Stellarium

Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It...

Free Open Source Mac Windows Linux PortableApps.com

KStars

KStars is a Desktop Planetarium for KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time. The display...

Free Open Source Mac Windows Linux KDE

Gaia Sky

3D visualization software for ESA's (European Space Agency) Gaia mission to chart about 1 billion stars of the Milky Way Galaxy.

Free Open Source Mac Windows Linux

Solar System Scope

3D simulation of the Solar System and night sky - real time virtual orrery and observatory Features: - Heliocentric view with real-time positions of planets and...

Freemium Mac Windows Web Android iPhone ... Android Tablet iPad

Cartes du Ciel (Skychart)

This program enables you to draw sky charts, making use of the data in 16 catalogs of stars and nebulae. In addition the position of planets, asteroids and comets are...

Free Open Source Mac Windows Linux

Star Chart

Can’t see the moon? Want to know where it is? Look through the eyes of your device to see a virtual window into the whole visible universe. Using state of the art GPS...

Commercial Mac Windows Android iPhone Windows RT ... Android Tablet Windows Phone iPad Kindle Fire Steam

StarCalc

StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows 9x/ME/NT/2000/XP (StarCalc version for PocketPC is available). It...

• Discontinued
  The program is no longer updated. Last version, 5.73, released in July 2006, can be still downloaded from the official website.

Free Windows Windows Mobile

Aladin

Aladin is an interactive sky atlas allowing the user to visualize digitized astronomical images or full surveys.

Free Mac Windows Linux Web

Aciqra

Aciqra (uh-SEE-kruh) is a free and open source virtual sky map and planetarium which tracks and displays astronomical bodies including planets, nebulae and stars to an...

• Discontinued
  The project is no longer developed. Last version, 2.3.2, released in July 2013, can be still downloaded from SourceForge.

Free Open Source Windows Linux

SkyMap

SkyMap provides interactive sky maps for any time, viewpoint and location on Earth. It shows the different names, coordinates, magnitude, astronomical rise and set times...

Freemium Windows Web Windows RT Windows Phone