Sunfish: a Python Chess Engine in 111 lines of code
Prebuilt UCI- and XBoard-compatible chess engines.
Batch tools for creating Polyglot books and PGN-based statistics.
The macOS & iOS file archiver
Portable UCI- and XBoard-compatible chess engines.
A promising chess program
A new -better- chess variant , *Fair-Chess* ! (also with handicaps)
Scripts and tools for building and testing chess engines.
A beautiful, easy-to-use and ad-free comic and game client
Dice endgames — generation of endgames with dices.
Chess application whichs allows working with chess PDF books and PGNs.
javascript chess games viewer for websites, blogs and live broadcasts
JK's Save Manager Switch Edition
ChessMD is a Qt-based chess game viewer with engine analysis
A free Chess program for Windows with a large set of features
Chess analysis, training and testing for Windows.
A cross-platform chess game.
Blind Chess using Taiwan rules
simple chess game written in C
Parabator 2 - Complete four hardest levels in the game
Python Touchscreen App Infrastructure with example Apps
An http server written in C for hosting correspondence chess matches.
Board games for eBook Readers like the Tolino, reMarkable, others
Parabator 2 - Free 3d board game
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)