| Atari 800 Emulator for the Mac: Macintosh port of David Firth's Atari800 emulator. | |
| Atari++: An open source 130XL, 400, 400XL, 800, 800XL, and 5200 emulator for Unix and Windows. | |
| Atari800MacX: MacOS X port of the Atari800 emulator. | |
| Atari800Win PLus: Windows port of Atari800 based on the original Atari800Win v2.5c sources. | |
| Atari800: An open source 800, 800XL, 130XE and 5200 emulator for BeOS/x86, DOS, Linux, TOS, Unix, Windows, and Windows CE. | |
| Rainbow/Mac: A MacOS X port by Richard Bannister of Rainbow. | |
| Rainbow: Shareware Atari 400/800/800XL/130XE/5200 emulator for MacOS and Win32. | |
| The CTH Emulator: An Atari 8-bit emulator that supports Winsock 1, OSS Supercarts and has better Sparta Dos support. | |
| TOSBOX homepage: A shareware emulator for DOS. |
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