Yelp - The free Yelp mobile app is the fastest and easiest way to search for businesses near you. Download it now to get started.
LocationAPI - Instantly locate any device w/ WiFi, celltowers & IP address
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Companion - Never walk home alone
Konnecti - Konnecti is a matchmaker for local business.
Iris - The fastest web framework for Go in (THIS) earth