Gaia Sky is a real-time, 3D, astronomy visualisation software
Cyril
A free astronomical image processing software
Marble
Marble isiriyo yepasi rose uye nyika Asslas - yako Swiss mauto banga yemepu dzaunogona kushandisa kuti udzidze zvakawanda nezvepasi nemapuraneti.
Stellarium
Stellarium is a free open source planetarium for your computer.
KStars
KStars is a Desktop Planetarium by KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time.
Celestia
Celestia – real-time 3D visualization of space