MAME (Multiple Arcade Machine Emulator) is a free and open source emulator designed to recreate the hardware of arcade game systems in software. Developed by Nicola Salmoria
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.