The Basetrip - Cities - Travel information for 650+ cities & 230+ countries
Guides by Lonely Planet - Explore city guides curated by experts.
EntryAdvise.com - With EntryAdvise, you can check COVID restrictions, the entry requirements and useful travel info for all countries. It makes a good resource for frequent-travelers and backpackers.
Foursquare City Guide - Foursquare City Guide is a Free to use mobile application that will lead you to the perfect spot anytime anywhere around the world.
Lonely Planet - travel guide book publisher
Cool Cousin - Shaking up the travel world with good old human connection