BusyCal 1.5が出ていました。iCal互換カレンダー。シェアウェア（$49）。
BusyCal 1.5 Release Notes
November 19, 2010
What’s new:
- Added support for the new MobileMe Calendar (CalDAV)
- Added CalDAV support (Snow Leopard iCal Server, Yahoo, Kerio, Zimbra, Communigate, and Beehive)
- Added Norwegian Localization
BusyCal 1.5 is recommended for all BusyCal users who wish to sync with thenew MobileMe Calendar or other CalDAV servers. Please click the links below for more information on the new MobileMe Calendar.
WARNING: You may upgrade to BusyCal 1.5 without any loss of functionality. However, upgrading to the new MobileMe Calendar may require significant changes to your calendar sharing workflow and affect other members of your workgroup. Please read the above documentation before upgrading to the new MobileMe Calendar. If you are uncertain about how your workflow will be affected, please contact us before you upgrade to the new MobileMe.
For more info, see the Release Notes History.