VolTK
A Lightweighted Toolkit For Volume Rendering
... supported
* GPU implementation: CUDA based implementation
* CPU-GPU correspondance
* Both low level interfaces and high level interfaces are provided
* Replace the components easily with your own design
* Various rendering modes: MIP/Isosurface/Full volume rendering
* Endoscopy interaction mode implemented
* Pre-integration supported
* Cross platform (windows and RHEL tested)