
ChessPad
ChessDB
Chess Tempo Database
Scid vs. PC
DecodeChess
Lichess
Chess Insight
Scid on the go
Smart Objects
ChessPad
Smart ObjectsChessDB - ChessDB - a free Chess database for Mac OS X, Windows, Linux, and UNIX - like ChessBase, but better
Chess Tempo Database - Chess Tempo Database gives you a library of more than 2 million searchable chess games.
Scid vs. PC - Chess database and playing program.
DecodeChess - AI chess tutor and analysis
Lichess - The complete chess experience, play and compete in tournaments with friends others around the world.
Chess Insight - Chess Insight is a chess tutor that helps you with a number of analytical powers for judging every move in chess.