Facebook Local - Discover places to go and events happening near you
Eventjoy - The Easiest Way To Organize An Event
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Meetup for iOS and Android - Discover groups that are all about the things you love
Foodie Advice - Get suggestions on what to eat during your travels
TechEvents.co - Tech and startup events aggregator