It is an open source project that helps calibrate CRTs and upscalers for classic game console video signals, as well as testing FPGA implementations and emulators.
MDFourier is an open source software solution created to compare audio signatures and generate a series of graphs that show how they differ.
This is a preservation project targeting X68000 floppy disks.
Links to junkerhq.net (8)
nanochess.orgChess programs, 8080 emulator, and retrogaming