What other High level APIs?

[XoSkely10]

The University of Manchester has a High Level API called Maverik. There's also Inventor, Performer and Optimizer. What other High Level APIs have been built on top of OpenGL?

[ToolTech]

We have made a High Level API called Gizmo3D which is a high performance platform independant scene graph API. You can download demos at http://www.tooltech-software.com

/Anders Modén