Versatile Commodore Emulator
VICE is an emulator collection which emulates the C64, the C64-DTV, the C128, the VIC20, practically all PET models, the PLUS4 and the CBM-II (aka C610). It runs on Unix, MS-DOS, Win32, OS/2, Acorn RISC OS, BeOS, QNX 6.x, Amiga, GP2X or Mac OS X machines.
Relational programmable database with GUI
MUIbase (Magic data BASE with User Interface) is a relational programmable database with user interface for Windows, Mac, Linux and Amiga.
FileX is GUI based HEX editor with advanced functionality.