Alkarta - Find happenings in your city.
Rutter - One API for every Ecommerce platform
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Event Finda - Find events near you, and all around the world.
Mutronome for iOS - Practice drums with Apple Music
Find Near Me - The easiest way to find everything around you (Apple Watch)