aux.app - A free web-based music platform to play music from other popular online streaming services.
Your 2017 Wrapped by Spotify - Relive all the music you discovered and loved in 2017.
Jukebox - Collaborative music player
Spotify.me - Beautiful analytics on your Spotify listening habits 🎧
humit - A social networking app for music sharing and discovery.
Spotify - Map shows when two people play same song at same time