Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
MapMyTrip by TripScout - A simple way to share your travel recommendations
Event Hunt - Startups and Tech Events Curated By Locals
Nomad List - Find the best place to ❤️ live, 👩💻 work, and 💃 play
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
TravelBuddy - Help kids learn new words using camera with a SayIt button