Chess Database and PGN viewer
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
The forever free, ad-free and open source chess server
RelaxChess, chess game that makes no search futher needed for a wow
Chess Database application
Extensive Java chess database libraries.
Chess engine, currently in development
A powerful chess engine written in C++
A Java chess engine using xboard protocol
Version 1.2
A chess engine in C# using bitboards
JavaScript chess with board rotation, pgn output, forward/back & save
Anni is on free open-source C# UCI bitboard chess engine