Spotify - Map shows when two people play same song at same time
Habit List - Create good habits and break bad ones with the app that keeps you focused.
SoundCloud - Enjoy music & follow favourite artists
Momentum - Agile goal and performance management
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
Streaks - The to-do list that helps you form good habits.