quake-engine topic
richter
A modern Quake engine.
john-carmack-plan
An archive of John Carmack’s .plan files in readable markdown format
qfusion
Source code for cross-platform OpenGL gaming engine
Daemon
The Dæmon game engine. 20 years of development above id Tech 3. Historically based on id Tech 3 through ioq3, Wolf:ET and XreaL a very long time ago.
bsp_tool
Python library for analysing .bsp files
JediKnightPlus
Game modification for Jedi Knight II: Jedi Outcast Multiplayer with useful stuff and custom features
scopa
Unity level design plugin that adds support for Quake .MAP / Half-Life .RMF / Source .VMF, Q1 HL1 .WAD textures, and .FGD export.
QuakeOfficialArchive
Archive of all official Quake 1 releases.
Lugormod
Star Wars Jedi Knight: Jedi Academy popular RPG-style mod
awesome-quake
A curated list of awesome Quake related goodness