GetYourGuide - Get tickets to the most popular attractions while travelling
TripIt - TripIt is a travel app that creates a master itinerary to organize all of your plans for your vacation or work trip in one spot.
Klook - Discover & book amazing experiences at exclusive prices
Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.
Airbnb - Book unique places to stay and things to do.
WorldMate - WorldMate is a travel app that helps individuals plan and organize trips. The app is available for Android and iOS mobile devices, and it is free to download and use.