Trapster - Trapster is a speed trap sharing software.
TrekBuddy - Outdoor companion, Mobile application for offline GPS tracking and simple navigation, bluetooth serial internal GPS, offline raster maps, GPX and NMEA tracklogs, location sharing, waypoints, navigation
EveryTrail - TRACK, SHARE, EXPLORE... Blaze your own trail with EveryTrail!
Maplorer - Mobile Atlas Creator. Free software for Windows CE and Windows mobile based GPS systems and smartphones.
Sygic - Redefining the travel experience with the world’s most advanced offline GPS Navigation app for iPhone, Android and Windows phone. Trusted by 200 mil. drivers.
Waze - Waze is the world's largest community-based traffic and navigation app. Join other drivers in your area who share real-time traffic and road info, saving everyone time and gas money on their daily commute.