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
Zoomable user interface (ZUI) with file manager, file viewers and more
Chess application whichs allows working with chess PDF books and PGNs.
A GNU/Linux operating system accessible for visually impaired.
A promising chess program
Elo Calculator - strictly implemented FIDE Rating Regulations
ChessMD is a Qt-based chess game viewer with engine analysis
Chess program
Blind Chess using Taiwan rules
A free Chess program for Windows with a large set of features
Edit diagram.sty LaTeX diagrams
javascript chess games viewer for websites, blogs and live broadcasts
Divine generator of riddles for arrangement.
simple chess game written in C