ColEm
fms.komkon.org
A freeware emulator for DOS and Windows by Marat Fayzullin. Older source code for Unix/X is also available.
ColemPSX and ColemPS2
geocities.com
ColEm port for PlayStation and PlayStation2.
Mission
komkon.org
Freeware emulator for MSX-DOS.
ADAMEm
komkon.org
Open source emulator for AcornOS and DOS.
ColEm for OS/2
home.houston.rr.com
ColEm port for OS/2.
The Virtual ColecoVision Homepage
classicgaming.com
Freeware emulator for Win32 and the Java Virtual Machine. Sources for the Java version are available.
Mugrat
bannister.org
An emulator for MacOS X by Richard Bannister.