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
A GNU/Linux operating system accessible for visually impaired.
Chess application whichs allows working with chess PDF books and PGNs.
Chess training program playing gambits
A promising chess program
Divine generator of riddles for arrangement.
A cross-platform chess game.
ChessMD is a Qt-based chess game viewer with engine analysis
Tool for chess teachers to create PDF files with chess diagrams in it
Dice endgames — generation of endgames with dices.
Battleship Game for Debian Linux Systems
javascript chess games viewer for websites, blogs and live broadcasts
Bu chess An easy way to play and train chess on your PC
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Batch tools for creating Polyglot books and PGN-based statistics.