Raine is an emulator for Arcade games which emulates some games which use the M68000 or M68020 CPUs. The main focus is on emulating Taito and Jaleco games. The emulator is well written and is capable of emulating some games which Mame can't. Some of those are classics like Operation Wolf and Darius.
neoraine has been merged from Raine 0.62.
Raine supports Neo Geo CD. It has a great GUI, nice compatibility and support for various formats of the CD images (bin+cue, ISO+MP3, direct file access).
Also supported is Neo Geo and about 80 Neo Geo games.