UCI chess engine
Portable UCI- and XBoard-compatible chess engines.
Prebuilt UCI- and XBoard-compatible chess engines.
Scripts and tools for building and testing chess engines.
A promising chess program
Chess program
A free Chess program for Windows with a large set of features
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
The world's smallest chess playing program just got smaller!
"Kenny" is an XBoard/WinBoard chess engine based on "Winglet"
Enhancements and Bug Fixes to the Vulcan Tri-D Chess Program
Fixes Mouse Control in Vulcan 3D Chess Program
Read and write PGN format and test moves for legality.