Muzooka - Verified artist photos, bios, social links and more for your app.
Join My Playlist - Listen to music live together with your friends in Spotify.
Songshare - The fastest way to share what's playing on your Mac 🎶
Parallel - Listen to music with friends over Spotify at the same time
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
TuneMeet - Chat with people who are listening to the same song