Astronomy Apps

  • Janus
    JanusFree to try

    All of the standard calculation features expected of a top of the line astrology software program, including natal and transit reports, astro-mapping, Arabic Parts, fixed stars, progressed charts and return charts.

  • Stellarium
    StellariumFree

    Show a realistic sky in 3D.

  • Celestia
    CelestiaFree

    A real-time space simulation that lets you experience our universe in three dimensions. 

  • KStars
    KStarsFree

    A free, open source, cross-platform Astronomy Software.

  • NASA’s Eyes
    NASA’s EyesFree

    A way for you to learn about your home planet, our solar system, the universe beyond and the spacecraft exploring them.

  • AstroGrav
  • ChronosXP
    ChronosXPFree

    A free planetary hours program.

  • WorldWide Telescope
    WorldWide TelescopeFree

    Enables your computer to function as a virtual telescope, bringing together imagery from the best telescopes in the world.