Booking.com - Find your next stay. Search deals on hotels, homes, and much more...

Whalebird - Whalebird is a Mastodon client for desktop application.

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.

Megalodon - A fork of official Mastodon Android app which include new additional features.

Sygic Travel Maps - Itinerary planner for independent travelers

Twidere - Tired of seeing ads and promotions in your timeline, being disrupted by tweets from bots and people...