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
Free, large chess game collection in a database for Scid
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.
javascript chess games viewer for websites, blogs and live broadcasts
Chess training program playing gambits
Tool for chess teachers to create PDF files with chess diagrams in it
Scripts and tools for Windows.
A promising chess program
Elo Calculator - strictly implemented FIDE Rating Regulations
UCI chess GUI
NetChess to play between two players over net or internet
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
Java Schach Turnierverwaltung / Java Chess Tournament Management
Puzzle game with chess pieces
Attempt of W. O. P. R. implementation with Ada
Divine generator of riddles for arrangement.