Gaia caelum est realis-time, 3D, Astronomia visualization software
Cyrillus
A Free Astronomica imago Processing Software
Marmor
Marble is a virtual globe and world atlas — your swiss army knife for maps that you can use to learn more about the Earth and other planets.
Stellarium
Stellarium est fons apertus planetarium computatori tuo.
Kstars
KStars est Desktop Planetarium ab KDE. Accuratam graphicam simulationem caeli noctis, ab aliquo loco in Terra, quovis tempore et tempore praebet.
Celestia
Celestia - real-time 3D visualization of space