Blender supposed to be GPLed software, right?
That doesn't stop people from making money selling Blender, tho.
http://www.blender.org/blenderorg/blender-foundation/press/re-branding-blender/
These guys are scammers....
A while back there was some guy selling a rebranded version of Anim8or. There's also this other guy selling Celestia under the name 3D Astronomer.