Navigon USA & CAN navigation review: Strong GPS app needs an interface overhaul - CNET
Navigon 2100 Portable GPS Review - Terry White's Tech Blog
Navigon - Wikipedia
Amazon.com: Garmin Drive 50 USA LMT GPS Navigator System with Lifetime Maps and Traffic, Driver Alerts, Direct Access, and Foursquare data : Electronics
GPS TracklogNavigon MobileNavigator for Android comes to US - GPS Tracklog
NAVIGON USA by Garmin Wuerzburg GmbH
Navigon and Garmin GPS navigation apps get updates and new features