bit Conversion Project 6/20 (Pawel Rosowski, Tomasz Mazur)
    Poland
    http://uce.pl/ikplus/
    Developer: IK+ Build 0284 (October 2010)

    Inufuto 3/25 Japan
    http://inufuto.web.fc2.com/8bit/
    Developer: Mazy, Neuras, Ruptus, Battlot, CAVIT, Impetus, Bootskell, AERIAL, LIFT, ASCEND, Cacorm, GUNTUS, CRACKY, HOPMAN, Yewdow, AntiAir, OSOTOS, Mieyen

    Ingo (tuxie) 1/18 Germany
    http://www.mega-hz.de/Angebote/SIO2IDE33/SIO2IDE33.html
    Vendor: SIO2IDE 3.3

    ------------------------------

    Subject: J

    Jeff Jackson 5/15
    USA
    http://www.jeff-jackson.com
    Developer: JLS BASIC - Jackson Languange System BASIC compiler

    Ludovic Jacomme (Zx-81) 10/21 France
    http://zx81.zx81.free.fr/
    Developer: PSPAtari v1.1.3 (2/12/2008; port of Atari800 emulator for Sony PlayStation Portable), Wiz-ATARI v1.1.2 (9/29/2009; port of PSPAtari for GP2X Wiz), GP2X-Atari v.1.1.0 (10/4/2009; port of PSPAtari for GP2X), Dingux-Atari v1.1.0 (10/30/2009; port of PSPAtari for Dingoo/Dingux), Pandora-Atari v1.1.0 (8/4/2010; port of Wiz-Atari for Pandora), Caanoo-Atari v1.1.0 (12/29/2010; port of Atari800 for Caanoo), JXD-a5200 v1.1.0 (11/27/2013; port of Pandora- Atari for JXD)

    Holger Janz 2/25 Germany
    https://github.com/HolgerJanz
    Developer: RAMCART (Atari XL Ramdisk for The!Cart), RAMD14K (Atari XL Ramdisk using RAM hidden by OS ROM), RAMDISKU (Ramdisk Ultimate for
    SpartaDOS 3), RainbowFamily (demo), FujiNetToolsSpartaDOS (native SpartaDOS Tools for FujiNet), FastAssemblerAtariXLOS (FastAssembler compatible sources
    of Atari XL OS), Fast Assembler 1.8 (30-11-2023) (assembler for SpartaDOS X), VARIUS (game), BW-DOS 1.5 (2025-01-23) (SpartaDOS 3 compatible DOS for all Atari 8bit with at least 16k),

    Michael Jaskula (mike) 4/19 Germany
    http://www.mikej.de/
    Developer: Piekielko (Inferno), Tank VS Tank, Snowball, Wasteland

    JAY Software (Jan Krupka and Stanislav Opichal) 2/15 Czech Republic
    http://jaysoft.atari.org/ or http://phoenix.inf.upol.cz/~opichals/jay/
    Developer: Turbobasic DOS, Universal Hcopy, Title Maker, Disc Monitor for all densities (not complete version), Minesweeper for 8bit atari (not
    complete version)

    Shawn Jefferson 9/17 Victoria, BC
    Canada
    http://www.jeffersonsauctioneering.com/atari/
    Developer: MyIDE Config 4.0, MyIDE Image Manager 4.1,
    MyIDE Image Batcher 1.0

    Paul Jones (pjones1063) 8/26 Canada
    https://13leader.net/
    https://github.com/pjones1063
    Developer: atarixe tools: 130XE Extended Memory Tester, XE Joystick Tester), USB_to_RS232 Connector (usbModem), AspeQt-2k24, TNFS System Tray Edition, ModemBridge-2k26, AspeQt-2k26

    ------------------------------

    Subject: K

    Piotr D. Kaczorowski 3/26 Poland
    https://www.ebay.pl/usr/petertheatarian http://ftp.pigwa.net/stuff/projects/SAVO/
    https://github.com/peterkaczorowski
    Developer: Saturn Atari Video Output (SAVO): SAVO XE, SAVO XL, SAVO XEGS, SAVO 1200XL, SI5351 Configurations for Selected Frequencies Found in Atari 8-bit Computers, Main Clock and PAL Carrier Simulation for Atari 8-bit PAL Computers, Atari IC Service Labels, Fast BASIC interpreter, KiCad 8 symbols
    and footprints for cartridge and ECI ports, CARfs: filesystem tool for SpartaDOS X / Atarimax Flash images, ATRfs: Atari ATR disk image filesystem tool

    Cameron Kaiser 2/20 http://www.floodgap.com/retrotech/xa/
    Developer: xa (xa65) Version 2.3.10 (9 November 2019) (two-pass portable cross-assembler. It understands mnemonics and generates code for NMOS 6502s (such as 6502A, 6504, 6507, 6510, 7501, 8500, 8501, 8502 ...), CMOS 6502s (65C02 and Rockwell R65C02) and the 65816),
    dxa Version 0.1.4 (31 January 2019) (disassembler companion to xa)

    Pawel Kalinowski (Pirx) 7/26 Poland
    https://github.com/pkali
    Developer: no_internet, Turrican-II, Headache (SpartaDOS X game), NO-SIGNAL,
    poker8-bit, Chip-8 (Chip-8 and Superchip-8 emulator), Micro-SpartaDOS, fuj (FujiNet micro-loader), feudal-economy, Avery_Breakout, PyMads, Scorch (Scorched Earth clone), MadMads, omc65 - Our Macro Crossassembler for 6502,

    Akop Karapetyan 6/20 http://psp.akop.org/atari800
    Developer: Atari800 PSP version 2.1.0.1 (August 11, 2009; port of the Atari800 emulator version 2.1.0 to the Sony PlayStation Portable platform)

    Grzegorz "GienekP" Karpiel 12/24 Poland
    https://dcart.pl/
    https://www.pcbway.com/project/member/?bmbno=13349CB7-20E0-47
    Developer: DCart ($D5XX) cartridge project, GCart512kB cartridge project, SXEGS22V10 cartridge project

    Mark Keates (WrathchildMGK) 8/26 United Kingdom
    https://github.com/WrathchildMGK
    Developer: Revs, Wizardry 1

    Norbert Kehrer (Norbert's Emulators) 2/25 Germany
    https://norbertkehrer.github.io/
    Developer: Atari PDP-8 Emulator, Atari 800XL Asteroids Emulator,
    Galaga for the Atari 800XL, HP Calculator Emulators for the Atari 800XL,
    Sprint 1 for the Atari 800XL, Radar Rat Race for the Atari 800XL,
    Atari 800XL Centipede Emulator

    Nick Kennedy 9/17
    300 S Vancouver Ave
    Russellville AR 72801-5632
    USA
    http://pages.suddenlink.net/wa5bdu/
    Developer: SIO2PC 4.21 (Atari 8-bit to PC Interface) and 1050-2-PC (Atari Drive to PC Interface): software, hardware plans, cables, parts (not for Windows-XP), HAM Terminal for Atari, The WA5BDU Computer Keyer 1.5
    (morse code keyer program)

    Mika Keranen (Misfit) 4/20 https://misfit.itch.io/
    https://itch.io/profile/misfit
    http://www.riimukivi.net/
    Developer: Rodman

    Kermit83 7/26 Warsaw
    Poland
    https://github.com/Kermit83Lair
    Developer: TNFS Multitenant 0.2.1 for FujiNet

    Konrad M. Kokoszkiewicz (KMK / Draco / drac030) 6/25
    See also: DLT Ltd.
    See also: SIC! crew
    Poland
    http://drac030.krap.pl/ or http://drac030.atari8.info
    Developer: MultiBASIC v.0.37 (updated 9 IX 2015), CP/Emu (CP/M 2.2 emulator) 0.6 (3 V 2019), U-BASIC v.1.8.5 (7 Nov. 2020), SysInfo v.2.26 (18 III 2021), IDE Plus BIOS 2.0 (the BIOS update file + addons) (rev. 2 XI 2023), numerous patches to programs written by others, for the Antonia 4 MB board: Configuration and flashing tool v.1.7, Rapidus Firmware, 3D Starfield effect,
    A small demo: rotozoomer.pl, TurboIDE+, ELSA assembler v.1.02 (30 V 2025), Let's Emu! (ZX Spectrum emulator) v.1.0.2 (23 XII 2024),
    SIO2BSD v.1.24 (3 I 2025), RW-Test (13 IV 2025), EYE (18 VI 2023),
    RW-CRC (7 II 2023), Landscape, DEMON, 65C816 XL OS v.2.47 (22 IV 2025)

    Komires (Miroslaw Koziol, Slawomir Koziol) 9/17 Poland
    http://www.komires.com/
    Developer: EMUAPC DEMO 0.92 (Atari 8-bit emulator for DOS and Win32),
    Sword and Magic: Power of the magic (game)

    Andy Kosela 8/26 https://github.com/akosela
    Developer: darkzil (ZIL-based framework for building Infocom-style text adventure games targeting Atari 8-bit systems)

