doubleTwist - Music Player for the Internet of Things. Described as the iTunes for Android, doubleTwist brings you music, radio and podcasts everywhere. Free download.
Pushbullet - Pushbullet - Your devices working better together
iSyncr - iSyncr lets you sync iTunes playlists with your Android phone.
AirMore - AirMore is a cross-platform toolset that can help you manage any Android device wirelessly.
SYNCiTunes - Do you have an iPod, but you don't like to use ITunes for managing your audio files?
MyPhoneExplorer - WHAT IS MY PHONE EXPLORER? Imagine if your PC could be used to keep track of your mobile phone? How would you utilize a PC client that connects to your phone? Read more about MyPhoneExplorer.