Quake 2 GPL Source Release

Reverse-engineered ports of Build games using EDuke32 engine technology and development principles (NBlood/Rednukem/PCExhumed)

A simple resolution-handling library for LÖVE

Software Development Kit for id Tech

Clean-room reimplementation of Half-Life: Deathmatch and Half-Life (Experimental) in QuakeC.

Source Engine inspired level scripting tool for Unreal Engine featuring an input/output system for actors.

OpenAL Soft is a software implementation of the OpenAL 3D audio API.

Multi-Language Vulkan/GL/GLES/EGL/GLX/WGL Loader-Generator based on the official specs.

Blockbench - A low poly 3D model editor

WinQuake on SDL, 320x200, software mode only and functionally, entirely vanilla.

Simple DirectMedia Layer

FTE Web Bundler

Quake like you remember it.

collection of cc0 sounds ive collected over some time

The DarkPlaces Quake engine, created by LadyHavoc. Official Git repository (replaces SVN).

Simple QuakeC (MenuQC) UI system for FTEQW

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

Open source recreation of Daggerfall in the Unity engine

Chocolate Doom is a Doom source port that is minimalist and historically accurate.

A lightweight single-header cross-platform library for general windowing

A fast and lightweight IDE

Merge of ioquake3 features and fixes into RTCW code bases

Bugfixed and improved Half-Life

A lightweight text editor written in Lua

Quake .map support for Godot 4

Source SDK for Half-Life 1 (GoldSource)

Modular node graph based noise generation library using SIMD, C++17 and templates

Archive of all official Quake 1 releases.

The 2013 edition of the Source SDK

Extra bloaty junk to modernise stuff a bit.