BeWelcome - Open your door to the world!
Worldpackers - Exchange your skills for accommodation
Trustroots - Travellers community for sharing, hosting and getting people together.
Couchsurfing - CouchSurfing is your ticket to explore the world -- from the road or from your own home.
ClubSofa - ClubSofa is a website that lets users meet, stay and hangout with locals you share a mutual friend...
FairBnB - A smart and fair solution for community powered tourism.