UCI chess engine
Prebuilt UCI- and XBoard-compatible chess engines.
Portable UCI- and XBoard-compatible chess engines.
Zoomable user interface (ZUI) with file manager, file viewers and more
Scripts and tools for building and testing chess engines.
Divine generator of riddles for arrangement.
A GNU/Linux operating system accessible for visually impaired.
A promising chess program
Dice endgames — generation of endgames with dices.
Blind Chess using Taiwan rules
A cross-platform chess game.
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Chess Cheats for Personal use
Java Schach Turnierverwaltung / Java Chess Tournament Management
This is a chess program to help you to organize any chess tournaments
Logical game
A JavaScript game library to quickly develop board games for the web
RelaxChess, chess game that makes no search futher needed for a wow
0xBench derivative
icsdrone is an interface between a chess server and a chess engine
Gnu/Linux Evolved interface
Educational Software for children aged 2 to 10.