UCI chess engine
GUI of chess
Chess Database and Toolkit program
Chess application whichs allows working with chess PDF books and PGNs.
ChessMD is a Qt-based chess game viewer with engine analysis
computer opponent for the board game Blokus
Analysis of Oware (Abapa) games
The forever free, ad-free and open source chess server
Chess Database application
An extremely strong chess engine.
JavaScript chess with board rotation, pgn output, forward/back & save
Read and write PGN format and test moves for legality.