转自：http://www.cnblogs.com/live41/archive/2013/05/11/3072282.html

CryEngine 3  http://www.crydev.net/

Unreal 3  http://www.unrealengine.com/

Unity3D  http://unity3d.com/

Torque 3D  http://www.garagegames.com/

Quest3D  http://www.quest3d.com/

Gamebryo  http://www.gamebryo.com/

BigWorld  http://www.bigworldtech.com/

Source Engine  http://source.valvesoftware.com/

EA DICE  http://dice.se/

Cocos2d-x  http://cocos2d-x.org/

OGRE  http://www.ogre3d.org/

Irrlicht  http://irrlicht.sourceforge.net/

Panda3D  http://www.panda3d.org/

Crystal Space  http://www.crystalspace3d.org