GetYourGuide - Get tickets to the most popular attractions while travelling
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Klook - Discover & book amazing experiences at exclusive prices
Event Hunt - Startups and Tech Events Curated By Locals
Airbnb - Book unique places to stay and things to do.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets