Navit is a free and open-source, 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.[3]
^NavitArchived 2012-03-27 at the Wayback Machine, CeBIT Open Source 2011 - Project Presentation Navit, By Amber Graner, The first publishment was in december 2005, but the project existed privately already for about 3 years.