a free, pleasant, PyGObject based chess game for the desktop that does everything you require from an advanced chess client.
A Modern Chess Database
Jerry is a free chess program
A free and strong UCI chess engine.
A graphical and command line interface for playing chess.
A command-line tool to run engine vs engine matches in chess.
Brutal Chess features full 3D graphics, an advanced particle engine, and several different levels of intelligent AI, inspired by the once popular »Battle Chess« released by Interplay circa 1988.
Chess tournament manager