Foursquare - Foursquare is all about helping you find new ways to explore your city.
Ceremony - Ceremony is the fastest-growing wedding photo collecting application that allows you to easily collect all your wedding pics from guests.
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.
Wedew - Wedding E-invitation & Website
Yellow Pages - YP.com local search connects you with over 19 million local businesses.
RegexOne - RegexOne offers learning regular expressions with simple, interactive examples.