A Python extension for the SQLite Embedded Relational Database.
Orange 3D, a game engine distributed under the zlib/libpng license, is an all in one solution, with IDE, level editor, 2d painter, 3d modeler, and possibly audio editing software all in one clean package, for free!
Slimn is a Python module (based on FLTK) for painting simple graphics to a window and responding to user input.
VocalEasel is a simple lead sheet editor and music rehearsal tool designed for the needs of Jazz vocalists, using LilyPond to produce printable lead sheets and MMA (Musical Midi Accompaniment) to produce MIDI accompaniments.
Zen Worlds is an object oriented C++ virtual worlds / MMO game engine framework. This project includes Zen Engine game engine client, Zen Enterprise, an Enterprise Service Bus, and a C++ Application Server, and Zen Studio, a game development IDE.
pyGLFW is a set of python bindings to the successful cross-platform GLFW. It is intended as a powerful and lightweight alternative to pygame for python OpenGL application development.