Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
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.
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
OsmAnd - Global mobile map viewing and navigation for online and offline OSM maps
Leaflet - Leaflet is a modern, lightweight open-source JavaScript library for mobile-friendly interactive maps.
HERE WeGo - HERE WeGo - Maps - Routes - Directions - All ways from A to B in one