Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
KDE Itinerary - Digital travel assistant with a priority on protecting your privacy
HiOperator - HiOperator is a virtual assistant that answers phone calls, chats with customers, provides in-app help, takes orders, and provides support.
Onward Ticket - Onward Ticket is a web and mobile platform that enables individuals to package travel into single itineraries.
ClaimCompass - Get paid for delayed or cancelled flights
JetRadar - Compare flights from hundreds of airlines & travel agencies