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.
Zillow - Is that home for sale? What is it worth? Where can I find foreclosures? Stop wondering!
QGIS - QGIS is a desktop geographic information system, or GIS.
Trulia - Trulia’s top-rated real estate app helps you find the perfect home, wherever you are.
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
LoopNet - LoopNet is an online commercial real estate marketplace that connects buyers, tenants, and investors.