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.

Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.

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

Feedback Tools - Curated directory of tools for getting all the feedback

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

unloved. for travel - buy and sell non-refundable travel bookings