Foursquare - Foursquare is all about helping you find new ways to explore your city.
OsClass - Open-source PHP classifieds script to create classifieds website within 3 minutes.
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.
Flynax - Flynax is the leading classified script developer.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.
ClassiBase - Simple responsive classifieds script for building classifieds website.