    Daniel Ko+|mi+aski (dely) 3/26
    See also: Numen (demo) by TAQUART (tqa)
    See also: SIC! crew
    Radom, Masovian Voivodeship
    Poland
    https://www.atari.org.pl/charsetter/
    Developer: Charsetter

    Tomasz Krasuski (kr0tki) 12/24
    See also: Atari800 Emulator Developers
    Poland
    https://a8cas.sourceforge.net/
    Developer: A8CAS project (software for reading/writing Atari 8-bit cassettes) consisting of: liba8cas 1.5.0 (2015-05-27), a8cas-tools 1.3.1 (2013-04-20), atari800-a8cas 1.2.2 (2015-05-27)

    Krishna Software (Krishnasoft) 7/16
    19 Ventnor Dr
    Edison NJ 08820-2735
    USA
    http://www.krishnasoft.com/sps.htm
    Developer: MPDOS (Multi-platform Distributive Operating System) Standard (1.00; software and cable for interfacing your PC with the Atari; simulate joysticks, keyboards, paddles, mice), MPDOS Professional for Atari upgrade (adds disk drive, cassette player, and printer simulation), MPDOS Super Professional (MPDOS SuperPro; test/debug Atari programs), Sound Processing Software (SPS) 1.00 (WAV editor for use with MPDOS)

    Miro Kropacek (MiKRO) 2/15
    See also: Atari800 Emulator Developers
    Slovakia
    http://mikro.atari.org/ or http://mikro.naprvyraz.sk/
    Developer: Sprite Editor 1.2 for Atari XE/XL (Simple tool for sprite editing), ATR to XFD 1.0 for TOS compatible platform (Converts standard ATR
    in double density to XFD format)

    KryoFlux Preservation Technology Group (KFPTG) 6/22 (Istvan Fabian, Christian Bartsch, Kieron Wilkinson, Rozalia Kovacs)
    80 Allington Way
    Maidstone
    ME16 0HN
    United Kingdom
    https://www.kryoflux.com/
    Developer: KryoFlux -- USB-based floppy disk drive controller designed for low-level disk reads suitable for software preservation -- output formats include raw stream protocol files and Atari XFD disk image format

    Krystone 2/26 Poland
    https://krystone.pl/
    Developer: CAS Play (Single HTML file CAS to WAV Player, converter, spectrogram with FIFO preview), New Atari XL/XE Enclosure a.k.a. Case
    (project)

    Rudla Kudla 9/20 Czech Republic
    http://atalan.kutululu.org/
    Developer: Atalan (high level programming language for system programming for development on 8bit computers include: con6502, Atari, NES, C64,
    Oric Atmos, 6502 Simulator, ZX Spectrum, conZ80)

    Jerzy Kut (Mono/Tristesse) 2/25
    See also: ASAP - Another Slight Atari Player developers
    Poland
    http://mono.i-demo.pl/
    Developer: Graph8 (graphic program), SGE (graphic program), XL Digital (music collection, SS play for SDX v.0.2 (plays SoftSynth music modules), NEO Hardware Player for SDX v.0.3 (plays NEO Tracker music modules using Candle/Sin's SoundBoard), PSG Hardware Player for SDX v.0.7 (plays ZX Spectrum PSG music dumps using Evie or SONari soundcard), RAD Hardware Player ver.0.3 (plays Reality ADLib Tracker .RAD music modules using YAMari or Melody soundcards), SID Hardware Player for SDX ver.0.15, CMC play for SDX v.0.7 (plays CMC music modules), TMC play for SDX v.0.6 (plays TMC music modules), RMT Player ver.0.2 (plays RMT music modules), MPT play for SDX v.0.6 (plays
    MPT music modules), FC Player ver.0.1 (plays FC music modules), ST Player ver.0.3 (plays MUZ/ST7/ST8/ST music modules), BMC play for SDX v.0.1 (plays Black Magic Composers music modules), BMPVIEW.COM (bitmap .BMP images
    viewer), GHGVIEW.COM (Gephard Hi-res Graphics images viewer), SGEVIEW.COM (Semi-Graphics Editor images viewer), CMC Sample Maker, DrumMachine,
    SimDrive, schrdraw, basx, @: (device handler for DracOS). For Linux PC:
    Atari8 File System tools, Graph8 tools

    ------------------------------

    Subject: L

    Lantronix, Inc. 12/24
    48 Discovery Ste 250
    Irvine CA 92618-7731
    USA
    Tel: +1 (800) 526-8766
    Tel: +1 (949) 453-3990
    Fax: +1 (949) 453-3995
    https://www.lantronix.com/
    Developer: Serial-to-Ethernet Device Servers that may be used to connect an 8-bit Atari computer (or any device with a serial port) directly to a
    broadband network, including: UDS1100, EDS1100

    LaResistance (pr0be, powrooz, born) 5/16 Poland
    http://laresistance.pigwa.net/
    Developer: edict (intro), Silly Venture 2k4 Invitation, polymatrix (demo), the shrine (demo)

    John Lawson 7/15 United Kingson
    http://ultimon.com/
    Developer: UltiMon (6502 monitor/debugger for XL/XE)

    Paul Lay 6/15 United Kingdom
    http://playsoft.co.uk/
    Developer: Atari Player Editor 0.6 (Flash application for designing
    animated Atari player graphics in mutlicolour mode)

    JP LeBreton 12/20 http://vectorpoem.com/playscii/
    Developer: Playscii (ASCII art/animation/game creation tool for Windows, Linux, and macOS - includes ATASCII importer and exporter)

    Avery Lee (phaeron) 2/26
    Bay Area, CA
    USA
    https://www.virtualdub.org/altirra.html atariage.com/forums/topic/231835-a8rawconv-a-new-raw-disk-conversion-utility/
    Developer: Altirra 4.40 [December 31, 2025] for Windows (8-bit Atari computer emulator), a8rawconv 0.95 [October 21, 2023] for Windows - with sources for also running on Linux or macOS (convert between raw and decoded Atari disk images, supporting KryoFlux or SuperCard Pro imaging hardware)

    Sascha Leidel 7/16
    Am Puettkamp 26a
    40629 Duesseldorf
    Germany
    http://art-transfair.sytes.net/sdlready/
    Publisher: Ready Magazin, issues #1-5 published 2005-2009

    Bertrand Le Roy 6/25 Decent Consulting
    2127 170th Ave NE
    Bellevue WA 98008-2647
    https://bertrandleroy.net/
    https://github.com/bleroy
    Developer: Mechanical keyboard replacements for all 8-bit Atari computers

    Magnus Lind 11/20 https://bitbucket.org/magli143/exomizer
    Developer: Exomizer v3.0.2 (2019-01-05) (can produce stand-alone self- decrunching files for Atari 400/800 XL/XE)

    Llamasoft (Jeff Minter) 9/20 United Kingdom
    http://www.minotaurproject.co.uk/lc-8bit.php#1
    Developer: Attack of the Mutant Camels, Gridrunner, Hover Bovver

    Lotharek FHU Przemyslaw Krawczyk 7/26
    2C /18 Oswiecimska
    Swierklaniec 42-622
    Poland
    https://lotharek.pl/
    Vendor: Memeory cards, vintage chips, cables/adapters, audio/video devices, power supplies/cables
    Developer: upgrades: ULTIMATE 1MB upgrade, Ultimate RAM PACK, VBXL XL VERSION, GTIA FIXER, VBXE XE VERSION, INCOGNITO Atari 800 GOLD, JUST_POKEY, P COVOX v2, SRAM 64Kb v5, ACID STEREO, Gtia2RGB, AKI - ATARI keyboard interface USB, FREDDY MODULE v2, AKI - ATARI keyboard interface PS2, SpectreAV, O2
    Fixer, OS ROM switcher v2, ACID SRAM LITE, ATARI XE MAX PACK, ATARI XL MAX PACK, ACID SRAM PROF 8MB. mass storage devices: Sio2PC USB, 10502PC REV2, SIO2SD BIGGUS DICKUS, SIO2SD BIGGUS DICKUS device and cable, SIO2SD BIGGUS DICKUS device cable and soft, SIO2SD CASED 2.0 XL, SIO2SD CASED 2.0 XE,
    SIO2SD CASED 2.0 XE RED LCD, SIO2SD CASED 2.0 XE WHITE LCD, SIO2SD CASED 2.0
    XE GREEN LCD, SIO2SD CASED 2.0 XE BLACK LCD, SIO2SD CASED 2.0 XE DEEP BLUE
    LCD, SIO2SD CASED 2.0 XL RED LCD, SIO2SD CASED 2.0 XL WHITE LCD, SIO2SD CASED 2.0 XL BLACK LCD, SIO2SD CASED 2.0 XL GREEN LCD, SIO2SD CASED 2.0 XL DEEP
    BLUE, FUJINET PROF, FUJINET PROF + SIO CABLE, SDRIVE MINI, 10502PC rev3 USBC. accessories: SIO PLUG set BLACK, SIO PLUG set TRANSPARENT, SIO SPLITTER, SIO CABLE 0.5 (5signals), SIO-SIO CABLE 2m, VIDEO breakboard, VIDEO ADAPTER DIN5, SIO2MIDI - JIL_Sammer, SIO-SIO CABLE 1m, PWR3 ATARI 8bit HQ power supply, Medusa rev. B SCART EU, VIDEO breakboard SET

