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)
Spotify - Map shows when two people play same song at same time
AnyTrans - AnyTrans is an ultimate product manager that converge your entire apple products and consolidates every access to all your content in one place including video, audios, images, messages, voice memo etc.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
CopyTrans - CopyTrans is a tool for managing the files on your iPhone or iPad through your computer's interface.
Deezer - Deezer is a music streaming app created in France. It is available in 180 counties and gets 16 million users a month. 6 million of the users have paid subscriptions. Read more about Deezer.