Trapster - Trapster is a speed trap sharing software.
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.
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
Maplorer - Mobile Atlas Creator. Free software for Windows CE and Windows mobile based GPS systems and smartphones.
HERE WeGo - HERE WeGo - Maps - Routes - Directions - All ways from A to B in one
GpsMid - GpsMid is a free, fully offline, vector based map application for your mobile phone.