Browse free open source Game development framework software and projects below. Use the toggles on the left to filter open source Game development framework software by OS, license, language, programming language, project status, and freshness.
A development environment focused on modding
Desktop/Android/HTML5/iOS Java game development framework
Open source HTML5 game framework that offers WebGL and Canvas
Fast and lightweight JavaScript game engine built on WebGL and glTF
The game engine for everyone
Godot is a powerful cross-platform game engine
One framework for creating powerful cross-platform games
Real Time Strategy game engine supporting early Westwood classics
Arianne is an engine to develop multiplayer online games like Stendhal
Open game and rendering engine packed into a JavaScript framework
A real-time game development platform
A simple and easy-to-use library to enjoy videogames programming
This pack add's custom object and rides into your "RCT3 Platinum" game
An API for interacting with Starcraft: Brood War (1.16.1)
Open Source MMORPG Framework
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
TX Library is a tiny graphics library for Win32 written in C++.
FreeCS is a free-software reimplementation of Counter-Strike 1.5.
Game engine supporting many 3D/2D formats and graphic effects
Orx: Portable Game Engine
Updated emulator of Forgotten Realms: Unlimited Adventures
Cross-platform 2D and 3D game engine