RetroArch is a cross-platform, sophisticated frontend for the libretro API. Developed by libretro
License: Open Source
RetroArch is a versatile multi-platform emulator that supports a wide range of gaming systems and includes features like online play and multiplayer support. In contrast, Mame is focused specifically on arcade game emulation, offering a more straightforward experience but lacking the extensive features and customization options available in RetroArch.