QGIS - QGIS is a desktop geographic information system, or GIS.
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
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.
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.