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.
Game Downloader is a tool that helps you download free games.
Falling Block Game 2 is a puzzle game a la Tetris.
Open Dungeons Community
OpenDungeons is an open source, real time strategy game.
Makslane Araujo Rodrigues
Game Editor Pro is a game creator that lets you create small 2D games easily.
Open Sonic is an open-source game based on the "Sonic the Hedgehog" universe.
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.
CTools is a free-to-use, open-source game editing package for Windows OS.