Foursquare - Foursquare is all about helping you find new ways to explore your city.
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.
NetBuddy - Netbuddy is a virtual network operator for a mobile device.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.
Wikivoyage - the free worldwide travel guide that anyone can edit.
Angie's List - Fair price, quality service, and that stripes are always in season.