AlleyCat UI is a lightweight GUI toolkit which means it doesn't rely on native peers, like Blender objects or any of its GUI related APIs. It doesn't necessarily mean that it'd be faster in ...
UPBGE (Uchronia Project Blender Game Engine) is a fork of Blender created by Porteries Tristan (a Blender Game Engine developer) and some of his friends in September 2015. It's an independent branch, ...