OrbitDesk is a Full-Featured, Hosted, and Managed HelpDesk and Support System. We built OrbitDesk for Businesses and Customers, NOT just for nerds and developers.

OrbitDesk works on virtually any web-connected device, both on the Customer Side, and the Admin/Agent Side.

Perhaps "Best of All" though, with OrbitDesk there are:

NO Hidden per Agent Fees
or Data Fees.