UCI chess engine
A generic, simple and fast implementation of Deepmind's AlphaZero
Chess Database and Toolkit program
GUI of chess
Zoomable user interface (ZUI) with file manager, file viewers and more
Prebuilt UCI- and XBoard-compatible chess engines.
Chess Database and PGN viewer
A GNU/Linux operating system accessible for visually impaired.
Portable UCI- and XBoard-compatible chess engines.
Chess analysis, training and testing for Windows.
ChessMD is a Qt-based chess game viewer with engine analysis
A free Chess program for Windows with a large set of features
Chess application whichs allows working with chess PDF books and PGNs.
Chess engine written in Pascal with an UCI interface.
The SCID 5 format in a clean, deterministic, modular architecture
Blind Chess using Taiwan rules
Scripts and tools for building and testing chess engines.
javascript chess games viewer for websites, blogs and live broadcasts
A promising chess program
Chess Stats is a slightly different way to analyze your chess games.
A new -better- chess variant , *Fair-Chess* ! (also with handicaps)