iCal4OL is a software for smart importing (with sync!), exporting and subscribing (as Remote Calendars) ICAL files (*.ics) and feeds in Outlook.
A perfect 2-Way Synchronization with Google Calendar, DAViCAL and WebCalendar is integrated!
Various options cover the needs of exchanging and synchronizing events in the iCalendar format with different applications & installations, eg. iCAL (Apple / mac.com), Sunbird or Websolutions such as Webcalendar, Google Calendar, DAViCal, eGroupware and iPhpCalendar.
* Highly configurable sync solution for Outlook calendars including Exchange folders.
* Stand-alone and background synching with Google Calendar, DAViCal, WebCalendar, eGroupware and others.
* ICAL files/feeds (*.ics iCalendar format) can be synchronized, subscribed as remote calendars and exported/uploaded as well.
* Multiple, user-defined configurations allow both simple and complex operations (filtering; adding colors & categories; handling attendees, invitations and reminders).
* Supports Http, Https, Ftp, WebDAV, CalDAV (DAViCAL) and GroupDAV (eGroupware 1.4.004).
* iCal4OL also syncs Google Contacts.
* Available in German, English and Italian.

The license of this software is Free Trial Software, the price is $24.00, you can free download and get a free trial.