Library's

• 3d Engine's
  • http://www.panda3d.org/
• 2D Engine's
  • http://www.pygame.org/
• Physik library's
  • http://www.ode.org/ (3d)
  • http://www.box2d.org/ (2d)
• Storing Data
  • http://en.wikipedia.org/wiki/YAML/
• Data Visualisation
  • http://www.cgal.org/
  • http://www.vtk.org/
• Image Editing
  • http://www.pythonware.com/products/pil/
• AI
  • Pathfinding and Navigation mesh generation
    • http://code.google.com/p/recastnavigation/ (not tested myself)

Software

• Editor's:
  • http://www.activestate.com/komodo_edit/
  • http://www.openkomodo.com/

Other Websites

• http://graphics.ethz.ch/twiki/bin/view/GameClass/
• http://www.toymaker.info/html/links.html
• http://www.ambrosine.com/resource.php