AirHelp - Get paid when you're delayed!
RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Service - Customer service issues solved for you, on demand, for free.
Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything
CashBackAir Bot - Chatbot gets compensations in case of a flight delay
Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.