This is a list of libraries for or based on Kha. Found some more of those? Please reply right here. Also please feel free to ask questions/open threads about them in this category of the forum (should it get confusing at some point I'll create more forum categories and sort everything in).
Lue - 3D Engine
http://http://lue3d.org
Khapunk - port of the Haxepunk 2D game engine
https://bitbucket.org/stalei/khapunk
Komponent2D - component based game engine
https://github.com/Marc010/Komponent2D
KhaParticle - particle engine
https://github.com/Disar/KhaParticle
primitives - routines for 3D primitives
https://github.com/mebyz/primitive
noisetile - perlin noise based tiles
https://github.com/mebyz/noisetile