Braxion Software: Bowling bracket and sidepot management software for Windows. Free demo available to download.
CDE Software: Bowling software for leagues, tournaments, brackets and automatic scoring centers.
Keggler Software Limited: Software company specializing in the delivery of applications (including bracket software) and I.T. consultancy for the ten-pin bowling industry
Treasure Software Co.: Sells Windows 95, 98, and NT applications, including Perfect Secretary, Perfect Brackets, Perfect Tournament, Perfect Bowler Manager, and Perfect BowlArt. Includes features, demo downloads, and FAQs.