Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.

TripsGuard - COVID19 travel restrictions worldwide

Wikivoyage - the free worldwide travel guide that anyone can edit.

Covid-19 Controls - Lockdown measures and tourists restrictions around the world

Triptipedia - Triptipedia is a free collaborative encyclopedia of travel tips, where everyone can browse, save and share tips for better travel!

Red Eye Escapes by Molekule - Find flights to pollen-free destinations