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