UCI chess engine
A generic, simple and fast implementation of Deepmind's AlphaZero
A promising chess program
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
The forever free, ad-free and open source chess server
The world's smallest chess playing program just got smaller!
A simple 2D-Chess
JavaScript chess with board rotation, pgn output, forward/back & save
Teach beginners chess over internet
A chess game written is turbo pascal
Yet Another Chess ENgine
An open source chess server with client
PGN Viewer Oslo to load PGN chess notations from flat text file
Read and write PGN format and test moves for legality.