* Roguestar 3D science-fiction roguelike game.
* RSAGL Roguestar Animation and Graphics Library. Supports 3D mathematics, some numerical methods relevant to graphics and animation, an FRP toolkit, 3D scene accumulation and management utilities, and some ray tracing elements.
* priority-sync Haskell task prioritization.
* blocking-transactions Atomic, composable transactions with locks.
* Positive Particle Puzzle Problem Flash Puzzle Game.
* Line of Duty Flash Arcade Game.
* NCurses Binding for Java Unmaintained JNI binding to ncurses from Java. There are better and more mature packages for this. I think CHARVA is one of the more popular ones.
* Cigol A logic solver in Java — something I wrote when I was a young computer science student and thought I was the first person to notice a relationship between relational databases and first-order logic. Use prolog.