Facebook Local - Discover places to go and events happening near you
TechEvents.co - Tech and startup events aggregator
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Event Hunt - Startups and Tech Events Curated By Locals
Foodie Advice - Get suggestions on what to eat during your travels
EventsApp - A simple concise app for creating and sharing events.