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.
TechEvents.co - Tech and startup events aggregator
Vamos - Local Event Discovery
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Morse - Create, shout out, and discover nearby events in real time
Facebook Local - Discover places to go and events happening near you