Spotfy - The frontend app for delivering Spotify's content by Spotify's API. It does not require any account to use the app and allows to anonymously listen to music, podcasts, etc.
Spotify - Map shows when two people play same song at same time
eSound - Your music. Without limits.
SoundCloud - Enjoy music & follow favourite artists
Blinkist - Key insights from 6,000+ bestselling books and podcasts
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