[rguetzkow]

The Blender Foundation is quite upfront about this though to prevent misunderstandings. It's directly addressed on the page that explains the license: https://www.blender.org/about/license/

[dagmx]

The case in point here though was GIMP not Blender. I'm not sure whether they provide or provided such clarification.

[rguetzkow]

They do in their FAQ: https://www.gimp.org/docs/userfaq.html#can-i-use-gimp-commer...