Custom launcher to manage multiple installations of Minecraft at once
Tray application that shows a battery indicator for an Xbox controller
Injectable LUA scripting system, SDK generator, live property editor
The flexible game engine
Open Source MMORPG Framework
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Experimental PlayStation Vita emulator
Open source clone of the Age of Empires II engine
dhewm 3 main repository
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Accuracy-focused XNA4 reimplementation for open platforms
A downloadable game for Windows, macOS, and Linux
Cross-Platform C++ 2D/3D game engine
RPG Maker 2000/2003 and EasyRPG games interpreter
A shield for the Arduino Mega that can back up video game cartridges
Flax Engine, multi-platform 3D game engine
2D game development library for Ruby and C++
Open-source engine for Heroes of Might and Magic III
An open source flight dynamics & control software library
3D Procedural Game Engine Using OpenGL
Open Source real-time strategy game engine for early Westwood games
Write your game with TypeScript in UE or Unity
Netcode that provides networking capabilities to GameObject workflows
Galgame's Multilingual Real-time Machine Translation Tool
A fast and reliable entity component system (ECS) and much more