Double Dummy Solver: Bo Haglund’s DDS program. Bo’s DDS drives BridgeThink’s play.
WBridge5: Yves Costel’s free bridge playing program. Computer Bridge world champion 2005, 2007, 2008.
Eddie Kantar Bridge: a fantastic resource, highly recommended.
Computer bridge programs: a history.
SuitPlay: a program to find the best line for suit combinations.
Bridge champions: a fine collection of pictures and interviews of bridge champions.