SPE is a python IDE with auto indentation&completion,call tips,syntax coloring&highlighting,uml viewer,class explorer,source index,todo list,pycrust shell,file browsers,drag&drop,Blender support.Spe ships with wxGlade,PyChecker and Kiki.
The Alhacen Ray Tracer is an open source real time ray tracer aimed at achieving competitive 3d graphics performance on everyday computers while allowing for dynamic reflections and global illumination. It is written in the C programming language.