GetYourGuide - Get tickets to the most popular attractions while travelling
Roller Cycle - Motorized everything on wheels propeller
Airbnb Experiences - Airbnb expands beyond rentals — now hosting Experiences
Cowboy - Small, fast, modular HTTP server written in Erlang.
Viator - Tours, things to do, sightseeing tours, day trips and more from Viator.
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.