Free Astronomy Apps

World Wide Telescope is a rich visualization environment that functions as a virtual telescope, bringing together imagery from the best ground- and space-based telescopes to enable seamless, guided explorations of the universe.

For more information please visit:
http://www.worldwidetelescope.org/

Stellarium is software that calculates the positions of the Sun and Moon, planets and stars, and draws how the sky would look to an observer depending on their location and the time. It can also draw the constellations and simulate astronomical phenomena such as meteor showers or comets, and solar or lunar eclipses.

For more information please visit:
http://stellarium.org

Mitaka is an open source software for visualizing the known Universe with up-to-date observational data and theoretical models. Mitaka users can seamlessly navigate through space, from the Earth to the edges of the known Universe.

For more information please visit:
https://mitaka.apponic.com/

OpenSpace is an open source interactive data visualization software designed to visualize the entire known universe and portray the ongoing efforts to investigate the cosmos. Funded in part by NASA, OpenSpace brings the latest techniques from data visualization research to the general public.

For more information please visit:
https://www.openspaceproject.com