Zhu3D is an interactive OpenGL-based mathematical function viewer. You can visualize functions, parametric systems and isosurfaces. The viewer supports special effects like animation, morphing, transparency, textures, fog and motion blur.
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.