cinc is an emulator for Bell Labs cardiac (cardboard illustrative aid to computation) computer. cardiac is a base 10 computer that can be programmed in machine language. cinc allows users to run actual cardiac programs via emulation.
spim is a self-contained software simulator for running R2000/R3000 assembly language programs. It reads and can immediately executes files containing assembly language code.
Rdesktop is an open source client for Windows NT Terminal Server and Windows 2000/2003 Terminal Services, capable of natively speaking Remote Desktop Protocol (RDP) in order to present the user's NT desktop.
ZxLink is a multipurpose utility that lets you hook up your ZX Spectrum 48K/128K/+3 (8-bit home computers made by Sir Clive Sinclair) to an Unix machine.