Updated: 12/29/2005
Emulators
Amiga In A Box , 4,000kb
Amiga emulator. Requires UAE, WinUAE, an Amiga Kickstart ROM (must buy this). [Report a dead link]
http://aiab.emuunlim.com/

Atari 2600 , 148kb
An Atari 2600 emulator. For windows and DOS. [Report a dead link]
http://www.whimsey.com/z26/z26.html

Atari 800
Atari 800 emulator. [Report a dead link]
http://atari800.sourceforge.net/

Atari 800 emu faq
Atari 800 emulator FAQ for new users. [Report a dead link]
http://www.sonic.net/~nbs/new_and_emu.html

Atari ST (Pacifist)
Emulate Atari ST. [Report a dead link]
http://www.atari.st/pacifist/

Atari800win
Free Atari 800 emulator for windows. Find roms at http://www.cstone.net/~rich/atari_roms.zip and system disks at http://www.cstone.net/~rich/atari_disks.zip. [Report a dead link]
http://www.cris.com/~Twist/atari800win/

Emulators inc
Emulator website. [Report a dead link]
http://www.emulators.com/

Gemul8or
Emulates Atari ST, Atari 8-bit, and Macintosh. [Report a dead link]
http://www.emulators.com/gemul8r.htm

Softmac Express
Emulate a mac on Windows. [Report a dead link]
http://www.emulators.com/

UAE
Amiga emulator for Amiga 500/1000/2000. [Report a dead link]
http://www.freiburg.linux.de/~uae/

WinUAE
Frontend to UAE? [Report a dead link]
http://www.codepoet.com/UAE/

Xformer
Emulates Atari 800/400. The 1980's are back! PC Xformer runs your Atari 400/800, Atari 800XL, and Atari 130XE software on your PC. PC Xformer is optimized for today's 486 and Pentium computers and is available in two versions: [Report a dead link]
http://www.emulators.com/xformer.htm