IsoCity: City building simulation game
Godot game template and component-based framework
Lutris desktop client in Python
Multiplayer FPS game - Counter-Strike: Football
Java/JavaFX/Kotlin Game Library (Engine)
Fully async, multithreaded, predictive, open source, 3.01 reach
An elegant Go board and SGF editor for a more civilized age
3D game engine/framework in C, with Luajit and Python bindings now
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Cross-platform game engine in Rust
A free/open source client and automation tool for Ragnarok Online
Go bindings for raylib, a simple and easy-to-use library
Magic Another Game Engine
The HTML5 Creation Engine
Source code repository of the FreeOrion project
Azuriom is a complete open-source web solution for game servers
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Godot Minimal Theme
Community effort to maintain and improve Jedi Academy (SP & MP)
A multi core friendly rigid body physics and collision detection lib
2D JavaScript Physics Engine
Minecraft developer Chinese guide
TGMC: TerraGov Marine Corps, a SS13 mod
Minecraft server optimization guide