Official Sunflow Repository - Sunflow is an open source rendering system for photo-realistic image synthesis.

Advanced shading language for production GI renderers

OpenImageIO

Advanced shading language for production GI renderers

C++ (with python bindings) library for easily reading/writing/manipulating common animation particle formats such as PDB, BGEO, PTC. See the discussion group @ http://groups.google.com/group/partio…

A library for storing voxel data on disk and in memory.

Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.

[NO LONGER MAINTAINED] A library for storing voxel data on disk and in memory.

C++ (with python bindings) library for easily reading/writing/manipulating common animation particle formats such as PDB, BGEO, PTC. https://wdas.github.io/partio