The new version of NeoAxis engine is out. NeoAxis Engine is an all-purpose, modern 3D graphics engine for 3D simulations, visualizations and games. Actually NeoAxis is a game engine: a set of different technologies that brings all you need to build your games: 3D rendering engine (based on OGRE), physics engine (based on PhysX and ODE), sound system (based on FMOD and DirectSound) and all other common components.
NeoAxis if free for non-commercial products but comes with limited functionalities. More information about licences here.