Browse free open source Astronomy software and projects for Mac and Linux below. Use the toggles on the left to filter open source Astronomy software by OS, license, language, programming language, and project status.

  • Outgrown Windows Task Scheduler? Icon
    Outgrown Windows Task Scheduler?

    Free diagnostic identifies where your workflow is breaking down—with instant analysis of your scheduling environment.

    Windows Task Scheduler wasn't built for complex, cross-platform automation. Get a free diagnostic that shows exactly where things are failing and provides remediation recommendations. Interactive HTML report delivered in minutes.
    Download Free Tool
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 1
    Stellarium

    Stellarium

    A planetarium software that shows a 3D simulation of the night sky

    Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
    Leader badge
    Downloads: 2,712 This Week
    Last Update:
    See Project
  • 2
    Celestia

    Celestia

    Real-time 3D visualization of space

    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.
    Downloads: 82 This Week
    Last Update:
    See Project
  • 3
    DobHelper

    DobHelper

    Make star maps for anywhere at anytime

    Generate star maps for anywhere at anytime. Choose from a database of thousands of deep sky objects, including all Messier, Caldwell, and NGC objects. Also allows recording of notes on viewed objects, and configuration of user-generated observation lists.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 4
    Virtual telescope written in Java for mobile phones. Uses CLDC1.1 and MIDP2.0. Tested on mobile phone with 2MB RAM and 60MB storage. The largest catalog uses TYCHO2(2.5M stars) and NGC+ IC(13k DSO) .Sky plotted in dark red. Has desktop version also.
    Downloads: 2 This Week
    Last Update:
    See Project
  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
    Try it Free
  • 5
    Numerology diagram creator with aim to ease making numerology interpretations.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    The goal of spacesim is simulation of a battles in free space. Unlike other such games, spacesim models management of the ship from the point of view of the captain, instead of the pilot. It allows management of the ship of several players at one time.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    CELUI Is a general purpose C++ OpenGL cross-platform GUI framework that allows to create animated and rich user interfaces for simulations and games.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    MISS is a software simulation of the control room of the International Space Station. It is intended to be both entertaining and educational, aimed at high school students. Various pre-configured and random events encourage interaction and groupwork.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    QuantimSim is a physics simulation engine. Some aspects of astrophysics, electromagnetism, relativity, thermodynamics, statistical mechanics and quantum mechanics will be included in the simulation library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Zendesk: The Complete Customer Service Solution Icon
    Zendesk: The Complete Customer Service Solution

    Discover AI-powered, award-winning customer service software trusted by 200k customers

    Equip your agents with powerful AI tools and workflows that boost efficiency and elevate customer experiences across every channel.
    Learn More
  • 10
    Simulation of star movements with great visualizations of flights through star fields.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Java version of Stellarium.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    TNF2 is based loosely on the original game TNF (The New Frontiers) http://www.geocities.com/TimesSquare/Castle/2979/ written and designed by Jerry Revell Jerry@starchase.demon.co.uk. Simply put the game is about space colonization. Each player runs a
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Project moved to Google Code since SourceForce is a broken, buggy, non-responsive service. I had to re-log in over 100 times just to change this description. Please visit the project at http://code.google.com/p/starflighttlc/ for the latest version of th
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Accrete is a physical simulation of solar system planet formation. This simulation works by modelling a dust cloud around a Sun-like star, injecting a series of masses which collect dust, and form planets by accretion.
    Downloads: 9 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next