Crystal Space

Preferred license: GNU Library or Lesser General Public License (LGPL)
Crystal Space is an Open Source 3D Engine and Game Framework. It is very portable and runs on GNU/Linux, Windows, and MacOS/X.
Actual source code produced by the student participants in Google Summer of Code™ for Crystal Space can be found here.
 
Current Projects
by Greg Hoffman, mentored by Marten Svanfeldt
by Pavel Krajcevski, mentored by Frank Richter
by Julian Mautner, mentored by Scott Johnson
by Michael Gist, mentored by Jorrit Tyberghein