UCI chess engine
Chess Database and Toolkit program
Chess engine written in Pascal with an UCI interface.
Zoomable user interface (ZUI) with file manager, file viewers and more
A GNU/Linux operating system accessible for visually impaired.
Chess Database and PGN viewer
A promising chess program
javascript chess games viewer for websites, blogs and live broadcasts
A free Chess program for Windows with a large set of features
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
simple chess game written in C
NetChess to play between two players over net or internet
SJCE - free portable cross-platform graphical chess game, 100% Java.
Chess pairing program for run through and round robin tournaments
Chess for the Blind for the JAWS or NVDA Screen Readers
RelaxChess, chess game that makes no search futher needed for a wow
icsdrone is an interface between a chess server and a chess engine
interface to play classic games (chess, checkers...) on PC