Chess Tempo Database - Chess Tempo Database gives you a library of more than 2 million searchable chess games.
Knight Maneuver - A mini chess game
DecodeChess - AI chess tutor and analysis
Perfect Circle - Test your designer skills!
ChessPad - ChessPad is a feature-rich chess game viewer and PGN file editor available for Windows.
Chesscademy - A fun and free way to learn chess.