A promising chess program
Chess Database and PGN viewer
Chess Database and Toolkit program
Chess application whichs allows working with chess PDF books and PGNs.
A cross-platform chess game.
simple chess game written in C
Dice endgames — generation of endgames with dices.
Divine generator of riddles for arrangement.
Zoomable user interface (ZUI) with file manager, file viewers and more
Orx: Portable Game Engine
GemRB is a portable open-source implementation of the Infinity Engine
RTS game with the theme of Strategy by Design
Arianne is an engine to develop multiplayer online games like Stendhal
Game engine supporting many 3D/2D formats and graphic effects
Simple and flexible programming language for applications development
Old style soccer game with many exciting features
a UCI chess engine
Chess program