https://github.com/aqsis
https://github.com/shotgunsoftware
https://github.com/frigge/Blender-to-Renderman
https://github.com/erichocean/pixie
https://github.com/fohr/shaderman
https://github.com/timbowman/OpenSourcePipeline
https://github.com/animate1978/BlenderPyShotgun
https://github.com/animate1978/Prawn
