RetroArch - RetroArch is a frontend for emulators, game engines and media players.
ScummVM - Game engine recreation of SCUMM made by LucasArts.
Snes9x - Snes9x is a portable, Super Nintendo Entertainment System (SNES) emulator.
DOSBox - DOSBox is a DOS-emulator that uses the SDL-library.
BSNES - bsnes is a Super Nintendo (SNES) emulator focused on performance, features, and ease of use.
OpenEmu - Console and Arcade video game emulator for macOS.