1)   OggSync 2.15 GA
OggSync 2.0 FreeWare provides full 2 way sync from your phone to one of your Google calendars. Full support for repeating events, and changes to those repeating events and uses over the air or cradled connections so you can always be up to date.
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 2)   OggSync for Outlook: Google Calendar Sync Add-in 3.19
Microsoft Outlook Add-in to sync Multiple Google Calendars to Multiple Outloooks Now you can take charge of ALL aspects of your life while at the same time keeping them separate! Combined with the power of Google Calendar, OggSync for Outlook delivers
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