SimCoupé An open source emulator for Linux and Windows. http://www.simcoupe.org/

SimCoupe/MacOS An SAM Coupe emulator for the Macintosh that emulates the original SAM Coupe 512K computer. It is also able to function as a ZX Spectrum emulator. http://www.bannister.org/software/simcoupe.htm

ASCD An open source emulator for DOS based on SimCoupé. http://aley.borec.cz/progs/ascd/

Sinclair Emulators Home Page This is the home page for Paul Robson's Sinclair Emulators. There are two of these - a ZX80/81 emulator and a Spectrum Emulator. All are freeware, and the source code is available for those interested. http://members.aol.com/autismuk/sinclair.htm