Save The Penguins is a crazy space shooter with penguins and flying saucers.
BashBot project is IRC bot written in BASH.
aPong is a Pong game written in x86 Assembly language.
Sin/Cos calculator is a mathematical comand-line calculator.
MOS 6502 Simulator is sort of an emulator for a 6502 chip.
ntcpclient project is a GPL replacement for tcpclient from ucspi-tcp.
Holdon is a UNIX command line filter.