Atari 64: This is the Commodre 64 KERNAL, modified to run on the Atari 8-bit line of computers. They're practically the same machine; why didn't someone try this 30 years ago?

Atari 8-Bit Computers: comp.sys.atari.8bit Frequently Asked Questions.

Atari 8-bit computers: 400/800/XL/XE (ITA): Benvenuti… nel primo sito in lingua italiana dedicato ai computer Atari a 8 bit prodotti dal 1979 al 1991: 400, 800, 1200XL, 600XL, 800XL, 800XE, 65XE, 130XE, XEGS.

Atari 8-bit Forever: Site dedicated to Atari 8-bit home computers.

Atari Compendium

Atari Document Archive: The concept behind this site is to preserve official Atari documents. Those pertaining to the Atari ST line of computers. Since Atari (as we know it) is gone there isn't any way to obtain all of these documents. Some of them, but not all, are available on various sites scattered on the internet.

Atari Forum: A forum about Atari 16/32 computers and their clones. This forum is in no way affiliated with Atari Interactive.

Atari Gamer: Atari Gamer is a historical preservation project for the Atari Lynx console. The major aim is to compile the most comprehensive list of past and present Atari Lynx game variants and associated collectibles out there. In addition to the game database, you will find tools to assist with game collection tracking, advise on game rarity, game cheats and tips, game reviews, news about the thriving Atari Lynx homebrew scene and a whole slew of amazing articles!

Atari History Museum: Welcome to the Atari History Museum. This site is the culmination of years of research and hard work by enthusiasts with the support of numerous former Atari employees and is intended to provide images and information on all areas of Atari. Our mission is the preservation of all things Atari (Its history, products and knowledge.) This site provides information, images and personal stories on all items produced by Atari as well as news and links to further assist any and all individuals interested in learning more about the company that helped to pioneer and shape many areas of Video Arcade Entertainment, Home Consumer Electronics, Personal Computer Systems and much, much more…

Atari Mania: The World's Finest Atari Database : games, demos, utilities for 2600, 5200, 400, 800, xl, xe, st and falcon.

Atari PC: Welcome to AtariPC.net, a resource site dedicated to the PCx Series of IBM Compatible PC’s built and sold by Atari and quite possibly home to the largest collection of Atari IBM PC’s in the Southern Hemisphere.

Atari Projects: Welcome to Atari Projects! This web page is devoted to posting fun projects for Atari home computers and video game systems. The goal is for each post to be a self-contained project that can be completed in a short amount of time. Projects will include programming, software, and hardware. Some will be authentic to back in the day and some will involve new software and hardware that has been developed within the last 10 years. This page will only include 8-bit computer and video game systems including the 400/800, 600XL/800XL/1200XL, and 65XE/130XE series of computers as well as the 2600/5200/7800/XEGS consoles. We hope you will find this resource useful for making the most out of your Atari retrocomputing and retrogaming time.

Atari ST - Essential software (The List): As discussed at http://atari-forum.com.

atari-mint: MiNT is Not TOS: A Multitasking Operating System Extension for the Atari ST. This is an archive of the last “official” release of MiNT, a multi-tasking operating system for the Atari ST. I wrote it back in the 1990s, and Atari licensed it and then hired me to work on it.

ATARI SXEGS Cartridge: Cartridge board and Housing for ATARI 65XE/130XE/800XE/XEGS/1200XL/800XL/600XL/800/400 8-bit computers based on SST39SF040 CMOS multi-purpose Flash memory chip. This is a S/XEGS type cartridge that allows you to store and run dozens of games.

AtariAge: AtariAge is dedicated to bringing you the latest Atari news, providing support for the Atari community, and maintaining an extensive historical archive. We also sell new games for the Atari 2600 and 5200, in addition to accessories and collecting supplies. Have you played Atari today?

AtariAge - Atari 8-Bit Computers: Topic for newbies

AtariAge - Atari ST/TT/Falcon Computers: Atari ST, TT, Falcon Links.

AtariArchives.org: AtariArchives.org makes books, information, and software for Atari and other classic computers available on the Web. Everything here is available with permission of the copyright holders.

AtariBits

AtariWiki: Don't ask what this Wiki can do for you - ask what you can do for this Wiki!

Atarimax Home Page - APE: Atari Peripheral Emulator for DOS and Windows. APE is an astounding new product that unleashes the POWER of your Atari 8 Bit computer, by making all the resources of your PC available for its use! Using only an inexpensive PC to Atari interface cable, APE provides super enhanced disk drive, modem, printer ApeLoader Interactive Menu, PC MIRROR services, AND MORE!

Atari_2600_Video_Mod: Convert Atari 2600 from RF to Composite video and audio with RCA jacks.

DrCoolZic Atari ST Site: Hello and welcome to this section of my site which is dedicated to Atari ST computers. When I started to re-use my Atari in 1998 only limited information was available on the net and most of the sites where either not maintained or disappearing. Today (in 2018) the situation has changed drastically and a lot of new projects and new sites are coming out. As amazing as it may seem the popularity of the Atari seems to be growing every year just check activities on forums like Atari-Forum.

FreeMiNT: FreeMiNT is a free, open-source operating system for 16/32bit Atari computers and clones. It is compatible with TOS, but adds a lot of new functionality not available in any other TOS-compatible operating system. Allows any number of GEM (with XaAES running) and TOS programs to run concurrently. Has memory protection to improve security and stability. Has built in network support and drivers for all existing networking hardware. Multi-user support. Has a wide array of system extensions to ease porting of unix programs.

ftp.pigwa.net: Welcome to the Atari FTP Archive! We're glad to see you enjoy the best computer ever. We are striving to archive as much atari/8bit/demoscene related material as possible and we're doing it since 2002 (previously known as ftp.atari.art.pl).

#FujiNet: #FujiNet was intended to be a network adapter that attaches to the SIO (Peripheral) port of an Atari 8-bit computer system but has become an all encompassing SIO peripheral emulator. The latest hardware prototype is a custom PCB design based on the ESP32-WROVER module and contains a custom SIO Plug and Receptacle.

Harmony: The Harmony Cartridge is a simple, affordable, time-saving, space-saving, hassle-free way to play hundreds of games on your Atari 2600 console. Using a Harmony cartridge is easy.

Portfolio Frequently Asked Questions, PORT.FAQ

SAM2600: A software speech synthesizer for the Atari 2600. Make your 2600 talk! Sing! Say rude words! Add voice to your own games and relive the glory days when computer speech had a charming personality and bounded intelligibility.

sdrive-max: Arduino based Atari 8-bit Floppy Emulator with Touchscreen.

SIO2SD: An Arduino-based floppy drive emulator for the Atari 8 bit computers.

Ultimate Cart: The Ultimate Cart is an SD-card based multicart for the Atari 8-bit, which I've been developing for the last few months. It allows you to browse the SD card on the atari and launch cartridge images from ROM and CAR files from the menu. The PCB is designed to fit in a standard grey cartridge case (after a bit of modification with some clippers and a file).

UnoCart: The UnoCart is an SD-card multicart for the Atari 8-bit (XL & XE), supporting ROMs,CARs,XEXs and some ATR files. It is the little brother of the Ultimate Cart.

UnoCart-2600: The UnoCart-2600 is an open source SD-card multicart for the Atari 2600.