Desktop Earth - You should run it as admin.
EarthView - Free Cloud Data Download
Living Earth - Living Earth gives you a stunning live 3D simulation of our planet at our current moment in time...
TerraTime - TerraTime provides an amazing, interactive, real-time virtual Earth.
Xplanet - Xplanet is free software, distributed according to the terms of the GNU General Public License.
MeteoEarth - WeatherPro is your weather rain radar and extreme weather tracker on your iOS and Android device.