Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
QGIS - QGIS is a desktop geographic information system, or GIS.
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.
GRASS GIS - GRASS GIS is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
OsmAnd - Global mobile map viewing and navigation for online and offline OSM maps
SAGA GIS - SAGA - System for Automated Geoscientific Analyses - is a Geographic Information System (GIS)...