LÖVE

Hi there! LÖVE is an *awesome* framework you can use to make 2D games in Lua. It's free, open-source, and works on Windows, Mac OS X, Linux, Android and iOS.

Free Open Source Mac OS X Windows Linux Android iPhone BSD iPad FreeBSD

OGRE

OGRE (Object-Oriented Graphics Rendering Engine) is a scene-oriented, flexible 3D engine written in C++ designed to make it easier and more intuitive for developers to produce applications utilizing hardware-accelerated 3D graphics.

Free Open Source Mac OS X Windows Linux

Pygame

Pygame is a set of Python modules designed for writing games. Pygame adds functionality on top of the excellent SDL library.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad HP webOS

Allegro

Allegro 4 and Allegro 5 are cross-platform, libraries mainly aimed at video game and multimedia programming.

Free Open Source Mac OS X Windows Linux iPhone

pyglet

Cross-platform windowing and multimedia library for Python.

Free Open Source Mac OS X Windows Linux

ENIGMA

ENIGMA Development Environment -- A very high level language, compiled into a less high level language.

Free Open Source Mac OS X Windows Linux

Arianne

Arianne is a multiplayer online games framework and engine to develop turn based and real time games. It provides a simple way of creating games on a portable and robust...

Free Open Source Mac OS X Windows Linux BSD

SDL Game Engine

A platform independent 2d game programming framework for c/c++ programmers with least possible dependencies for easy porting and with focus on easy API calls and the...

Free Open Source Self-Hosted C++ SDL

Amulet

Amulet is a free Lua-based audio/visual toolkit suitable for small games and experimentation. It runs on Windows, Mac, Linux, HTML5 and iOS.

Free Open Source Mac OS X Windows Linux