Cassette#
Emulator#
Generic Information#
Graphics#
Hardware#
Computer#
Disk Drives#
Atari#
Third Party Drives#
Drive enhancements#
Tape Recorder#
Printer#
Modem#
Interface#
Video Upgrades#
Controller#
Voicebox/Sprachbox#
Cartridges#
Other#
History#
Literature#
Preservation#
Programming#
Rarity 10 and above up to impossible#
Related to Atari#
 Software#
 Atari Boxes#
 Atari Learning System Software#
 Atari Program Exchange (APX) Software#
 ATARI Cartridge Serial Numbers#
ATARI Conversational Language Series#
 Country Specific Atari Software#
France - P.E.C.F. Atari#
- Assembleur-Editeur (Cartridge: CXL 4003)
 - Atari Logo (Cartridge: RX 8032)
 - Ataritexte (Cartridge: RXF 8036)
 - Atlas	(Disk: APX 20055)
 - Attaque! (Disk: APX 20072)
 - Basic Microsoft Atari (Disk: AX 2025)
 - Budget Familial (Disk: APX 20108)
 - Cache-cache de mots (Cassette: APX 20140)
 - Calcul Algébrique (Disk: DXF 54001, Cassette: TXF 53001)
 - Caméléon (Disk: DXF 54016)
 - Catalogue de disquettes (Disk: APX 20056)
 - Centrale Nucléaire (Cassette:	CX 4123)
 - Chevalet Video (Cartridge: CXL 4005)
 - Comment Compter (Disk: APX 20148, Cassette: APX 10148)
 - Constructions electriques (Disk: APX 20215)
 - Crocodile + Flip Flop (Disk: DT 2009, Cassette: DT 1009)
 - Cubes	(Cassette: APX 20101)
 - Culture physique (Disk: APX 2003)
 - Débogeur pour assembleur et macro-assembleur (Disk: DXF 54102) 
 - Descente à ski (Disk:	APX 20063, Cassette: APX 10063)
 - Des chiffres et des Lettres (Cartridge: RXF 52001)
 - Drapeaux d'europe (Disk: APX 20149)
 - Editeur de sons (Disk: APX 20018, Cassette: APX 10018)
 - Extra-terrestres + Matuvu (Disk: DT 2011, Cassette: DT 1011)
 - Fichier Larousse de 15 000 Mots (Disk: DT 2020)
 - Front de l'est 1941 (Disk: APX 20050)
 - Géographie (Disk: APX 20164)
 - Gestion de données (Disk: APX 20059)
 - Gestion Familiale (Disk: APX 20108)
 - Gloup + Fleches (Disk: DT 2008, Cassette: DT 1008)
 - Golf + Barre (Disk: DT 2010, Cassette: DT 1010)
 - Graphe 1 (Disk: CX 4109)
 - Graphe 2 (Disk: APX 20074)
 - Géographie (Disk: APX 20164, Cassette: APX 10164)
 - Hickory Dickory (Cassette: APX 10071)
 - Initiation à la programmation en basic 1 (Cassette: CX 4101C)
 - Initiation à la programmation en basic 2 (Cassette: CX 4106C)
 - Initiation à la programmation en basic 3 (Cassette: CX 4117C)
 - Insectivores + Concentration (Disk: DT 2012, Cassette: DT2012)
 - Jeu du royaume (Cassette: CX 4102)
 - Jouer du piano (Disk:	APX 20062, Cassette: APX 10062)
 - L'ampoule electrique (Disk: DXF 54002)
 - L'énigme du triangle (Disk: DXF 54015)
 - La boite à musique (Disk: APX 20182, Cassette: APX 10182)
 - La chasse aux fautes + La course aux Hapax (Disk: DT 2006, Cassette: DT 1006)
 - La gamme d'Agam (prototype)
 - La quête du graal (Cassette: DT 1005)
 - Les bonbons + Chaos (Disk: DT 2013, Cassette: DT 1013)
 - Limonade (Disk: APX 20001, Cassette: APX 10001)
 - Macro Assembleur (Disk: CX 8121)
 - Mathematic-Tac-Toe (Disk: APX 20082, Cassette: APX 10082)
 - Ministre de l'énergie	(Cassette: CX 4121)
 - Music Composer (Cartridge: CXL 4007)
 - Nostradamus (Disk: DXF 54013)
 - Promoteur (Disk: DXF 54017)
 - Questions et réponses (Disk: APX 20081)
 - Statistiques (Cassette: CX 4103)
 - Super Biorythmes (Disk: DF 4001, Cassette: TF 4001)
 
