UCI chess engine
A generic, simple and fast implementation of Deepmind's AlphaZero
GUI of chess
Chess Database and Toolkit program
Chess Database and PGN viewer
ChessMD is a Qt-based chess game viewer with engine analysis
A GNU/Linux operating system accessible for visually impaired.
Chess application whichs allows working with chess PDF books and PGNs.
Chess engine written in Pascal with an UCI interface.
Zoomable user interface (ZUI) with file manager, file viewers and more
A promising chess program
A cross-platform chess game.
Divine generator of riddles for arrangement.
Chess training program playing gambits
Tool for chess teachers to create PDF files with chess diagrams in it
Chess program for windows and linux
javascript chess games viewer for websites, blogs and live broadcasts
Dice endgames — generation of endgames with dices.
Blind Chess using Taiwan rules
Elo Calculator - strictly implemented FIDE Rating Regulations
Java Schach Turnierverwaltung / Java Chess Tournament Management