Sidekick64Sidekick64: A Versatile Software-Defined Cartridge for the C64, C128, C16, plus/4
SIDKickSIDKick -- the first complete SID 6581/8580-drop-in-replacement that you can build yourself
gorilla-cpmGORILLA.BAS port to CP/M in Turbo Modula-2. Supported terminals: VT52, VT100, ANSI, ADM-31, KayPro, C128, Memotech monochrome, CPC / Zenith Z19
kernal64A Scala Commodore 64, 128, VIC20, CBM2 and SuperCPU emulator
queens-cpmEight Queen Puzzle - portable CP/M version, written on Commodore 128