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
Create meks and more!
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
Solve Go problems (based on GoGrinder GoGrinder.sf.net )
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