Student Loan Hero - The smartest way to pay off student loans
BeWelcome - Open your door to the world!
Blair - Financing students through Income Share Agreements.
Trustroots - Travellers community for sharing, hosting and getting people together.
CollegeBacker - Crowdfund a tax-free college savings account
Couchsurfing - CouchSurfing is your ticket to explore the world -- from the road or from your own home.