If you are looking for a quick and easy way of syncing Microsoft Outlook folders with the Google Calendar service and planning to share Outlook folders with your friends, this program is for you.
Main features of Sync2 for Outlook with Google Calendar Sync:

• Synchronize multiple Outlook Calendars folders with the Google Calendar? Calendaring service.
• Two-way automatic and manual Outlook synchronization, even without opening Microsoft Outlook.
• Synchronize Microsoft Outlook Calendar folders on multiple PCs without a server.
• Extend your Outlook Calendar with Google Calendar features:
• Share Outlook Calendars with co-workers and friends via Internet.
• Web access for your Outlook calendar.
• Publish your Outlook Calendar to your website and blog.
• Calendar Mobile Access.
• for a complete list of Google Calendar features click here.
• Advanced filters for every calendar (by category, data range, labels, and privacy).
• Synchronize Outlook Calendars with multiple Google Calendar service accounts (support for Sync2 profiles).
• Assign selected Google calendars to selected Outlook Calendars.
• Calendar synchronization tool (Outlook Calendar sync / sync Google Calendar).
• Conflicts and Outlook duplicates resolutions.

For all Sync2 for Outlook software with Google Calendar sync features click here.
*GOOGLE and Google Calendar is a trademark of Google Inc