Mini vMac - The Mini vMac emulator collection allows modern computers to run software made for early Macintosh...
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
Basilisk II - Basilisk II is an Open Source 68k Macintosh emulator.
Mesen - Mesen is a NES/Famicom emulator and NSF player.
Steem Engine - Steem is an open source Atari STE emulator for Windows and Linux.
Snes9x - Snes9x is a portable, Super Nintendo Entertainment System (SNES) emulator.