    ------------------------------

    Subject: M

    MADsoft (MADRAFi) 3/26 https://madsoft.us/
    Developer: Star Vagrant, PokeyMAX update tool v1.2 (May 23, 2024)

    MadTeam 7/26 (active: Tebe, Pajero, Rocky. inactive: Psychol, KAMM, Profi, Rage)
    Poland
    https://madteam.atari8.info/
    https://g2f.atari8.info/
    https://mads.atari8.info/
    Developer: demos: Olas Demo, Rocky Demo, KAMMSoft MSX, Happy Demo, MadTeam Intro, The Muppet Movie Show, IGOR, FAJER Intro, SINTRO, Running Cow, Orneta RealTime 1996-1997, LAJF, Journey, Vasco, X, Splash, TIT, ANI, SAMAR Graphics Collection, Kaszel #1, Syzygy #8, Dupland Slideshow, Happy Easter 2007,
    Martial Arts vs Modern Arts, Ilusia, Easter Twist '2013, PasIntro, Atari Control Picture, Snowman, Bad Apple SV2K18, NYD2019 Intro, Gonzo Last Ninja Slideshow, Monster Mash, Dotty Beats, Bitmap Fonts.
    games: Droga Do Duplandu, Mental Age, Dyna Blaster, Getris, Nibbly, Mario
    Bros 2007, Pang Level Editor, Pang, Bubble Shooter v1.06, Block Attack. utilities (some for 8-bit Atari, some for PC): Pro Tracker 1.5, Intertia
    Player 3.7, Intertia Player 4.5, Audio Master 1.0, Player, Mathaf****r Editor 3.1, Mathaf****r Reader 1.1, Turbo 2000F, Visage 2.7, XLPaint Max 2.5-2.6, Rip2Max, 2xMPT 8Channel Stereo Project 1.0, Atari Commander 1.81, Via Copy
    4.4, SAMAR Hi-res Interlace with Map of Colours (SHIMC), LZW Pack 4.2, Squash 1.5, Total Commander ATR Plugin v1.9, ATR Command Line v1.0, DisAsembler 6502 v2.2, Deflater 7z v2.6, XRLoader v1.2, TIP Animator v2.3, Check XEX, Build
    1.1, Super Packer 6.9, Atari Interlace Studio 1.4.7, Atari Graphics Studio 3.5.8, RLE Eecoder 1.2, RMT2SNG, Short MOD, MOD4ATR, MOD Player 6502 / 65816, Fox Mode 12++ / 0++, Qmeg 4.04 disassembly.
    G2F & related (for PC): Atari Graphics Studio v3.5.7, Graph2Font v4.0.3.1 (Full/Lite), G2F Extractor v1.5, BMP2MCH v2.3, BMP2MIC v1.6, G2F PM Swapper, G2F Creator v1.4 / v2.3, Rasta Converter (RC), RC2MCH, Atari Rasta Juice
    v1.7, Piccolo (mode4 clash fixer), ham_convert, ham2mic.
    PC utilities: MADS 2.1.6-2.1.7 (Mad-Assembler: multi-pass crossassembler designed for 6502 and 65816 processors), Mad Pascal 1.7.7

    Sylvain Maltais (gladir) 11/24 Laval, Quebec
    Canada
    https://github.com/gladir
    Developer: ATARITOOLS suite of commands written in Pascal (Turbo Pascal
    or Free Pascal) for working with Atari files: ASC2ATARI.PAS, ASM6502.PAS, ATARI2ASC.PAS, DIS6502.PAS, RUN6502.PAS

    Mantic Moon Labs 7/26 https://mantismoonlabs.com/
    Developer: FujiNet Go 800 (for Android)

    Mark/Space, Inc. 6/24 1875 S Bascom Ave Ste 2400
    Campbell CA 95008-2356
    https://www.markspace.com/
    Developer: Argon app - emulator of many platforms including the 8-bit Atari, for Android Phone, Tablet, TV, and Chromebook, or for Amazon Fire Tablets,
    Fire TV, or Fire Stick

    Tadeo Marin (Cathodeo) 8/26 https://github.com/Cathodeo
    Developer: Xmonka (eXchangable Monster Kards)

    Adrian Matoga (epi/Tristesse) 2/22
    See also: ASAP - Another Slight Atari Player developers
    See also: RECOIL (Retro Computer Image Library) developers
    Gdansk, Poland
    https://epi.github.io/ https://github.com/epi
    Developer: enotracker (POKEY chipmusic editor), sapemu (native player for Slight Atari Player music files), TipTools (manipulating Taquart Interlace Picture images, including TipConv for conversion to TIP and HIP, and TipView for displaying images in various formats), xebin (Atari XL/XE Binary File Utility), xedisk (Atari XL/XE Disk Image Utility)

    MatoSimi (Martin Simecek) 6/25 Slovakia
    http://matosimi.atari.org/ or http://matosimi.websupport.sk/atari/
    or https://github.com/matosimi
    Developer: utilities: CMC MSX Extractor, T2K decoder v.021, Atari MapMaker v1.0, Atari FontMaker V1.6.17.3, MDCMC - Mono Double Chaos Music Composer, SwSprEd - Software Sprite Editor v1.0.0. demos: CMC Musix 1, Plasma4, Music
    From Zeus Intro, Summertime Demo, Citoplazma, Mindf*ck, Pow(quickhack,2),
    Back To The Cyberspace, Fred (Forever 2012 realtime compo entry). games:
    Laser Blaster, Monex v1.1, Light Up!, Belljumper 1k, Fireball 1k, h3x0r 1k, Titus The Fox, h3x0r deluxe, Roxblox, Ridiculous Reality, Dynakillers
    Unchained -update 1, Xirius Defect v1.1, Nemezyro, Xirius Defect XXL - x1, 3plex, Quarrion, Skyscraper, Soko Maniac, Reverse Master, Master Mind 1, Tetris, Minesweeper, Gardnerova hra, Citron 3kg, Black Bouncy Blob, Castle Defender, Lasermania 2020, Detonationix, Fallen Kingdom, Binary Parasite.

    Maxi's Retro Tech (Alex and Maxi) 7/26 California
    USA
    https://maxisretrotech.com/
    Vendor: A8PicoCart

    Rob McMullen 1/16 http://playermissile.com/omnivore/
    Developer: Omnivore 0.8.0 - cross-platform app for modern hardware (running linux, OS X and Windows) to work with executables or disk images of Atari
    8-bit machines

    MESS (Multi Emulator Super System) 7/16 http://www.mess.org/ http://mamedev.org/
    Developer: multi-platform emulator: as of version 0.163 MESS supported 1,081 unique systems with 2,199 total system variations. In 2015 MESS began to be merged into MAME (Multiple Arcade Machine Emulator).

    MicroUSB Project 3/21 (Marc Brings, Thomas Grasel, Harry Reminder, Guus Assmann, Carsten Strotmann) Germany
    http://microusb.org/ or http://microusb.sf.net or https://atariwiki.org/wiki/Wiki.jsp?page=MicroUSB https://sourceforge.net/projects/microusb/
    Developer: Project USB Cartridge (USB Cartridge for Atari XL/XE with two USB Slots). Software for the Atarimax/ABBUC USB Cartridge: Base HID Driver,
    USB Device Driver Development Kit Disk, Atari USB Enduser Driver Disk,
    Keyboard Driver, Digital Joypad Driver, Logitech Rumblepad 2 USB Driver,
    Analog Joystick Driver, Thrustmaster Steering Wheel Driver,
    Logitech GP Steering Wheel Driver, Logitech VP Steering Wheel Driver,
    Speedlink Competition Pro USB

    Mark Miller 11/24 Boulder CO
    USA
    https://github.com/marktmiller
    Developer: Port of Turbo Basic math package for APX Forth/Fig-Forth 1.1, Selections from the Best of Creative Computing Vol. 1 1978, Atari version of "Graphics without input", Parr VM, Basic Status bar, Soundlab

    MiscRetro 8/23 Europe
    https://miscretro.com/
    Vendor: AVGCART, SUBART, SIO cable for AVGCART / SUBCART,
    ECI cable for AVGCART / SUBCART, PBI cable for AVGCART / SUBCART,
    DAC audio cable for SUBCART

    Michal Kurcewicz (mkur) 7/26 Poland
    Developer: TOMS Navigator v1.24 (09.06.26), actionc (a Rust cross-compiler for the Atari 8-bit Action! language)

    Miko+eaj Miko+eajczyk 8/26 Warsaw
    Poland
    https://mikolajczyk.org
    Developer: madside ( in-browser IDE for retro hardware),
    cc65-dialect C intelligence: a lightweight parser+resolver engine and LSP server for the cc65 6502 C toolchain

    MMSoft (Marek Mikolajewski) 9/17 Gdansk
    Poland
    http://www.atariarea.krap.pl/sio2ide/
    Developer: SIO2IDE project, versions 1.7, 3.3, 3.3a, 4.4, 4.4a
    (An interface that allows you to attach any IDE Disk Drive to your 8-bit
    Atari computer. Ver. 4 includes a USB port.), AVRprg

    Monochrome Productions 3/26 https://monochrome-productions.itch.io/ https://itch.io/profile/monochrome-productions
    Developer: Tony - Montezuma's Gold, Go! Tony Go!, Tony Do It!

