UCI chess engine
Chess training program playing gambits
Scripts and tools for Windows.
NetChess to play between two players over net or internet
Tool for chess teachers to create PDF files with chess diagrams in it
a UCI chess engine
Python chess engine
EXCEL VBA chess engine with chess board
Extensive Java chess database libraries.
Java Chess Engine
icsdrone is an interface between a chess server and a chess engine
The world's smallest chess playing program just got smaller!
A weak open source java chess engine
free open-source chess engine interface
Chess engine, currently in development
An extremely strong chess engine.
A Chess Engine derived from Winglet
Chess engine