Space travel

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.

Indispensable for amateurs and professionals, as well as for kids who are eager to learn, Star Walk will guide you through the night sky in style.

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

BOINC (Berkeley Open Infrastructure for Network Computing) is a software platform for volunteer computing and desktop grid and volunteer computing.

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.

Star Citizen is a space sim video game for Microsoft Windows. Star Citizen is planned to consist of two main components: first-person space combat, mining, exploration and trading with first-person shooter elements in a massively multiplayer persistent universe and customizable...

Elite: Dangerous is a space adventure, trading, and combat simulator that is the fourth release in the Elite video game series.

Create and manage your own space program, build and fly spacecraft, and try to conquer space.

Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer.

Universe Sandbox is an interactive space simulator for Windows based PCs.

Unlike most astronomy software that just shows you what the sky looks like or where the planets are, Universe Sandbox is a powerful gravity simulator. You can add another star to our solar system and watch.

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.

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.

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.