Wikipedia
XPlay
XPlay is a drag and drop application created by Mediafour. This third party program allows for easier access of digital music on an iPod and is not supported by Apple. It is notable for allowing Windows computers to use Mac formatted iPods.
A preview version was released in December 2001, with the first official release on June 24, 2002.
As of May 2008, the current version is XPlay 3; the cost is $29.95. This version integrates an iPod with the Windows operating system, allowing for the iPod to be managed using Windows Media Player, Windows Media Center, iTunes, or XPlay. It also allows the user to drag music, image, and video files from a disk directly onto the iPod.