108
ChessBase GmbH
5,257
Commercial
ChessBase 13 is a personal, stand-alone chess database.
6
ChessBase
6
Commercial
has always been famous for excellent strategy and extraordinary technique.
22
Jon Dart
2,849
Open source
Play and learn chess using an opening-book database of over 800,000 moves.
4
ChessBase
19
Commercial
Junior has won multiple World Computer Chess Championships.
8
ChessBase
1,107
Shareware
The chess engine Rybka has become the touchstone in computer chess.