AgendaX

Gives managers, secretaries and co-workers an instant, web-based view of where people are, what they are doing, and when they are next available. AgendaX will seamlessly manage multiple time zones and allow global views of staff availability and resource allocation. AgendaX incorporates many features that allow you to take advantage of Outlook calendaring, Active Directory attributes and web views to give you the ultimate corporate resource portal. No client installation necessary and nothing is installed on Exchange Server. Supports all Exchange Server versions. New Version 6 available now!

You can get detailed information about connector on the product page http://www.agendax.net/

Source: http://www.agendax.net/