MusicBee - While iTunes might be the benchmark music organizer and player app, MusicBee is a strong alternative that many prefer.
foobar2000 - An advanced freeware audio player for the Windows platform.
Droid Transfer - Save and Print your Android Phone Messages, Manage Photos, Music and other files on your Android Phone through your PC. Android Transfer Software.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
CopyTrans Manager - CopyTrans Manager: The free iTunes alternative to manage iPhone, iPad and iPod without iTunes. CopyTrans Manager allows you to quickly drag and drop music and videos from PC directly to your iPhone, iPod or iPad.