Trustroots - Travellers community for sharing, hosting and getting people together.
Petal - A simple, no-fee credit card
BeWelcome - Open your door to the world!
X1 Card - A metal credit card based on your income, not credit score
Hospitality Club - Free network of people around the world who offer free accommodation, advice and help when they are traveling - hospitality exchange. Free membership.
StellarFi - StellarFi is the only platform that reports unlimited bill payments to the 3 major credit bureaus.