Jajuk - Jajuk is software that organizes and plays music using Java.
iMazing - iMazing lets you transfer music, files, messages, apps and more from any iPhone, iPad, or iPod to a computer, Mac or PC. Manage and backup your iOS device simply without iTunes. (was DiskAid)
Sayonara Player - Sayonara is a simple but nice audio player and holds a lot of features like a library, id3 tag...
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.
Pi MusicBox - Pi MusicBox is a great music platform where you can create songs and is the only streaming music player for Spotify, Google Music, Podcasts, SoundCloud, Webradio, and others.
CopyTrans - CopyTrans is a tool for managing the files on your iPhone or iPad through your computer's interface.