NexChange Corporate Professional for

From Nextworks:

The NexChange line of products turns your Palm device into a super-charged Blackberry killer! It wirelessly delivers all of your important Outlook information without requiring an expensive middleware agent or desktop redirector.
Getting data from your Exchange server should be easy, quick, and inexpensive. It should never, under any circumstances, require interaction with your IT department. The nightmare is over. Welcome to the way it should have been all along. Walk this way and never look back.
This product, NexChange Corporate Lite, FINALLY enables Palm devices to wirelessly synchronize all Calendar, Contacts, Notes, and Tasks data with your Exchange 2000 or 2003 Server WITHOUT the need for a middleware server as is necessary with BlackBerry, Good, Extended Systems, Intellisync, Seven, etc. The Nexchange line of products connects DIRECTLY to your Exchange server keeping all of your data synchronized between Outlook and your handheld device...wirelessly! In a nutshell, it is a continuous, wireless HotSync operation of the PIM data stores. Plus, this product allows you the flexibility to use the front-end of your choice