Megalui: 2D/3D OpenGL & C/C++ Library for Scientific Visualizations
Yet another music visualization project
Displays your photos on the walls of a maze
A 3D equirectangular panorama viewer, in C/GTK+
A 3D rendering / entity engine
Creator of mazes, with a recursive algorithm homemade (I'm not mathema
Easy to use physics simulation combining ODE with OpenInventor.