    Wojciech Mostowski (woj76) 9/25 Sweden
    https://github.com/woj76
    Developer: A8PicoSIO project (an Atari 8-bit SIO device implementation for a Raspberry Pi Pico)

    Motelsoft 9/17 Germany
    http://www.motelsoft.de/
    Developer: Caveman II: Caves of Osum, Hanse XL

    Joe Mozzwald 8/26
    USA
    https://mozzwald.com/
    https://github.com/mozzwald
    Vendor: FujiNet for Atari 8-Bit, A8PicoCart for Atari 8-Bit
    Developer: Atari 8 Bit USB-C Power Adapter, SIO Pass Through Breakout Board, v2.2, FujiNet-MIDIMaze, atari-showkey, FujiNet Maze War, FujiNet SAM AI
    Chatbot v3, fujinet-midimaze-connect, MIDI Maze Source Rebuild, fujinet-atari-netstream, FujiNet Go 800 (Android). for FujiNet Game System: FujiRealm Demo

    Mq-workshop 3/26 Pozna+a
    Poland
    https://mq-workshop.pl/
    Developer: Flob, Tensor Trzaskowskiego, onEscape, Scorch, Dude Story,
    Time Wizard Deluxe Edition, Fallen Kingdom, Binary Parasite

    msc (Stefan Birmanns and Matthias Belitz) 2/22 Germany
    https://www.birmanns.de/atari/
    https://www.mathyvannisselroy.nl/aspi.htm
    Developer: msc-IDE Controller (IDE interface for PBI/ECI -- sold out),
    IDE software utilities: INSTALL.COM V1.03, SETUP.COM V1.13, FDISK.COM V1.10, MAP.COM V1.10, HDINST.COM V1.00, LMAP.OBJ V1.03, CDPLAY.COM V1.0,
    CDREAD.COM V1.4, IMG2DISK.COM V1.00. Black Box ATASPI V0.40 ("Atari
    (Advanced) SCSI Programming Interface"). ATASPI software utilities:
    ATASPI CDPLAY V0.20 (audio CD player), ATASPI MON V0.12 (SCSI monitor)

    Stefan C. Mueller 2/20 Germany
    http://www.electromaniac.de/
    Developer: Electro Maniac!

    MyAtari 7/16
    See: Matthew Bacon

    ------------------------------

    Subject: N

    Kostas Nakos 7/26
    See also: ASAP - Another Slight Atari Player developers
    See also: Atari800 Emulator Developers
    Greece
    http://users.uoa.gr/~knakos/atari800/ or http://pocketatari.atari.org/
    Developer: PocketAtari 2.0.3 (Jul 21 2007--port of Atari800 emulator for WinCE)

    New Breed Software (Bill Kendrick) 7/25
    USA
    http://newbreedsoftware.com/atari/
    Developer: games: Gem Drop, Go Go Garbage Truck, Invenies Verba, Sludge. utilities: Colorizer, File Selector, MuxChat, SIFE - Super-IRG Font Editor. demos collection. relics: My first program, Brick Blast, Balloon Pop!, Water Balloons, Crown Quest, Train Station, Math Attack, Simon Says, Snakeline, Bombsplash, Bubble Sort, Donuts, Wordster, Graveyard, Asteroid Belt, Team
    Sprit Soccer, Superflex, Slot Machine, Junge, The Countries of Europe Test,
    Hit It, Hopper, Light Cycles, Morse Code, Sharp Shooter, Weight Lifting,
    Piano, Othello, Plane, Snake, Skeet Shoot, Ice Racing, Sky Diver, Bounceback, Dropper, Elevator, Zeus, Checkers, Chicken, Connect 4, Axis, Ice Hockey, Skiing, Platforms, Fireworks, Lander, Tanks, Usurp, Geometric Drawing
    Language, Red, 21 Blackjack, Jigsaw, Garbage, Jackpot, Isolation, Boom!,
    Gates, Tetbricks, Lantern, Cooltris, Boing!, Minarets and Memories, Rodent Revenge, Alarm Clock Specials, Sludge, Puzzle, Porsche, Inference Engine,
    Rally Race, Large Font. misc Development: Firefighter, FujiNet Astronomy Picture of the Day (APOD) Viewer, FujiNet International Space Station (ISS) Tracker, "Hi, World", MultiJoy CC65 Library, Poker Solitaire cc65. games for the "BASIC 10-liners" competitions: Paddleship, Shmup, Planets, Slice, Minijong, Minidash, Maze, Bagh Chal, Isol, MiniBreak, Ringtoss, anteat, tenpest, piecht10, P1an0 (piano), Build10, Dots & Boxes, Missile10, Amen [BREAK]

    New Generation 8/21 Solo (Jaroslaw Padula), Laoo (Waldemar Pawlaszek),
    Roland (Remigiusz Zukowski), Miker (Michal Szpilowski),
    Tiger (Robert Smolinski)
    http://timepilot.atari.pl/
    Poland
    Developer: Time Pilot

    Nelson Nieves 4/16
    USA
    http://www.celebritybase.net/atari8/
    Developer: SpartaDOS 3 and X utilities: DelTree, DualTest, FATR, FTD, Tree, TS, TSplit, UnDelete, WipeDisk, xErase, xType

    Mathy van Nisselroy 2/22 Netherlands
    https://www.mathyvannisselroy.nl/aspi.htm
    Developer: ATASPI CD Audio Player (CDAP) 1.47,
    ATASPI CD/DVD Data Reader (DATA) 0.69

    NKC Electronics 9/17 Fort Lauderdale FL
    USA
    http://www.vintagecomputercables.com/
    http://stores.ebay.com/NKCElectronics
    Developer: Monitor Cable (mono and stereo versions), S-Video Monitor Cable

    NLE Computer Software Services (New Life Electronics CSS) (Bob Puff) 7/16 1350 Buffalo Rd Ste 2
    Rochester NY 14624-1829
    USA
    tel: (585) 512-8260
    Fax: (585) 247-7158
    http://www.nleaudio.com/css.shtml
    Developer: Black Box, Black Box with 64K Printer Buffer, Black Box Printer Cable, Black Box Modem Cable, Floppy board, Super-E Burner, Gang Super-E Burner, Multiplexer, Multiplexer Slave Unit, Quintopus, Quintopus with Switchable Ports, Super Archiver, Super Archiver II, Super Archiver --> SA II Upgrade, XF Single Drive Upgrade, XF Single Drive Upgrade (without Drive
    Mech), XF Dual Drive Upgrade, XL Dual Drive Upgrade (without Drive Mech),
    XF551 Enhancer, XF Update, Ultra Speed Plus OS, Hard Drive Pro Backup, Super Pill, Disk Cracker, Black Patch
    Shareware developer: SuperUnArc 2.4, SuperArc 2.4, Disk Communicator 3.2, MYDOS 4.50, BobTerm 1.21, MYDOS WHEREIS, MYDOS VTOC FIX

    Numen (demo) by TAQUART (tqa) 6/20 Piotr 'Fox' Fusik (coder), Marcin 'Eru' Zukowski (coder), Michal 'Dracon' Garbaciak (gfxman), Karolj 'Heaven' Nadj (designer/coder), Lukasz 'X-Ray' Sychowicz (msxman), Slawek 'Slaves' Sledz (gfxman/watcher), Daniel 'Dely' Ko+|mi+aski (watcher/AA admin)
    See also: Piotr Fusik
    See also: Daniel Ko+|mi+aski
    See also: Marcin Zukowski
    Poland
    http://numen.scene.pl/
    Developer: Numen (released at Lato Ludzikow 2002 in Opalenica, Poland)

    ------------------------------

    Subject: O

    Outland Quest Software 4/16
    USA
    http://www.outlandquestsoftware.com/
    Developer: Ally Attack, Black Sea Silver Fishing, Desert Crossfire,
    Dungeons of Oti, Empire, Golf Tees, Graphics 8 Painter, Hoss Racing,
    Korellian Conflict, Lite Show, Mad Libs, Motions Variable, Scattergories,
    Space Regent, Starbase Alpha, Standoff, Star Maze, Terror Fair,
    Three-D Force Tic-Tac-Toe, T.I.A.K. - Taking In Accurate Knowledge,
    Uncle Milton's Million Dollar Mystery Mansion

    ------------------------------

    Subject: P

    page6.org (Paul Rixon) 12/24 United Kingdom
    https://www.page6.org/
    Publisher: authorized digitized editions of Page 6 (1982-1989),
    Page 6 Atari User (1989), New Atari User (1989-1998) magazines

