Spotify - Map shows when two people play same song at same time
FitrWoman - Exercise, nutrition & menstrual cycle tracker for woman.
SoundCloud - Enjoy music & follow favourite artists
Eve by Glow - A savvy sex & health app for women
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
Periodic Calendar - What is Periodic Calendar?