This category covers emulators that emulate more than one type of arcade hardware.
Please note that sites with ROM files are not listed here but in Games: Video Games: Emulation: Arcade: ROM Images
MAME (or Multiple Arcade Machine Emulator) is an open-source arcade emulator that is available in ports for many different systems. This category covers these emulators and utilities for it, for instance frontends.
Please note that sites with ROM files are not listed here but in Games: Video Games: Emulation: Arcade: ROM Images