Sunfish: a Python Chess Engine in 111 lines of code
A promising chess program
Chess application whichs allows working with chess PDF books and PGNs.
Chess Database and PGN viewer
A work-in-progress chess bot written in C#
a UCI chess engine
Chess program
Julia chess programming library
SJCE - free portable cross-platform graphical chess game, 100% Java.
A console/ncurses chess engine frontend and PGN editor.
Extensive Java chess database libraries.
Java Chess Engine
icsdrone is an interface between a chess server and a chess engine
Next generation web chess club
Take the chess graphism, and use it with a chess engine.
A Java chess engine using xboard protocol
HTW Saar - PIB Projektarbeit 2013
A chess application : game with human and/or computer
A simple network chess game
Yet Another Chess ENgine