How can SyncMyCal utility help me share my Outlook® calendars without using Microsoft® Exchange server?
You can synchronize all your events to a common calendar of Google Calendar™ calendaring service. This implies that at any time all your event information would be online in the common calendar. If someone wants to synchronize with your events then he requires the Google Calendar™ calendaring service URL, username and password of the shared Google account. Thus, the other person can synchronize to your events without any Microsoft® Exchange server.