Overnight - Book a last minute room with locals, in seconds.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Cool Cousin - Shaking up the travel world with good old human connection
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
Airbnb - Book unique places to stay and things to do.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets