The largest and most well-known producer of navigation software is TomTom. TomTom also makes paid navigation software which is suitable for mobile phones with GPS. If you are looking for a free alternative to your mobile phone then you can use Nav4All a try.
UPDATE: Nav4All is January 31, 2010. The reason for this is that the digital kaartenleverancier Navteq the contract with Nav4All has not renewed. Navteq is 100% owned by Nokia which has its own free navigation service has announced.
With the free software of Nav4All you can use your mobile device into a navigation system. You do have a mobile with built-in GPS receiver, or you can use a GPS-receiver los and purchase in the store. Nav4All is a free alternative for paid software of TomTom and Route66. However, you need to settle with a very simple and less elegant interface.
Nav4All is at the moment (at least until 01-01-2010) completely free to use and gives the route as you are used to a navigation system. The display of the route is easy: with a arrow appears or you need to turn or label. This simplicity should make it easy to Nav4All in the car to use.
Nav4All has the following characteristics:
You can free download Nav4All and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.