OpenRenderManagement is an open-source render management project.
The Core project is called Puli and is entirely written in python.
PuliUI is a GWT project that provides a simple web interface for OpenDispatcher.
OpenRenderManagement is distributed using the modified BSD license. Please read the "LICENSE" file for the legal wording.
To put it in a nutshell, OpenRenderManagement is free, as well as freely modifiable and redistributable.
You may use part or all of it in your own applications, whether proprietary or open, free or commercial or not.