Web Help Desk is software that runs on Mac OS Server, among other platforms -- it's an enterprise "help tracking" package that allows small and large companies to track IT and help support across large teams and customer bases. Users access the ticketing system via their web browsers, or via their iPhones with the Web Help Desk iOS app.
The company that makes this software just got acquired by another IT software company called Solarwinds, but apparently Solarwinds is planning to do things over there a little differently: the Mac and Linux version download links have been removed from the website. A salesperson at the company emailed TUAW