GeoDataSource.com offers the database of 3 million cities features for immediate online download. The databases come complete with feature names, latitude and longitude, region and country information and additional information spanning across 249 countries or territories in 6 world continents. It also provides popular city search API by coordinates.
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.
ArcGIS - ArcGIS software is a data analysis, cloud-based mapping platform that allows users to customize maps and see real-time data ranging from logistics support to overall mapping analysis.
Marble - Marble is a Virtual Globe and World Atlas that you can use to learn more about Earth: You can pan...
NASA World Wind - World Wind permits any client to zoom from satellite height into wherever on Earth, utilizing great determination Landsat symbolism and SRTM rises information to experience Earth in outwardly beautiful 3D, pretty much as though they were truly there.
Spectator - Spectator simplifies access to satellite imagery from NASA, ESA and other providers.
Zoom.earth - Zoom.earth is the free to use platform that allows you to view live satellite images to check the weather, rain radar, track storms, and much more.