BeWelcome - Open your door to the world!
Trustroots - Travellers community for sharing, hosting and getting people together.
Friendsitting - Friendsitting is the new platform to travel around the world in a safe, connected community.
Couchsurfing - CouchSurfing is your ticket to explore the world -- from the road or from your own home.
Worldpackers - Exchange your skills for accommodation
FairBnB - A smart and fair solution for community powered tourism.