Esri ArcGIS - ArcGIS provides contextual tools for mapping and spatial reasoning so you can explore data & share location-based insights. ArcGIS is the heart of the Esri Geospatial Cloud. Try ArcGIS for free with 21-day trial.
Google Earth Pro - Google Earth Pro allows you fly anywhere around the earth to view satellite imagery, maps, 3D building, and terrain, from galaxies in outer space to the canyons of the ocean.
QGIS - QGIS is a desktop geographic information system, or GIS.
Spectator - Spectator simplifies access to satellite imagery from NASA, ESA and other providers.
Geopointe - Geopointe enables Salesforce users to gain spatial insights via maps and apply geography to business processes.
GeoDataSource - GeoDataSource provides quality geographical database gazetteers of world features, cities, latitude, longitude, and many more.