Open Source Geospatial Foundation
MapGuide Open Source is a platform for developing web mapping applications.
A comprehensive open-source tool to create your own 2-D animated games.
Cool Music Card will help you create personalized multimedia greeting cards.
Falling Block Game 2 is a puzzle game a la Tetris.
Game Downloader is a tool that helps you download free games.
Open Dungeons Community
OpenDungeons is an open source, real time strategy game.
Open Sonic is an open-source game based on the "Sonic the Hedgehog" universe.
An open source cross-platform music tagger written in Python.
I. De Marchi
WPieces is an open source game based on the Chinese game called Tangram.
Neural Networks Research Group
Open source game platform designed for game AI research.
An open source game that tries to convert the popular game Minecraft in 2D.
Miguel Escudero Gestal
Tubularix is an open source game based on the classic puzzle game Tetris.
It is an open source game archive (Quake PAK) unpacking program.
Widely used and well-supported open source game and simulation engine.
Nathaniel Sherry and Matt Lawrence
OpenFracas is a free, open-source game that is similar to Risk.
Killer Kiwis is an open source game where you need to defeat 2 kinds of enemies.