What is "navit"

Navit is an open source and free, modular, touch screen friendly, car navigation system with GPS tracking, realtime routing engine and support for various vector map formats. It features both a 2D and 3D view of map data.

Navit supports a variety of operating systems and hardware platforms including Windows, Windows CE, Linux, Mac OS, Android, iPhone, and Palm webOS. The Win CE version can run on a GPS device like tomtom or cartrek.

Navit can be used with several sources of map data, notably OpenStreetMap and Garmin maps.