Sky Map

Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the night sky.

Free Open Source Android

Celestia

Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.

Free Open Source Mac OS X Windows Linux

Space Engine

Space Engine - a real-time 3D space simulator, procedural universe generator and visualiser. It lets you explore the universe in three dimensions, starting from planet Earth to the most distant galaxies.

Free Windows

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.

Free Open Source Mac OS X Windows Linux KDE

StarCalc

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

Free Windows Windows Mobile

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 shown.

Free Open Source Mac OS X Windows Linux

SkEye

SkEye is an advanced Planetarium that can also be used as a PUSHTO guide for telescopes. Ever wondered what objects are up in the sky? Now you can get familiar with Astronomy by identifying stars, planets, and constellations.

Freemium Android Android Tablet

WinStars

WinStars uses the latest 3D technology to show the objects of our solar system in a realistic manner.

Freemium Windows Linux Wine

Cosmic-Watch

Discover the fascinating relation between time and the cosmos. Enjoy this interactive learning tool and understand the concept of the celestial sphere and the apparent movement of the sky.

Commercial Android iPhone Android Tablet iPad

Planetarium

A browser-based virtual planetarium of stars and planets customizable by location (latitude and longitude) and time of day.

Free Web

Noctua Stellarium Mobile

Stellarium Mobile is a fully-featured planetarium for your phone. It shows a realistic night sky map in 3D, just like what you see with the naked eye, binoculars or a telescope.

Commercial

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 OS X Windows Android iPhone Web

Aladin

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

Free Mac OS X Windows Linux Web

Starmap

Starmap is an intelligent sky navigation tool, written by a professional of the field. Hold the device in your line of vision and discover the map smoothly scanning...

Freemium iPhone iPad Apple Watch

SkyORB

SkyORB is more than a simple star map, it's a collection of 7 tools including a 3D star map, 3D planetarium, ephemeris, search engine, sun clock, point to sky...

Freemium Mac OS X Android iPhone Android Tablet Windows RT

Sky Guide

A window to the stars has never been more beautiful and easy to use. Sky Guide lets you experience the wonders of the night in ways you’ve only dreamed of.

Commercial

Vortex Planetarium

Vortex Planetarium - Discover the sky. The most comprehesive, fully featured Planetarium on Android. Used by amateur astronomers and armchair observers alike, Vortex Planetarium offers a window to the skies in stunning detail.

Commercial Android Android Tablet

Distant Suns (series)

Distant Suns astronomy app is an award-winning hand-held planetarium with over 25 years of development, offering you the new way to look at the sky from on the Earth to...

Commercial Android iPhone Android Tablet iPad Kindle Fire

GoSkyWatch Planetarium

Displays the sky view at the correct orientation when held at any angle not just landscape or portrait. Simple operation, no buttons to press or modes to select, just...

Commercial