OpenSpace - OpenSpace is open source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos.

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.

Celestia - Real-time 3D visualization of space

SAS.Planet - SASGIS - Качаем карты и спутниковые снимки высокого разрешения из различных источников (google, яндекс.карт, kosmosnimki.ru, digitalglobe).

Stellarium - Stellarium is a free open source planetarium for your computer.

Leaflet - Leaflet is a modern, lightweight open-source JavaScript library for mobile-friendly interactive maps.