Browse free open source Game Development Frameworks and projects for Windows and Mac below. Use the toggles on the left to filter open source Game Development Frameworks by OS, license, language, programming language, and project status.
Cross-platform reimplementation of AMOS BASIC (runtime)
C++ game libraries plus server.
also download updates from files section
JavaScript framework to build game engines, games, emulators and apps
Hungry Hero is an open source Flash game built on Starling Framework.
Isometric engine for 2D rendering with XNA and SDL
A cross platform Lua based game engine
Modular Gaming Open Source Persistent Browser Based Game Framework
Event driven concurrent framework for Python