There are 4 repositories under lightmap topic.
Tool that allows switching different baked lightmap sets on a unity scene at runtime.
In-browser lightmap/AO baker for react-three-fiber and ThreeJS
A script that handles converting Bakery RNM and SH directional lightmap bindings into a format that VRChat can process
📄 Triangle packer for light map
Experimental in-browser lightmap baker (ThreeJS, react-three-fiber)
Modernized Lighting System of Unreal Gold / Tournament (1996-1999) for Unity.
An OpenGL sample demonstrating path traced lightmap baking on the CPU with Embree.
A Blender addon supporting asset creation for Halo Reach, Halo 4, and Halo 2 Anniversary Multiplayer
This is a 3d engine written from scratch in my last semester on the university (Spring 2009)
id Software's Quake3 .MAP format compiler with BSP tree generation, polygon generation/optimization and bumpmapped lightmapping
Tool that allows switching different baked lightmap sets on a unity scene at runtime.
Automatic Halo 2 Lightmap Generation (Blender Script)
You are a Barbarian lost in the Foggy Forest!!!
Example Terraria Light Engine in Python and pseudo code to implement in any engine.