UCI chess engine
Chess Database and Toolkit program
Chess Database and PGN viewer
Zoomable user interface (ZUI) with file manager, file viewers and more
A GNU/Linux operating system accessible for visually impaired.
Chess application whichs allows working with chess PDF books and PGNs.
javascript chess games viewer for websites, blogs and live broadcasts
Blind Chess using Taiwan rules
A promising chess program
simple chess game written in C
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
NetChess to play between two players over net or internet
Chess
A computer algebra system for research in combinatorial game theory.
SJCE - free portable cross-platform graphical chess game, 100% Java.