Capcom CPS-1, CPS-2 (plus ZN-1/ZN-2 sound) and Sega System-16 games
Comment
This is by the author of BeGameboy and BePCEngine. It emulates Capcom CPS-1 and CPS-2 games plus the QSound from ZN-1 and ZN-2 games. It also emulates some of Sega's System-16 based games. The original DOS port is no longer supported.