Rendering stops permanently. A waste of time...
Celestia - Real-time 3D visualization of space
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.
Satscape - A satellite tracking program for Windows, Mac OS and Linux.
SAS.Planet - SASGIS - Качаем карты и спутниковые снимки высокого разрешения из различных источников (google, яндекс.карт, kosmosnimki.ru, digitalglobe).
Heavens Above - Website for tracking Satellites, Space ships and other space objects.
QGIS - QGIS is a desktop geographic information system, or GIS.