    Victor Parada (++vitoco) 1/20 Chile
    http://www.vitoco.cl/atari/
    https://www.vitoco.cl/atari/xex-filter/
    Developer: ATASCIIprinter V.0.4 (webpage); Toy'Swap (game); SITRE/S.I.T.R.E./"Sistema Inteligente Turbo con Recuperacion de Errores" version 2.01 (1989), version 3.02 (2015); 10-liners:
    Fleas!, Invaders, Where's my cheese?, Alpha vs Numeric: The Front Line,
    M*N Puzzle, Surround, Don't go!, Space Ranger, Minipede, Decipede, Sketch-PadDles, Oruga, Alby the albino bat, Uncle Simon, Magic Cups,
    Deep Canyon, La Peste, Defensor, Mini Bros, Pixelated Puzzle, License Plates, UFO Attack!, Bounce & Catch, XEX-Filter version 1.6 (2020-01-18)

    Eric Parent (Joyful Coder) 1/20
    USA
    http://x868k.com/apps/memopad/?os=win
    http://x868k.com/apps/memopad/?os=mac
    Developer: Memo Pad for Windows Release 26 (Mar 6, 2018), Memo Pad for
    Mac OS X Release 1 (Apr 5, 2016). (view and edit ASCII and ATASCII files)

    Ralf Patschke (PP's / STARSOFT Berlin) 2/15 Albrecht-Duerer-Strabe 23
    12623 Berlin
    Germany
    http://www.ppsberlin.de/
    Developer: STARSOFT 1st demo, STARSOFT 2nd demo, STARSOFT 3rd demo,
    multiple gfx 12 scrollers, TOP-Magazin Intro, gametro ABBUC Magazin 73,
    gfx 0 scrolls, proAF, nyd 2011 invitro, invitro NYD 2k13.
    g2f pictures: BOS 2002.
    Publisher: (disc magazines) ECS Info Mag: 1/1991, 2/1991, 3/1991.
    CCB Club Mag: 4/1991, 5/1991, 1/1992, 2/1992, 3/1992, 4/1992.
    STARSOFT Magazine: 1/1992, 2/1992, 3/1992, 2/1993.
    New Years Disc: NYD 2007, NYD 2008, NYD 2009, NYD 2010, NYD 2011, NYD 2012,
    NYD 2k13, NYD 2014, NYD 2015

    Daniel Picken 11/24 https://github.com/dpicken
    Developer: Small Form Factor (SFF) Atari 8-bit compatible system project, USB Keyboard Controller for Atari XL/XE computers project

    Krzysztof "Amarok" Piotrowski 3/26 Wroc+eaw
    Poland
    https://gitlab.com/amarok8bit
    Developer: SortViz, gr9Lab, unicode, Action Rosetta Code, Atari Listings, arcadia, arcadia xmas quest, Time Wizard, Time Wizard level editor,
    Time Wizard music player, Time Wizard Deluxe, RastaConverter images

    Plexilaser.de 10/17 Germany
    http://www.plexilaser.de/
    Developer: Acrylic housing for Atari 800XL

    Boisy G. Pitre 6/22 Prairie Ronde LA
    USA
    https://liber809.blogspot.com/
    Developer: Liber809 (Motorola 6809 microprocessor upgrade for the Atari 800XL/1200XL/130XE, allows the Atari to run the NitrOS-9 operating system)

    Pokey Soft (Vidar Olavesen - Hawk) 2/22 Stevneveien 7
    N-1719 Greaker
    Norway
    https://pokeysoft.com/
    Developer: games: Invert XE. demos: The Wavy Demo, The Second Scroll, Wobbly Demo, Suck My D..k, Big Scroller, Horbig Demo, Simplicity, Twister!

    PRO(C) ATARI (Markus Roesner) 1/15 Germany
    http://proc-atari.de/
    Developer: Rolltris / Thetris, Caveblaster+, Ransack
    Publisher: PRO(C)-ATARI (quarterly print magazine, German/English editions)

    PVBest inFoo (Philippe Vuillerme) 11/24 France
    http://pvb.free.fr/ or http://www.pvbest.com/
    https://github.com/pvbestinfoo
    https://pvbestinfoo.github.io/
    Developer: Atari software: Dropzone modification (score table saving),
    The Famous List Of Hight Score, File Designer (convert from cassette to disk
    or from boot program to Atari DOS binary file), Disk Wizard II modification (updating and improvement of the disassembly code), Boot Loader. PC software: Atari File Designer 1.70c (AFD - read/write XFD disk images from/to a real Atari disk drive via a 1050-2-PC serial cable), Atari Monitor 2.00 (for use with Atari800 emulators), Atari ROM File Designer 1.9.1 (ARFD - advanced version of AFD, create XFD/ATR images from real Atari disks via a 1050-to-PC cable), Atari 8-bit Rom Image File Explorer (ARIFE Tool)

    ------------------------------

    Subject: R

    Rasterline (Ken Jones / MetalGuy66) 11/25
    USA
    https://rasterline.com/
    Developer: Multi I/O (MIO) "new series", upgrades for original ICD MIO

    Burkhard Rau (HCRBurk) 4/16 Germany
    http://www.hcrburk.de/
    Developer: SUBMON 4.1D (Atari),
    ATARI FileManagement (AFM) 1.7 0002 (WIN 95/98/NT/2000/XP)

    raz0red 2/20 http://wiibrew.org/wiki/WiiXL
    Developer: WiiXL 0.1 - February 7, 2009 (port of the Atari800 emulator 2.0.3 to the Nintendo Wii)

    Ready Magazin 7/16
    See: Sascha Leidel

    RECOIL (Retro Computer Image Library) developers 11/24 Piotr Fusik (idea, programming), Lonny Pursell (Atari ST/Falcon formats research), FRS (MSX expertise), Mariusz Rozwadowski (formats research, testing), Adrian Matoga (programming), Petri Pyy (macOS Quick Look plugin), cholok (IFF expertise), Soci (reference implementation and test files of C64 formats), Pawel Szewczyk (icons, testing), Slawomir Sledz (testing),
    Peter Dell (testing)
    See also: Piotr Fusik
    See also: Adrian Matoga
    See also: WUDSN
    https://recoil.sourceforge.net/
    Developer: RECOIL 6.4.5 (2024-10-27) - viewer of pictures in native formats of 20th century computers computers, including 143 formats of Atari 8-bit,
    that is available on Android, Windows, macOS, Linux and modern web browsers

    Johan van Rensburg (JSJvR) 11/24 https://github.com/JSJvR
    Developer: atari-8-bit-utils: a collection of Python utilities for projects related to Atari 8-bit computers

    Retro-Bit 9/20
    USA
    http://retro-bit.com/
    Developer: Atari 2600 Joystick Controller (replaces Atari CX40),
    Atari AC Adapter (replaces Atari C010472 / C016353 / CX261)

    Retro Games Ltd. 9/24 West Wing Studios, Unit 166
    The Mall, Luton
    LU1 2TL
    United Kingdom
    https://retrogames.biz/products/the400-mini/
    Developer: THE400 Mini (emulated Atari 400, 800, 5200, 800XL, or 130XE, in miniature case, shipped with THECXSTICK CX40-style joystick with USB
    interface)

    RETROHAX.NET 2/21 Poland
    https://retrohax.net/
    Vendor: new hardware, including:
    Keyboard springs set for Atari 65XE / 130XE / 800XE,
    SDrive-MAX interface for Atari 8-bit - cased,
    mouSTer - Modern mouse adapter for retro computers

    Retro Lemon (Jakub Kosiec) 7/24 Office 136, 5 High Street
    Maidenhead
    SL6 1JN
    United Kingdom
    https://retrolemon.co.uk/
    Vendor: new hardware, including upgrades, storage devices, and accessories

    Retro Moe 8/23
    Los Gatos CA
    https://www.tindie.com/stores/riq/
    Developer: Unijoysticle 2 800XL: gamepad for Atari 800XL
    (use modern Bluetooth controllers on your Atari 8-bit computers)

    Retronics (Lidia Dudek) 2/21 Alder 41/1
    05-506 Magdalene
    Poland
    http://retronics.eu/
    Developer: new hardware, commercial software (authorized reprints)
    Publisher: SpartaDOS X ver. 4.50 - User Guide book (English)

    RetroRadionics (Djordje Mitic) 2/21 United Kingdom
    https://retroradionics.co.uk/
    Developer: ArcadeR 9 pin Atari standard Joystick

    Rewindgames (Fred Meijer) 4/16 Geen bezoekadres
    Schiedam
    Netherlands
    http://www.rewindgames.com/
    Vendor: new and used hardware, new and used commercial software

    Thomas Richter (THOR Software) 4/20 Germany
    http://www.xl-project.com/ http://atariage.com/forums/topic/227668-wav2cas-new-version/
    Developer: Atari++ Emulator (800/XL/XE/5200 emulator for Unix/Linux/ Solaris/Irix; with Os++ ROM) Stable Release 1.83, atari++ CVS Snapshot 1.83, atari++ 1.81 for win32, Os++ System Disk, Basic++, wav2cas, cas2wav

    Wade Ripkowski (Ripjetski6502, Ripdubski) 6/26 https://unfinishedbitness.info/
    Developer: CubeDot v1.07 (cubeSQL user interface), Dr. Love v1.10, Fuji Do v1.30 (with Fuji Do Reports), Fuji Poo v1.20 (spoof of the Fuji Do), Mr.
    Paint (ATASCII screen editor) v1.51, Total Recall v1.10, Action! Library
    v1.51, C Library (for CC65) v1.61, Mad-Pascal Library v1.21

