Beeminder - Beeminder
Foursquare - Foursquare is all about helping you find new ways to explore your city.
GoalsWon - Human accountability coaching for busy people
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.
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.