GetYourGuide - Get tickets to the most popular attractions while travelling
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Airbnb Experiences - Airbnb expands beyond rentals — now hosting Experiences
Sleep as Android - Common alarm clocks ignore your sleep cycles, they wake you on schedule no matter your are currently in your deep sleep. Waking up from deep sleep is unpleasant, it makes you tired and it may negatively affect your productivity during the whole day.
Viator - Tours, things to do, sightseeing tours, day trips and more from Viator.
Talalarmo - Minimalistic android alarm