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.
TheBesty - Your Personal Travel Assistant in Latin America
Wikivoyage - the free worldwide travel guide that anyone can edit.
The Basetrip - Cities - Travel information for 650+ cities & 230+ countries
Triptipedia - Triptipedia is a free collaborative encyclopedia of travel tips, where everyone can browse, save and share tips for better travel!
Booking.com - Find your next stay. Search deals on hotels, homes, and much more...