Joe KissellSenior Contributor, Macworld

Joe Kissell is a senior editor of TidBits and the author of numerous ebooks in the Take Control series.

BusyMac BusyCal 1.0

Apple's iCal ( Macworld rated 4.5 out of 5 mice ), included with OS X, is easy to use--and its price can't be beat. But it's not especially powerful or flexible...