Pygame - Pygame is a set of Python modules designed for writing games.
Paraview - ParaView is an open-source, multi-platform application designed to visualize data sets of size...
Unity - The multiplatform game creation tools for everyone.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Grit Game Engine - The Grit Game Engine is an MIT-Licensed Open Source Game Engine that is highly scriptable via Lua.
Tecplot 360 - Tecplot 360 is a software package used in post-processing numerical simulation results.