unspecified
- OCE - OpenCASCADE Community Edition
- mame - Multiple Arcade Machine Emulator
- mari0 - A recreation of the original Super Mario Bros with a portal gun
- mednafen - A multi-system emulator utilizing OpenGL and SDL
- meka - Sega 8-bit machine emulator
- mess - Multiple Emulator Super System
- qmc2 - M.A.M.E./M.E.S.S./U.M.E. Catalog / Launcher II, common files
- sdlmame-data - Data files for the SDLMAME package
- smesh - OpenCascade based MESH framework