ogre is pretty good, one of the fastest and has non LGPL licencing avaliable. A lot of addon libs to build a framework from. Also quite a few commercial games are on the way. Two were released just this month. A sequel to Ankh (adventure game) The first one was released earlier this year.
http://www.ogre3d.org/index.php?set_albumName=album45&option=com_gallery&Itemid=55&include=view_album.php
and Pacific storm, a kind of WW2 flight sim with RTS elements.
http://www.ogre3d.org/index.php?set_albumName=album28&option=com_gallery&Itemid=55&include=view_album.php
http://www.ogre3d.org/index.php?set_albumName=album45&option=com_gallery&Itemid=55&include=view_album.php
and Pacific storm, a kind of WW2 flight sim with RTS elements.
http://www.ogre3d.org/index.php?set_albumName=album28&option=com_gallery&Itemid=55&include=view_album.php