UCI chess engine
A generic, simple and fast implementation of Deepmind's AlphaZero
Gui of chess
Chess training program playing gambits
A promising chess program
Chess Database and PGN viewer
Chess Database and Toolkit program
Batch tools for creating Polyglot books and PGN-based statistics.
Chess application whichs allows working with chess PDF books and PGNs.
Edit diagram.sty LaTeX diagrams
Tool for chess teachers to create PDF files with chess diagrams in it
Bu chess An easy way to play and train chess on your PC
Java Schach Turnierverwaltung / Java Chess Tournament Management
ChessMD is a Qt-based chess game viewer with engine analysis
Puzzle game with chess pieces
javascript chess games viewer for websites, blogs and live broadcasts
A cross-platform chess game.
Chess program
Dice endgames — generation of endgames with dices.
simple chess game written in C
Divine generator of riddles for arrangement.
A GNU/Linux operating system accessible for visually impaired.