Self-hosted game stream host for Moonlight
Stream switch games to your PC via USB or network
Free game engine for development of desktop, mobile, and web games
Desktop/Android/HTML5/iOS Java game development framework
Write your game with TypeScript in UE or Unity
Solar2D Game Engine main repository (ex Corona SDK)
Multi Theft Auto is a game engine
Source code repository of the FreeOrion project
Recreation of the classic Grand Theft Auto III game executable
RPG Maker 2000/2003 and EasyRPG games interpreter
Descent 3 by Outrage Entertainment
Flax Engine, multi-platform 3D game engine
3D Procedural Game Engine Using OpenGL
A lightweight game server framework implemented with Actor Model
Multi-platform 2D and 3D game engine
FPS Unlocker for Roblox
C64/Amiga emulator with shader and runAhead
0 A.D. is a free, open-source, cross-platform real-time strategy game.
3D modeler, 3D game maker, 3D demo maker
MUD server, based on CircleMUD code, russificated
Urho3D Game engine
Real-time collision detection and multi-physics simulation for VR
A simulator for drones, cars and more, built on Unreal Engine
3D C++ Game Engine - yet another open source game engine
KlayGE is a cross-platform open source game engine