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
ChessMD is a Qt-based chess game viewer with engine analysis
Blind Chess using Taiwan rules
Divine generator of riddles for arrangement.
javascript chess games viewer for websites, blogs and live broadcasts
Bu chess An easy way to play and train chess on your PC
simple chess game written in C
Tool for chess teachers to create PDF files with chess diagrams in it
Chess training program playing gambits
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Dice endgames — generation of endgames with dices.
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
Batch tools for creating Polyglot books and PGN-based statistics.