wezu
4
Panda itself is under the (modified) BSD license, some third party components have different licenses (look: panda3d.org/manual/index.php … cense_info ).
As far as I understand it, there’s nothing stopping you from releasing your game code as GNU-GPL.
Blender.
For Panda-Blender interactions look for YABEE:
or wait for ninth to publish his newest toy:
Old PC.
If you have an openGL driver for that card then all should be ok, but I would stay away from shaders 
How easy is Panda? I’d say it’s as difficult as Python.
What I’m working on:
Mostly on an editor (doing trees since last week… ):