DataKind - A nonprofit connecting data workers and social orgs

AwardWallet - AwardWallet provides a free service that helps you manage your reward balances and travel...

Loftium - Get a down payment for Airbnb'ing a room in your new home

United Airlines - United Airlines is a reservation site for flights where you can book airline tickets and is also offering membership for exclusive discounts.

TripRebel - Book your hotel now & get a refund when the price drops

Agoda YCS for hotels only - Agoda YCS for hotels only is a traveling app that comes up with features to help users in minimizing their hotel booking efforts by providing them with a large number of choices all around the globe.