Chex™ 3 GZD is forked from both GZDoom and LZDoom, and made to play the Chex Quest 3 IWAD/IPK3. Among other things, it removes violent assets and language, and plays the original 1996 videos.

Odamex - Online Multiplayer Doom port with a strong focus on the original gameplay while providing a breadth of enhancements.

The classic, refined DOOM source port. For Windows PC.

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

Crispy Doom is a limit-removing enhanced-resolution Doom source port based on Chocolate Doom.

Strife Veteran Edition GPL Source Release

Captains log and 3d star map for Elite Dangerous

Elite Observatory: Extensible tool for processing Elite Dangerous journals

a "Proof of Concept or GTFO" mirror with an extensive index with also whole issues or individual articles as clean PDFs.

Multi-monitor application. Swap primary display when playing games.

making this project open source for the peeps

List of GAME ID's in Uplay by Ubisoft

Apply to FNK0025

OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

An open source re-implementation of RollerCoaster Tycoon 2 🎢

OpenArena modifications to the ioquake3 engine

Quake III Arena GPL Source Release

The ioquake3 community effort to continue supporting/developing id's Quake III Arena

Steam Play compatibility tool to run games using native Linux engines

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

Vulkan Quake port based on QuakeSpasm

A collection of helpful cheat sheets for the game Kerbal Space Program by SQUAD

Decompilation of 3D Pinball for Windows – Space Cadet

🌳🏡🏢🌲 A city building simulation game

Build engine port backed by GZDoom tech. Currently supports Duke Nukem 3D, Blood, Shadow Warrior, Redneck Rampage and Powerslave/Exhumed.

Downloads commodity market and other station data from the game Elite: Dangerous for use with all popular online and offline trading tools.

ED Recon is an EDMC plugin for Elite Dangerous whose purpose is to provide intel about other commanders and in-game guidance for traders, explorers, bounty-hunters, and powerplay pledges.

Open content replacement for Hexen assets

new home for the Blasphemer IWAD

Custom "Jailbreak" firmware for the Analogue Super NT