    Rossum 3/21 Palo Alto CA
    USA
    https://rossumblog.com/
    https://github.com/rossumur
    Developer: esp_8_bit (version of Atari800 emulator for ESP32),
    A Little Atari 810 Disk Drive (microSD card floppy disk drive emulator
    project for Atari)

    RTS Software (Bryan P. Schappel and Barry Kolbe) 2/15
    USA
    http://www.rts-software.com/
    Developer: Utilities: ANALOG Database, BCALC, BCOPY (SuperCopy),
    BBK Artist, BBK C.P., BBK Monitor, Debug+, Disk Enchanter, Disk Master, Personal Spell Checker, T:EDIT. Atari 8-bit Games: Capital, Clash of Kings, ROBOX, Snow Plow, Snow Plow Editor. Barry Kolbe's Software: BASIC Utilities Package, Disk Garage, Krazy Mazes, Laser Chess PC

    Rude Dog Retros 11/24 United Kingdom
    https://rudedogretros.co.uk/
    Vendor: new hardware
    Repair shop

    ------------------------------

    Subject: S

    Vin Samuel (VinsCool) 8/22 Quebec
    Canada
    https://github.com/VinsCool
    Developer: POKEY-Frequencies-Calculator, VUPlayer-LZSS, RMT-Patch16,
    RASTER Music Tracker (RMT)

    Filippo Santellocco 2/20 Italy
    https://www.santellocco.com/atari/io.htm
    Developer: L.E.M., Cookie Monster v1.5, Made with Atari 800, Carrie Fisher, Get Lucky, The Rocky Horror Show Demo

    Jochen Sch|nfer (josch1710) 2/26 https://github.com/josch1710
    Developer: RespeQt (Atari Serial Peripheral Emulator for Qt) Release 5.4.1 (2026-01-12)

    Darren Schebek 9/17 Canada
    http://www.schebek.ca/ or http://www.user.dccnet.com/dschebek/
    Developer: Envision (character editor & screen editor), Solitaire Game, Yahtzee Game

    Mark Schmelzenbach 6/21 https://atari.miribilist.com/
    https://sourceforge.net/u/schmelze/profile/
    Developer: EnvisionPC 0.8 for SDL (Winows9x/2000/XP, Linux, MacOSX) (graphical editor), ATasm 1.09 (6502 command-line cross-assembler, compatible with original Mac/65)

    Oliver Schmidt 2/21 https://github.com/oliverschmidt
    Developer: Contiki OS for 6502 based computers (supports the Dragon Cart
    and the Dracarys Ethernet devices). Programs: ETHCONFI.COM, IPCONFIG.COM, WEBBROWS.COM, WGET.COM, IRC.COM, WEBSERV.COM, TELNETD.COM

    Stefan Schramm Software 12/24 Zwingerstra|fe 1
    06110 Halle (Saale)
    Germany
    https://stefanschramm.net/
    https://github.com/stefanschramm
    Developer: RetroLoad.com - web application for converting tape images of historical computers into sound for loading them on real devices using an
    audio line cable or cassette adapter.

    Daniel Serpell (dmsc) 1/25 Vi|#a del Mar
    Chile
    https://github.com/dmsc
    Developer: Atari PIC programmer (program a PIC microcontroller from an Atari using the JOY2PIC interface), Atari SAP Type R File Compressor and Player, Compressed APX intro screen, Fast E: accelerator, Turbo-Basic XL and Atari BASIC parser tool, mkatr: Create ATR images from list of files,
    Mini65 - Small 6502 simulator with Atari 8bit bios,
    FastBasic 4.7 - Fast BASIC interpreter for the Atari

    Sherlock Consulting (Jason Watton) 8/21 Malvern
    Worcestershire
    United Kingdom
    WR14 3AZ
    Tel: +44(0)7767 220884
    http://www.shlock.co.uk/
    Developer: OmniFlop Floppy Disk Driver & OmniFlop Wizard for Windows PC
    (can read, write, and format Atari 8-bit format (90kB); handles whole disks, but not the Atari disk filesystem; requires internal floppy disk drive on the PC) Version 3.0b (12 Jan 2012)

    SIC! crew 4/20 Stryker, Candle, Pr0be, KMK, Ooz, Trub, Dely, Seban, X-Ray, Miker, Zenon
    See also: Sebastian Igielski
    See also: Konrad M. Kokoszkiewicz
    See also: Daniel Ko+|mi+aski
    See also: trub
    Poland
    http://sic.pigwa.net/
    Developer: SIC!Cart -- Super Inexpensive Cartridge

    Sijmen Schouten (Mr.Atari) 10/21 Netherlands
    http://www.mr-atari.com/
    Developer: MyIDE interface project (1999); Bird food (2014),
    Lost in space (2015); for SIO2BT: BTCONFIG.XEX (2016), SIO-TERM.XEX (2016); MyBIOS-RAM/ROM 02-02-2018 V04 (alternative OS for XL/XE),
    LiteDOS / TinyDOS (2018/2020), SIO2WiFi project (2018/2019),
    LiteDOS-SE (Second Edition) (2021-present)

    -E-+-|-|-U-|-| -i-|-+-|-+-+-# (Aleksey Semenov) (7emen13) 6/24
    Moscow
    Russia
    https://www.sellmyretro.com/user/profile/7emen13
    Developer: ShamaXL AME (Dual POKEY / COVOX / 320/576 kB RAM for 600XL/800XL) - PWM Audio Out or DAC PCM5102A Audio Out versions

    Mark Simonson 4/16
    USA
    http://www2.bitstream.net/~marksim/atarimac/
    Developer: Atari Classic TrueType Fonts, v1.1 (Atari Classic Chunky,
    Atari Classic Smooth, Atari Classic Extrasmooth)

    Daniel Sniegon 6/15 Poland
    http://atari.dan24.pl/
    Developer: Dan Casper Editor (Atari XL / XE sprites animation editor
    for Windows XP / Vista / 7 and higher with .Net 3.5)

    Mirko Sobe / MS Software / AtariXLE 8/26 Germany
    http://atarixle.de/
    https://github.com/atarixle
    Developer: BOSS-XL Edition 2000, BOSS-XE Edition 2000, HTML Viewer 3.1
    (for BOSS-X), BOSS-X 10.35

    Marcin Sochacki (Montezuma) 1/19 Poland
    https://drive.google.com/file/d/0B3-191R-U_S1blpUTFBsRW1iRUE https://play.google.com/store/apps/details?id=org.atari.montezuma.sio2bt
    Developer: SIO2BT project and Android app (2014-2016)

    Soci/Singular 7/24 Hungary
    https://sourceforge.net/u/soci/profile/
    https://singularcrew.hu/vi65/
    Developer: VI65 text editor 0.3 (a VI implementation for 6502 machines including Atari 8-bit)

    Marek Spanel (marspa73) 8/26 https://github.com/marspa73
    Developer: JAM (Just Atari Model) - fully generative, deterministic language model

    Marco Spedaletti (spotlessmind1975) 10/24 Italy
    https://ugbasic.iwashere.eu/
    https://spotlessmind1975.itch.io/ugbasic-ide https://github.com/spotlessmind1975/ugbasic
    Developer: ugBASIC - "An isomorphic language for retrocomputers" -
    supported target platforms include the 8-bit Atari computers

    Sascha Springer 3/26 Germany
    https://github.com/AnimaInCorpore
    Developer: A8E v1.3.0 (Atari 800XL emulator project with a native C/SDL version and a browser version - jsA8E - demo: https://jsa8e.anides.de/ )

    Michael St. Pierre (Mytek, AtariBits) 6/21 https://ataribits.weebly.com/
    Developer: 1088XEL project (Mini-ITX Form Factor Alternative Atari 8-Bit Motherboard), 1088XLD project (1050 Form Factor Alternative Atari 8-Bit Motherboard), TransKey-II project (Single -or- Dual PS/2 Keyboard Interface
    for the 8-Bit Atari), TK-II-STEREO project (Dual POKEY Stereo Audio with U- Switch and Dual PS/2 Keyboard Interface for the 8-Bit Atari), GTIA Video Gate project (Video Over Scan Eliminator and Accessory Support Signal Break-Out), JOY2PIC project (A Microchip PIC Programmer for your 8-Bit Atari), MOUSETARI project (A PS/2 to ST/A8 Mouse Interface Chip), MIDI project, including SIO2MIDI (A MIDIMATE Compatible Interface for your 8-Bit Atari)

    Jeremy J. Starcher 8/26 https://github.com/JeremyJStarcher
    Developer: Yahtzee

    Petr Stehlik 9/20
    See also: Atari800 Emulator Developers
    Czech Republic
    http://joy.atari.org/
    Developer: Dual Joystick USB Adapter

    Brian M. Sturk 8/26
    8 Falcon Dr
    Hudson NH 03051
    USA
    https://www.briansturk.com/
    https://telengard.itch.io/
    Developer: crustyBASIC - a BASIC cross-compiler for retro machines

