SaGE (SaneT Game Engine) is a Game Engine, built on top of the largely successful Open Source Irrlicht graphic engine, along with irrKlang for audio and IrrNewt for physics. Developed for the developers, but available to general public.
Just an example of a simple scene with debug info (0.1.6)
An example of Bloom and a simple trigger entity (0.2.1)
An example of the 3rd person camera in action (0.1.7a)