Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Grabr - Peer-to-peer international shopping & delivery
Event Hunt - Startups and Tech Events Curated By Locals
Airmule - Earn money while flying by selling excess luggage allowance.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Parcl - Buy products online that don't ship to your country.