Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Journy - Tastemaker-driven concierge to plan your perfect trip
TechEvents.co - Tech and startup events aggregator
Foodie - Yelp for every dish on the menu
Facebook Local - Discover places to go and events happening near you
Pliim - One click and be ready to go up on stage and present!