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.
Zoomable user interface (ZUI) with file manager, file viewers and more
simple chess game written in C
a UCI chess engine
Chess program
SJCE - free portable cross-platform graphical chess game, 100% Java.
Chess Database Application
A console/ncurses chess engine frontend and PGN editor.