SubmitHub - SubmitHub makes it easy to contact music bloggers, Spotify playlisters, record labels and more. We give you all sorts of statistics and ways to filter who to send your music to.
Spotify.me - Beautiful analytics on your Spotify listening habits 🎧
Your 2017 Wrapped by Spotify - Relive all the music you discovered and loved in 2017.
Spotalike - Spotify playlist with similar songs, according to Last.fm
Spotify - Map shows when two people play same song at same time
Magic Playlist - Get the playlist of your dreams based on a song