An implementation of the language described in "Karel the Robot: A Gentle Introduction to The Art of Programming" by Richard Pattis et al. Both Java and C/Unix versions are available.
MyMan is a video game for color and monochrome text terminals in the genre of Namco's Pac-Man.
A system that takes annotated translations as input and produces a contextual dictionary, which users can then use as a resource for learning the language or for doing translations.
taTelnet is a cross-platform telnet program utilizing the wxWindows cross-platform GUI library. The motivation is that most telnet's (especially M$'s) don't work properly and what's worse is that you can't get the source code to fix it.