Cosmic-Watch Alternatives

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.

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

Open-source astronomy software offering accurate night sky simulation with 100 million stars, Ekos astrophotography suite, stellar observation planner, "What's up Tonight" tool, FOV editor, and a variety of celestial catalogs for comprehensive astronomical exploration.

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

Planetario contains a 3D model of our solar system. It will show the horizon and the planets in their path along the sky. The word planet comes from the Greek planetai, meaning "wanderers". Because of the rotation of the earth, the stars seem to move in perfect...

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.

3D simulation of the Solar System and night sky - real time virtual orrery and observatory

SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more. Simply point the camera to the sky, tap on what you see and discover neat things about these sky objects.

The Starry Night apps are the most comprehensive educational astronomy apps. Use it with your introductory astronomy textbook or on its own. It's a powerful, portable planetarium that fits in your backpack. It puts thousands of stars and planets at your fingertips.

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.

Stellarium Mobile is a planetarium app that shows exactly what you see when you look up at the stars.

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 plus additional information for over 110000 stars, messier objects, planets, sun and moon.