Spotify - Map shows when two people play same song at same time
Plexamp - A small music player with a number of unique features
Apple Music - Apple Music app combines your personal iTunes library with Apple's music subscription service. Music you have purchased from the iTunes store, or synced over from other sources, is available in the "Library" tab. Read more about Apple Music.
Headset - Personal music player for Youtube and Reddit
TIDAL - Tidal is a streaming music service supported by some of the most influential artists working in the industry.
Poolsuite™ - The super-summer music player