Blender 2.8
I was curious which UI framework blender uses. It implements its own using OpenGL. A lot of the UI code seems to reside in /source/blender/editors/interface. [1]<p>1: <a href="https://git.blender.org/gitweb/gitweb.cgi/blender.git/tree/HEAD:/source/blender/editors/interface" rel="nofollow">https://git.blender.org/gitweb/gitweb.cgi/blender.git/tree/H...</a>