These projects are no longer maintained.

draftcu.be - A cardset management solution (Ruby/Rails 3)
the grazing game - A game theory simulation (Ruby)
big three dieting - A dieting website (Ruby)
humidor - A humidor application (Ruby/Rails 2)
weakly electric fish - A simulation of electrolocation in weakly-electric fish (Java)
valubot & valuhack - An attempt to gain basic familiarity with a variety of programming languages