Callus is an emulator that emulates arcade games for Campcom System One Arcade Machines.

Impact is an emulator that emulates games from the Campcom ZN-1 and ZN-2 arcade machines. Impact emulates games like Street Fighter EX, Rival Schools, and Toshinden.

MAME is an emulator that can emulate many different arcade machines. You can play over a thousand arcade games with MAME. MAME is definitly the most popular arcade emulator.

RAGE is an emulator that emulates many SNK and Campcom arcade games.

RAINE is an emulator that emulates games from the Taito and Jaleco arcade machines.

Retrocade is an emulator that emulates a majority of games developed in the early 80's from many different arcade machines. It is a new emulator so right now you can only operate it through dos.

SHARK emulates around 20 arcade games. It emulates mostly shooting games from Taito.

System 16 emulates games for Sega's arcade machines.