Darkbasic PRO
Darkbasic professional
http://darkbasicpro.thegamecreators.com/
Crystalspace3d
Crystalspace3d
http://www.crystalspace3d.org/
Blender Gamekit
Blender Gamekit
http://www.blender3d.org/e-shop/product_info.php?cpath=21&products_id=74
3d Gamestudio
3d Gamestudio
http://www.conitec.net/a4info.htm
Gamebryo
Gamebryo
http://www.emergentgametech.com/index.php?source=gamebryo
Garagegames
Garagegames is a game development community changing the way spelletjes are made and played. tips, resources, forums, code and art
http://www.garagegames.com/
Touch Down
Touchdown entertainment provides 3d game development technology to game developers. we sell game development technology, sometimes referred to as middleware or game engines.
http://www.touchdownentertainment.com/
Reality Factory
Reality Factory
http://www.dhost.info/realityfactory/
Ogre
Ogre
http://www.ogre3d.org/
Irrlicht
Irrlicht
http://irrlicht.sourceforge.net/features.html
XNA
XNA
http://www.microsoft.com/xna