A Balatro Modding Framework
Tools for Super Tux Kart server operators
Edit BZFlag world maps with 3D preview
A cross platform Lua based game engine
Planimeter Game Engine 2D - LÖVE-based game engine for Lua
Scriptable frontend for media applications.
Pear3DEngine is a modern and modular 3D development framework
Make games with Lego-like building blocks