CrowdSim3D
CrowdSim3D is an advanced crowd simulation add-on for Blender.
www.crowdsim3d.com
B3d101 is a platform for learning 3D modelling, gaming and animation using Blender and Python for young students.
www.b3d101.org
Developers of Blender's compositor. A world wide used compositing system.
www.blender.org
Tool for reading and writing Blend files.
https://pypi.python.org/pypi/blender-file
Tool for reorganizing Blender's production files.
https://code.google.com/archive/p/blender-aid/