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

VerletKha - A simple 2D Verlet physics engine
https://github.com/Devination/VerletKha

Just ported to Kha today. It's a lot of fun to fling these things around Try it out for yourself

zui - Immediate Mode Graphical User interface for Haxe Kha
https://github.com/luboslenco/zui

khasam - SAM for Kha
https://github.com/jefvel/khasam

khamint - Kha backend for mint library
https://github.com/memilian/khamint

z-particles - Particle system for Kha
https://github.com/RafaelOliveira/z-particles

spriterkha - kha renderer for spriter runtime
https://github.com/wighawag/spriterkha
https://github.com/wighawag/spriter (base library)
https://github.com/wighawag/spriter_test (demo)

I've recently created a 2D game engine based on Kha, which is here:

https://github.com/twinspire/Twinspire