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.

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

Wikitravel - This article is a Movie/TV Tour.

Gogobot - Your guide to the good life

Foursquare - Foursquare is all about helping you find new ways to explore your city.

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