UCI chess engine
Portable UCI- and XBoard-compatible chess engines.
Play chess from your terminal
Sunfish: a Python Chess Engine in 111 lines of code
Prebuilt UCI- and XBoard-compatible chess engines.
A promising chess program
Scripts and tools for building and testing chess engines.
Chess Database and PGN viewer
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
NetChess to play between two players over net or internet
Lichess.org mobile application
a UCI chess engine
Chess program
SJCE - free portable cross-platform graphical chess game, 100% Java.
Chess for the Blind for the JAWS or NVDA Screen Readers
MOBMAT chess engine
RelaxChess, chess game that makes no search futher needed for a wow
Java Chess Engine
A fast bot for chess.com
Chess engine
An extremely strong chess engine.
A powerful chess engine written in C++