BeWelcome - Open your door to the world!
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Trustroots - Travellers community for sharing, hosting and getting people together.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Couchsurfing - CouchSurfing is your ticket to explore the world -- from the road or from your own home.
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.