A great suite designed to deal with iCal, Address Book and Apple Sync Services problems
Version: 1.1Spanning Tools is a suite of utilities that analyze, report and fix dozens of problems with iCal, Address Book and Apple Sync Services.
License: Free To Try $19.99
Operating System: Mac OS X
The problems that can be resolved are ranging from the obvious, such as duplicated calendar events, to the subtle, such as invalid calendar dates but also poorly formatted contact names.