1)   vSync for Outlook 1.10.0329
Convert (Export) all or selected Outlook Contacts or Calendar events to the vCard, vCalendar and iCalendar (iCal) file format. Import from a selected vCard, vCalendar, iCal file or all files from the selected folder to a selected Outlook folder.

 2)   GooSync Google Calendar Sync 1.0
Synchronize your Google Calendar with your PDA or mobile device for Free. Just register for the free service at www.GooSync.com. It's quick and simple, sign-up and start syncing. Never be without your vital calendar information again!

 3)   SyncWiz for Outlook 2.02
Convert (Export) all or selected Outlook Contacts or Calendar events to the vCard, vCalendar and iCalendar (iCal) file format. Import from a selected vCard, vCalendar, iCal file or all files from the selected folder to a selected Outlook folder.