Foursquare - Foursquare is all about helping you find new ways to explore your city.
OpenTable Connect - Restaurant Reservations
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.
Yelp Reservations - Reservations taken online, front-of-house management, and integration with Yelp.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.
simpleERB - An Electronic Reservation Book for restaurants.