NTP Clock Sync forces Mac to update the date and time prior to the user log in.
Application to share and sync the contacts and Address Book groups.
Missing Sync for Sony PSP - Turn your PSP into killer mobile media.
It can schedule your meetings from your Microsoft Outlook.
Add, edit, and modify events, reminders, tasks directly from your Mac menu.
YABI is a simple application that keep iCal updated with your AddressBook dates.