RetroArch
Open Source
RetroArch is a cross-platform, sophisticated frontend for the libretro API.
MESS
Free Personal
Multi Emulator Super System (MESS) is an emulator for many game consoles and computer systems.
Mame
Open Source
MAME (Multiple Arcade Machine Emulator) is a free and open source emulator designed to recreate the hardware of arcade game systems in software.
Compare EmulationStation with alternatives
Compare RetroArch and EmulationStation and decide which is most suitable for you.
Compare Mame and EmulationStation and decide which is most suitable for you.
Compare MESS and EmulationStation and decide which is most suitable for you.