Cross-Platform Level Editor

OpenGL 4.6 on Metal

High-performance QuakeSpasm fork

Extra bloaty junk to modernise stuff a bit.

Unity level design plugin that adds support for Quake .MAP / Half-Life .RMF / Source .VMF, Q1 HL1 .WAD textures, and .FGD export.

A free and open source Quake remake with art under the BSD license

Xcode configuration file to turn up warnings

Awesome native Xcode extensions.

Exploring peripheral vision in games (using Quake)