Soor - Discover music a lot better on Apple Music
Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.
humit - A social networking app for music sharing and discovery.
Morse - Create, shout out, and discover nearby events in real time
MTME - A new way to discover music
Upcoming.org - A simple way to share and discover interesting events