Lightbulb is a c++ artificial neural network framework, which is easy to use and powerful. It was especially written for to be used in games, but theoretically it can be used everywhere. The code is opensource and can be found on github.
TurtleRun is a platformer game, with some very interesting new features. The gravitation can be changed into all four directions, your weapon can be used for recoil jumping and savepoints can be set by the player anywhere in the game.