    ------------------------------

    Subject: T

    T.A.T (The Atari Team) (Lars Langhans) 1/23 Germany
    https://github.com/the-atari-team
    Developer: tat.oxygene.be (a horizontal Shoot'em Up Game), wnf.compiler (WNF-Compiler for ALGOL equal language. Compiles wnf files to 6502 assembler code), tat.packer (RLE then huffman compress program), lla.xldir.disktool
    (read and write files to and from ATR or XFD Atari disk images on DOS 2.5 or LiteDOS filesystems), tat.pacmen.evolution (Pac-Man clone)

    Tattler Solutions 8/26 https://tattlersolutions.com/
    Developer: Atari SX212 WiFi Retromodem (upgrade for the SX212)

    Chris Tersteeg 7/24 Prior Lake, MN
    USA
    https://www.tindie.com/stores/tersteeg/
    Developer: FujiNet Devkit Shield

    Vladimir Tichy 6/22 Hrdlovska 650
    41705 Osek
    Czech Republic
    https://sdq.czweb.org/old_computers/atari/
    Developer: Atart ("ATAri Receiver and Transmitter") -- Atari 8-bit casette dataset emulator / tool for archiving Atari casettes / Atari casette images editor: Atart 1.09a program, Atart 2.00.0 program, Atart interface plans version 3.10.0, AFMS board plans; CAS COM 1.00.1 (utility for loading
    tape images to Atari via serial port through SIO2PC, Atart or other compatible interface); TConvert 1.21.1 (work with Turbo 2000 programs); disass.exe (6502 disassembler for MS-DOS, supporting 8-bit Atari cassette boot files); disassembler for decompiled 8-bit Atari code for MS-DOS (creates source code for Atmas II), SIO2PC plans

    TJ Atarian / TJH76 / TJ76 6/26 https://github.com/tjh1976
    Developer: VGAR (Very Good Atari Remote - An PC Atari 8-bit Game loader and control system for use with real 8 bit hardware)

    trub (Bartosz Trybus) 1/18
    See also: DLT Ltd.
    See also: SIC! crew
    Poland
    http://trub.atari8.info/
    Developer: S2S Commands (for SIO2SD 2.5 + SDX 4.x), S2I Commands 0.8
    (for SIO2IDE 4.x/3.x + SDX 4.x), S2I JukeBox 4.0a (for SIO2IDE 4.x/3.x),
    FIXATR (for MS Windows), CDPLAY 0.4a (for KMK/JZ IDE + SDX 4.x), ED 2.9, ABASIC, YOGI/YELLYSTONE PARK Multidrive, XLDisk, INITCA (for CA-2001 drive), Indus CP/M Tool

    TurntableNeedles.com Inc. 3/21 2517 NW 9th St
    Corvallis OR 97330-1536
    USA
    1+866-BELTS-2U (1+866-235-8728)
    1+541-754-3664 9am to 3pm PST https://www.turntableneedles.com/search.asp?keyword=atari
    Developer: replacement belts for Atari 410 and 1010 program recorders

    Ventzislav Tzvetkov (drHirudo) 2/15 Bulgaria
    http://hirudov.com/amiga/Atari800.php
    http://hirudov.com/amiga/Atari++.php
    Developer: Atari800 (v2.1.0) for AmigaOS 4, Atari++ (v1.73) for AmigaOS 4

    ------------------------------

    Subject: V

    Ivo van Poorten (ivop / The Gatekeeper / TGK) 2/26 Netherlands
    https://github.com/ivop
    Developer: snes2joy (connect SNES controllers to standard Atari 9-pin DB9 ports), atmas2-manual (manual for the Atmas-II assembler), sio2world (connect an Atari SIO port to the "world"), Pokey Explorer (exploring the Atari 8-bit Pokey chip), project-helena (Atari XL keyboard replacement), MIDIMuse (MIDI Interface for the Atari 8-Bit Computers, including a WaveBlaster Interface), project-jenny (backplane Atari 8-bit Computer), various sizecoding projects, romdos (Atari 8-bit ROMDOS archaeology and new experiments), siddasm2 (NSF,
    SAP and SID file disassembler), atariterm (Atari 800 emulator in a vt100/ANSI terminal window or console), atarisid (Software SID emulation for the Atari 8-bit), rc-archive (Archive of Atari 8-bit images created with
    RastaConverter), xatmas2 (Atmas 2 Compatible 6502 Cross-Assembler), atari8080 (Intel 8080 Emulator), saprtools (Tools for manipulating or creating Atari 8-bit SAPR files), atari-bbc-basic (BBC BASIC for the Atari XL/XE)

    Jurgen van Radecke (tfhh) 6/20 Germany
    http://www.van-radecke.de/STUFF/tfhh_HW_info.pdf
    Vendor: Atari XL/XE keyboard connector 24 pin for mylar keyboard cables
    Developer: Sys-Check V2.2 XL/XE BBU (with Battery BackUp), Sys-Check V2.2 XL/XE Standard-Version, Sys-Check V2.2 XL, Sys-Check V2.2 XE, Super Color CPU Card, 48/52 KB RAM-Card, BitWriter 1050 Replica "B", Mini-Speedy 1050, Mini- Super-Speedy 1050, Turbo 1050 Replica, 64 KB SRAM Charger, 512 KB SRAM memory expansion V4.4 Standard, 576 KB SRAM memory expansion for 600XL, KEYCON bare PC, GTIA Fixer

    Dan Vernon 7/16 http://retrobits.net/
    Developer: Atari810 1.4d -- software for emulating an Atari 8-bit floppy drive or hard disk on your PC (Windows NT/2000/XP)

    Video 61 & Atari Sales (Lance Ringquist) 3/21 22735 Congo St NE
    Stacy MN 55079-9356
    USA
    tel: (651) 462-2500 24 Hours
    http://www.atarisales.com/
    "We service, sell and publish hardware and software"
    Vendor: new/used hardware, commercial/PD/freeware/shareware
    Developer: HARDWARE: Cassette Data Storage & Maintance/Service Pack (for the Atari 410,1010,XC11,XC12 and compatible), CX-40 Evolved (joystick controller), CX-30 Evolved (paddle controllers pair), 7800 Compatible Grip-Stick (joystick controller). CARTRIDGE GAMES: Amazing Maze, Animal Keeper, Animated Puzzle (Atari proto), Arkanoid, Amok Bots, Bumpers!, Berzerk (Atari proto), Bubble Trouble, Bruce Lee (Atari proto), Commando (Atari proto), Crystal Castles (Atari proto 16K version), Crystal Raider, Cosmos Pinball, Checkers, Clash of the Kings, Concentration, Clowns and Balloons, Cubico, Delta Space Arena, David's Midnight Magic 2, Deflektor (Atari proto), Desmond's Dungeon, DungeonLords, Dan Strikes Back, Dinky-Do, Dynakillers, Dropzone, Dandy, Elevator Repairman, Flash Gordon (Spider City), Fire Bug, Getaway!, H.A.C. (Heavy Armor Combat) (TAC - Tactical Armor Command), Hearts, HeliCommander, Jinx, Jurassic Park II, Jail Break, Jr. Pac-Man (Atari proto), King Tut's
    Tomb, LaserBlast X, Lights Out, Lord of the Orb, Megaoids, MIDI Maze (Atari proto), Montana Solitaire Card Game, My Jong, Maze War, Mr. Robot and His
    Robot Factory, Mean 18 (Atari proto), Monopoly, Mah Jong, Midas Maze, Monster Hunt II, Montezuma's Revenge, Night Mission Pinball, Novawolf, Pacific Coast Highway, Paddle Pack Pong, Paddle Wars, Plaqueman, Preppie, Preppie II, Putt 18, Puzzler (Puzzled), Quest for Quintana Roo, Rally Speedway, Ricochet, Secretum Labyrinth: The Legend, Stargate (Atari proto), SAGA No. 1 - Adventureland, SAGA No. 3 - Mission Secret (Mission Impossible), SAGA No. 6 - Strange Odyssey, SAGA No. 2 - Pirate Adventure, Slingshot, Spaceshot Pinball, Sharp Shooter, Solitaire Card Game, Spaceball, Smush (Squish'em!), Superman
    III (Atari proto), Star Flite, Surround'em, Tron, Transylvania, Trailblazer, Lost Tomb, Twilight World, Twin Pack (Battleship/Jump the Pegs), AtarTris II (Tetris II), Tower Toppler (Atari proto), Tile Smashers, Tempest Xtreem, Tempest Elite, Tapper, Venture, Vanguard, Video Slots, Video Poker Card Game, World Karate Championship, Whomper Stomper, Xenophobe (Atari proto), Zybex, Nibbler. NON-GAME CARTRIDGES: MyDOS 4.5, SpartaDOS 3.3C, Ultra Translator 2.0, Speed-O RPM Drive Tester, Turbo BASIC, Letter Tutor (Atari proto). CD-ROM: Atari 8-Bit Public Domain-Shareware Software CD-ROM.
    Repair shop.

