DeSmuME - DeSmuME is a freeware emulator for the NDS roms & Nintendo DS Lite games created by YopYop156.
John GBA - The GBA emulator is a software program that allows you to play Game Boy Advance games on your computer.
VisualBoyAdvance - VisualBoyAdvance (VBA) is a free software (GNU GPL) emulator targeted for the Game Boy, Super Game...
MESS - Emulates most gaming systems that exist, emphasizing accuracy over speed.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
Eclipse emu - Eclipse is a multi-platform emulator of Game Boy Advance and Nintendo DS games.