Event Finda - Find events near you, and all around the world.
Travellar - A social travel app
Rally by Eventbrite - Find the best local events and rally your friends to join
Podshare - A membership based live/work community.
Event Hunt - Startups and Tech Events Curated By Locals
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.