Classic shoot 'em up game. Processing
The solution to all your problems
An Open Source RPG - a tabletop game
New exercice on the Qt Library
An Action Adventure Space Physics Game
cross-platform 2d game engine
Space Invaders, simple, Ad free, and Open Source.
SkyRiot Free For Android
Open Source Breakout Clone
LEGADEE (LEarning GAme DEsign Environment)
Cross Engine is game engine for Windows, Mac, Linux and Android
The classic intelligent role playing game
Very Powerfull Crossplatform Qt Based Music Note Editor[Still Planing]
Nurikabe, a great game.
DRINKS is a set of smart web-based widgets.
OSGET is the first open source mobile game engine template.
Cross-platform 2D game engine
A highly modifiable particle-simulation sandbox game
Delphi-like IDE for cross-platform game development