Germany - Atari Deutschland GmbH#
Italy - Atari Italia S.p.A.#
The below broken links will be filled up with content in the future, meanwhile, please visit the incredible work from pioneers in that field:
Netherlands - Atari (Benelux) B.V.#
United Kingdom - Atari Corporation UK#
Demo#
Disk Operating Systems (DOS)#
DOS Versions#
DOS Related Information#
Games#
Atari Basic Course: An Invitation to Programming 1-3:
Atari Basic Kurs (deutsch): Teil 1 und 2 sind vorhanden, Teil 3 wurde leider nie fertig
Source Code#
Applications#
- Atari Calculator
 - Synapse SynCalc
 - The Writer's Tool
 
Disk Operating Systems (DOS)#
- Atari DOS 2.0S Source Code
 ; Inside Atari DOS-Bill Wilkinson ; size: 39.8 MB
 - Atari 810 DOS Utilities Source Listing (DOS II)
 ; size: 46 MB
 - Atari 815 DUAL DISK CONTROLLER
 - Atari DOS II Assembly Source Listing
 - Atari DOS 2.5 Source Code
 - MyDOS 4.51 source code
 - SuperDOS 5.1 source code
 
Drivers#
- Original CX85 Keyboard Handler
 
Games (in the sequence the authors released the sources to the public)#
- Eastern Front 1941 ; 1981 from Chris Crawford
 - River Raid
 ; just Atari VCS 2600 source code
 ; Atari 8 bit source code is still missing
 - Donkey Kong
 ; size: 418 KB ; source code not quite complete, but very close
 - Fort Apocalypse
 ; 2015 from Steve Hales
 - Star Raiders ; 2015 from Doug Neubauer & Steve Hales
 - Sea Dragon
 ; 2015 from Russ Wetmore
 - Preppie!
 ; 2015 from Russ Wetmore
 - Preppie! II
 ; 2015 from Russ Wetmore
 - Blue Max ; 2016 from Bob Polin
 - Pong ; 1986 from Gary S. Domrow
 - Checkers Display ; 2017 from Carol Shaw
 - PAC-MAN
 
Programming Languages#
Assembler/Debugger:
- Atari Assembler Editor
 - Atari Macro Assembler and Program Text Editor (AMAC)
 - OSS EASMD
 - OSS BUG/65
 - OSS MAC/65
 - OSS MAC XL
 - OSS MAC XE
 - OSS DDT
 - Synapse Assembler
 - A65 Assembler
 - Bibo-Assembler
 
Action!:
- Action!
 
Basic:
- Atari Basic Source Code 1
 from The Atari Basic Source Book
 - Atari Basic Source Code 2
 - Atari Basic Source Code 3
 - OSS Basic A+
 - OSS Basic XL
 - OSS Basic XE
 - OSS Integer Basic
 - Microsoft Basic
 - Microsoft BASIC for 6502-Original Source Code from 1978
 - ATARI BASIC FOR GCC
 - Turbo-BASIC XL
 - Altirra Basic
 - Basic++
 
C:
- OSS TINY-C+ Version 1.1
 
Forth:
Lisp:
Logo:
Pascal:
Pilot:
- Atari Pilot
 - Atari Pilot II or Super Pilot
 
Quick:
Others:
- Atari Educational System Master Cartridge
 
Operating Systems (OS) #
- Atari 400-800 Operating System Source Listing Rev. A - C017893 (1981) ; pdf-file
 - Source listings for all Atari OS revisions
 ; size: 205 KB ; Source
 - Atari 400-800 Operating System Source Listing Rev. B (1982) ; ASM-file
 - Atari XL Operating System Source Listing ; Rev. 2 ASM-file
 ; Rev. 11 ASM-file
 - Carol Shaw's more accurate Colleen Floating Point Routines - ultimately not used in the OS: asm file
, text file
, original document
; see Atari Calculator for more info
 - FAST FLOATING POINT source code for the ATARI from Newell Industries & Charles W. Marslett
 - Atari OS Rev. A & B (1979) & Rev. 2 (1983) (Atari) (NTSC & PAL) (400-800-XL-XE) with FAST FLOATING POINT from above
 - Backus–Naur form