Block Craft 3D : City Building Simulator alternatives

Mapbox is an American provider of custom online maps, navigation, address search, and location data for websites and applications such as Foursquare, Lonely Planet, Facebook, the Financial Times, The Weather Channel and Snapchat.

Snaptrude is a leading concept design tool for architects that helps them sketch, design, model and create BIM in minutes!

FreeDee is an App, that turns every Smartphone into a magical 3D controller. It’s a unique experience. No knobs, no buttons, no keyboard combinations. Turn objects by turning your smartphone. It feels like holding the virtual object right in your hand.