MegaGlest is a real-time strategy game for up to eight players with a pseudo historic/fantasy theme and 3D graphics. Modding is easy thanks to simple XML formats and Blender export to the open G3D model format.
Thief Catcher is an educational game where you pursue a thief around the world. Your geography and cultural knowledge is under test!
A Mantis appliance that is easy to use and lightweight.
A software package that can help you run your railroad.