GetYourGuide - Get tickets to the most popular attractions while travelling
Roll20 - Roll20 is a suite of easy-to-use digital tools that expand pen-and-paper gameplay.
Klook - Discover & book amazing experiences at exclusive prices
Astral Tabletop - Create, host, and manage your tabletop role-playing games — online or in person
Airbnb - Book unique places to stay and things to do.
D&D Beyond - Official online toolset for Dungeons & Dragons tabletop gaming