This may interest some of you.


Crystal Space 0.96r002 is an Open Source 3D software and game 
development kit, written in C++, that supports true six degrees of 
freedom, colored lighting, alpha transparency, reflective surfaces, 3D 
sprites, volumetric fog, scripting (using Python or other languages), 
16-bit and 32-bit display support, OpenGL, and more. Crystal Space is 
free for Mac OS X, Linux, Unix, and Windows.



Prof. Dr. Stéphane DUCASSE (ducasse at iam.unibe.ch) 
http://www.iam.unibe.ch/~ducasse/
  "if you knew today was your last day on earth, what would you do
  different? ... especially if, by doing something different, today
  might not be your last day on earth" Calvin&Hobbes