Top 3 indoor-navigation open source projects

Stardust SDK and sample app for Unity

An indoor positioning system (IPS) is a system to locate objects or people inside a building using radio waves, magnetic fields, acoustic signals, or other sensory information.

The MapsIndoors SDK is the idea of integrating everything on your venue, like people, goods, offices, shops, rooms and buildings with the mapping and wayfinding technologies provided in the MapsIndoors platform. The easiest way to test this out is by running 'pod try MapsIndoors' using CocoaPods.