    Video Game Source 2/15 Gungelsbrunnen 25
    D-21339 Lueneburg
    Germany
    Tel.: +49 (4131)406278 Mo-Fr: 12pm - 8pm CET
    http://www.videogamer.org/
    Vendor: new hardware (Atari G1 Light Gun, Atari XL/XE-Datarecorder XC12), used hardware (Competition Pro Joystick), new commercial software (selection
    of XE game cartridges)

    Viking Video Games (doubledown) 8/23 https://www.vikingvg.com/
    Developer: custom built controllers

    Vintage Computer Center (Gavin Haubelt) 2/25
    373 E Shaw Ave PMB 178
    Fresno CA 93710-7609
    United States
    tel: +1 (559) 492-6318
    https://www.vintagecomputercenter.com/
    Vendor: new hardware (home to the SDrive-MAX)

    ------------------------------

    Subject: W

    Wacko Software (Andrei Ellman) 12/24 United Kingdom
    https://software.wackonet.net/
    Developer: Line Crash (game)

    WASEO (Walkenrieder Anwender-Software Entwicklungs-Organisation) 6/20
    c/o Thorsten Helbing c/o Michael Probst
    Hopfenhellerstr. 5 Wilhelm-Bode-Str. 19
    37445 Walkenried 38106 Braunschweig
    Germany Germany
    tel: +49 175 9982360 http://www.mipro-online.de/waseo/ http://www.waseo.de/
    Developer: WASEO Publisher (desktop publisher (DTP)), WASEO Designer (extension for WASEO Publisher), WASEO Trilogy (printing programs),
    WASEO Grafinoptikum (graphics programs), WASEO Labouratorium,
    WASEO Practoscope. For PC: PiXLator 2.9.0 (10/16/2016),
    Atari XL Viewer 3.8 (10/05/2001), Atari Clock 1.6.9 (10/13/2009)
    Publisher: DISK-LINE disk magazine #9-#66 (1991-2002)

    B. Watson (Urchlay) 8/26 United Kingdom
    https://slackware.uk/~urchlay/repos/
    Developer: col80 (software 80-column Atari display - reverse engineered), jumpmanjr (reverse engineering of Jumpman Junior), defender (reverse engineering of Defender), img2atari (convert images to Atari 8-bit format), fujichat (IRC client), dla-asm (Diffusion Limited Aggregation) tmu45tools (tools for Atari 8-bit tf_hh 512K SRAM upgrade v4.5), bw-atari8-tools (Atari 8-bit utilities for *nix), atari8-self-relocator (create self-relocating
    Atari 8-bit executables), alftools (extract/create Atari 8-bit ALF archives
    on modern systems), taipan (Taipan! for the Atari), fujinet-updater (FujiNET Firmware update tool (command-line)), fujinet-chat (IRC client for Atari
    8-bit with FujiNet)

    Mark Watson 6/22 http://www.64kib.com/
    Developer: Atari 800/5200 FPGA (hardware re-implementations of the Atari 8-bit for FPGA platforms including Altera DE1, Chameleon, FPGA Arcade Replay, MIST, MCC-216, MCC-TV), pokeymax (POKEY chip replacement), GP32/GP2X/Gizmondo/Pandora port of Atari800 emulator

    Whizzo Software (Dan Noguerol, aka Farb) 6/22 Frankfurt
    Germany
    http://www.whizzosoftware.com/
    https://github.com/whizzosoftware
    Developer: SIO2Arduino (Atari 8-bit device emulator for Arduino hardware including Arduino Uno, Arduino Mega 2560/ADK, Teensy 2.0)

    James Wilkinson (slor) 5/16
    See also: Atari800 Emulator Developers
    See also: Eric Bacher
    https://sourceforge.net/u/emuslor/
    http://www.atarinet.com/
    Developer: Atari800 (co-developer), DIS6502 (co-developer), AtariNet 1.0

    Jim Wilkinson (jacobus) 5/16 https://sourceforge.net/u/jimwilkinson/
    Developer: Atari Launcher EEE (2008-08-22) (A front end for the various Atari hardware emulators, primarily the Atari800WinPlus emulator)

    Wordmark Systems (Charles Marslett) 1/18
    USA
    http://www.wordmark.org/
    Developer: MyDOS 4.51 (w/ R. Puff; 6/14/89), A65 assembler 1.2 (7/4/89), FastChip sources (Revision C, 30 November 1981).
    PC utility: ATUTIL (UTIL)(6/15/89)

    Chris Worton (boxapixels) 6/25 Finland
    https://boxapixels.net/
    https://github.com/boxapixels
    Developer: Atari ANTIC Displaylist Designer

    Jaros+eaw 'Roeoender' Wosik 2/26 Poland
    https://webchrono.pl/F16FalconStrike
    Developer: F-16 Falcon Strike version 2.0.2 released 2026-01-18

    WUDSN (Peter Dell / JAC!) 3/15 Weinhechstrasse 40
    66822 Lebach
    Germany
    Telefon: (0177) 8993513
    http://www.wudsn.com/
    Developer: demos: Visdom Demo, Disk Line Menu System, PD Mag 5 Intro, Top Mag Intro, Visdom II Demo, ABBUC Magazin 34 Intro, PD Mag 6 Intro, PD Mag Out of Space Intro, Instant Collection, ABBUC Magazin 69 Intro, ABBUC Magazin 70 Intro, ABBUC JHV 2002, Dieter und Gisela bumsen wie die wilden Tiere in Nachbars Whirlpool, ABBUC Magazin 99 Intro, HomeCon 5 Invitation, Fake Fade, PigXLs, Power Of 2, Expanding Universe, TV Noise Anthology, TV Noise Demo Maker, Silly Things, Badekapp Miel 3, Wallflower XL, RottoprojoXL, Cube is my Pron, Wallflower XL Remix, Wallcopper, RGBA - Rasters Girls Beer Atari, SillyPack 2k12, ASpongy, Silly Venture Guru, SillyPack 2k13, RebbStars,
    Boom!k. games: Starsquare, Time Zone. tools: The!Cart Studio (Cross-platform cartridge authoring), Atari Calculator ROM Version, Atari ROM Checker (Cross- platform ROM analysis), Atari ROM Maker (Cross-platform ROM creation).
    WUDSN IDE (v1.7.2 2021-04-01; integrated Apple II, Atari 2600, Atari 7800, Atari 8-bit, C64 and NES development plugin for Eclipse)

    ------------------------------

    Subject: X

    xyab 8/26 4566 Spring Rd
    Brooklyn Heights OH 44131
    USA
    tel: (888) 218-9610
    Developer: Joystick Controller Pad (replacement for Atari CX40)

    ------------------------------

    Subject: Y

    Erez Yaary (whomper) (Microvision) 2/25 Israel
    https://github.com/whomper
    Developer: EDOS (Atari DOS User Interface)

    Yoomp! developers (Marcin "Eru" Zukowski, Lukasz "X-Ray" Sychowicz, 7/21
    Bartek "BeWu" Wasiel, Piotr "0xF" Fusik)
    See also: Marcin Zukowski
    See also: Piotr Fusik
    http://yoomp.atari.pl/
    Developer: Yoomp! version 1.1

    ------------------------------

    Subject: Z

    zaxon (Piotr Bugaj Nowowiejskiego) 11/24
    14 m 38, Czestochowa, 42200
    Poland
    https://www.sellmyretro.com/user/profile/zaxon
    Developer: ATARI XE port expander: ECI + CART x2, Just XF551 (3.5" floppy disk drive), Atari XL/XE tape interface, Atari XE port expander, FujiNet
    Atari rev 1.7, Atari XF floppy drive clone board, 512 ram expansion: Atari
    800 XL, External 512 ram for Atari XE (eci port required), Atari S-Drive
    MICRO, 1050 mini (3.5" floppy disk drive), Atari XF351 floppy drive clone, A8PICO CART

    Yoda Zhang (Kemal Yun / Kemel Ezcan / KE-Soft) 1/15 Germany
    http://kemalsatariarchiv.gmxhome.de/
    Developer: KE-SOFT CD (contains everything published by Kemel Ezcan for
    the Atari, including all KE-Soft software, all issues of the ZONG disk magazine, and more)

    Zdenda (Zden-ck Zubr) 4/25 Czech Republic
    https://zzubr.cz/atari.html
    Developer: Zdendazuma I, Zdendazuma II, Zdenda's Monte, Pacman Labyrinth, Robot & Minion, Space Invaders Battle, Ufon, Ninja-Help-Icopter, Robbery, Firefighter Tob|!k, Multijoy 17Players Roulette, Bombeeno, Atari Hotline, Tetris-T, Color Recognizer, Demo, Demo, Demo, Software-Sprites, Demo,
    Greedy Bat, Weather Station, 6 Jukeboxes, Dark City Road,
    Planet Rescue Mission, Firefighter Tob|!k II, Eternal Meteors,
    Firefighter Tob|!k 3, Defense Horizon, Zdendassembler Studio 6502

    Marcin Zukowski (eru/tqa) 9/17
    See also: Numen
    See also: Yoomp! developers
    Netherlands
    http://lepix.sourceforge.net/
    Developer: LePix v.0.2.0 (painting program)

    ===================================================================
    End of atari-8-bit/vendev ===================================================================
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