PURPOSE: Facilitate the construction of a graphics pipeline on the GPU with a node-based interface. Used for graphics demonstrations, perceptual experiments, research prototypes and teaching.
FEATURES: image and 3D object manipulation, generic GLSL nodes, filtering and color operators, 3D rendering, image reconstruction, etc.
logoWebsite: http://gratin.gforge.inria.fr/
Developpers: Romain Vergne, Gautier Ciaudo, Pascal Barla.
Source code: https://gforge.inria.fr/projects/gratin/
Paper: http://jcgt.org/published/0004/04/03/
Licensing: Mozilla Public License v2

Schwarpit pipeline: simplified implementation of this paper in Gratin.
Developper: Romain Vergne, Pascal Barla, George-Pierre Bonneau, Roland Fleming
Download: https://gforge.inria.fr/projects/gratin/
Licensing: Mozilla Public License v2