doubleTwist – sync your iPod, PSP & Blackberry in one free software
doubleTwist is a free alternative to iTunes - but not exclusively to the iPod or the iPhone. It also lets you organize and sync mobile phones, MP3 players, camcorders and cameras.
Easily sync your iTunes playlists, videos and photos with BlackBerry, Sony PSP, Nokia N & E Series, Android phones, Windows Mobile Phones and a handful of other devices - all in one, free software. doubleTwist is available for Windows and Mac users at the moment.