Mame - MAME stands for Multiple Arcade Machine Emulator.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
BSNES - bsnes is a Super Nintendo (SNES) emulator focused on performance, features, and ease of use.
FB Alpha - FB Alpha or FBA as it is commonly known is an emulator of arcade games, that is, it takes the...
ZSNES - ZSNES is a Super Nintendo Entertainment System emulator.
Nebula - Nebula is an arcade emulator.