CTFs as you need them
Arianne is an engine to develop multiplayer online games like Stendhal
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
Event driven concurrent framework for Python
Asphyre is a cross-platform framework for Delphi and FreePascal.
computer simulation for my raspberry pi
evolution for vegastrike SpaceSim/Combat/Trade game
AutoTeach makes kids study and learn in exchange for internet access.
Game framework on top of Python, Panda3D and Twisted
The Lambda-Engine is a cross platform game engine.
Make games with Lego-like building blocks
A powerful cross-platform and open-source 3-D rendering engine.
Atlarius is no longer under development.