Football Data (Popularity: )
http://www.football-data.co.uk/ Provides soccer results and match statistics ready for use with spreadsheet applications to help with computer-based betting systems.
PlayMaker (Popularity: )
http://www.playmaker.com/ Provides a software game and sports simulation shareware program that runs on MACs and PCs.
Tennis Data (Popularity: )
http://www.tennis-data.co.uk Provides tennis results and fixed odds data for the development of computer based spread sheet betting systems.
Leapy's Pool Master (Popularity: )
http://www.leapydog.com/ Win/Mac freeware for managing NCAA basketball tournament pools. Features include statistical analysis, instant web page creation and point-and-click player entries.