...Version number corresponds to the version of OpenSceneGraph that PyOSG should work with (e.g. PyOSG 2.8 should work with OpenSceneGraph 2.8.x). Still in early stages, so email mday299 if any problems!
This software can be used for relief and normal maps calculation by 3D sculptors and designers. Reliefer can be called from Blender by means of Python script. It's a GPU-based visual computing application so requres OpenGL 2 compitable video subsystem.
...By now
it provided several features like scenetree, mesh/skeleton mesh rendering and animation, terrain, materials, textures, multiple viewports, Python exporter for Blender and so on.