Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
bliss - For music lovers, having an enormous selection of music on your computer is a no-brainer. Whether it's to help you get through work or charge through a work-out, you have music readily on hand. Read more about bliss.
Location Finder - Find the optimal location to meet with your remote team
FlightFox - Crowdsourced Flight Booking
FlyGRN - Flight search engine that offsets carbon emissions for free
CATCHTRIPS - Book a flight, pay in installments.