RetroArch is a frontend for emulators, game engines and media players.
Virtualization software for x86_64 hardware
Versatile Commodore Emulator
A multi-purpose emulation framework
Run Windows applications on Linux, BSD, Solaris, and Mac OS X
Create your own Atari tapes
Emulator of Timex FDD3000
Software development for 4Mb portable, using Z80 CPU and AA batteries
Builds of "FUSE" emulator with my own mods
Transfer disks and disk images between the Apple II and the real world
a multiplatform, full-featured GameBoy classic emulator
Teo is an emulator of the Thomson TO8 microcomputer
Script for portable installation of Cygwin
Archive of the Amiga emulator UAE
Amiga Emulator (UAE) for AROS
Full Smart Card support for Wine
Dynamips on MinGW