s&box is a modern game engine, built on Valve's Source 2
A tool for recompiling Xbox 360 games to native executables
Tool to statically recompile N64 games into native executables
Community version based on the PCL open source secondary development
The Modrinth monorepo containing all code which powers Modrinth
A simple and easy to use mod manager for several games
Source code repository of the FreeOrion project
Minecraft map editor and mod
Fast and multi-source CLI program for managing Minecraft mods
Open source clone of the Age of Empires II engine
UZDoom is a feature centric port for all Doom engine games
A user-interface library, formerly known as text, for Minecraft
A free and open-source Touhou Project fangame
An unofficial rules engine for the world's greatest card game
Naev is a 2d action/rpg space game, action, rpg and simulation
A rhythm game made with HaxeFlixel
Botcraft is a cross-platform C++ library to create bots
Injectable LUA scripting system, SDK generator, live property editor
A toolbox for Sid Meier's Civilization
A free, open-source mod that lets you translate any Unity game
Mod Installer for the PC version of Gorilla Tag
FiveM is a modification for Grand Theft Auto V
RTSish Game Engine
Modding CLI tool kit for Amnesia: The Dark Descent
This is a Units Editor for Empire At War which will make things easy.