A promising chess program
Chess Database and PGN viewer
Chess application whichs allows working with chess PDF books and PGNs.
Zoomable user interface (ZUI) with file manager, file viewers and more
simple chess game written in C
Chess program
SJCE - free portable cross-platform graphical chess game, 100% Java.
Chess Database Application
Extensive Java chess database libraries.
Sunsetter, a chess, crazyhouse, and bughouse playing program
Java Chess Engine
Next generation web chess club
A simple 2D-Chess
Compact/ Chess Interchange Format