Chess database, analysis tool, live and correspondence play app.
With Scid you can maintain a database of chess games, search games by many criteria, view graphical trends, and produce printable reports on players and openings. There are many more features as well, with Scid you can play against various engines, people on Internet (FICS), as well as by correspondence. Multi-language support. NOTE: Tiger users can build Scid from source, ask in the scid-user list for help.