UCI chess engine
Chess training program playing gambits
ChessMD is a Qt-based chess game viewer with engine analysis
Chess Database and PGN viewer
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
NetChess to play between two players over net or internet
a UCI chess engine
Chess program
Viking chess (tablut) game with CPU player
SJCE - free portable cross-platform graphical chess game, 100% Java.
Python chess engine
Chess Database Application
A console/ncurses chess engine frontend and PGN editor.
A two-dimensional classic game of Chess.
The forever free, ad-free and open source chess server
Basic console interface for 3 player chess in a 7x7x7 cube.