C Astronomy Software

View 201 business solutions

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

  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • Go From AI Idea to AI App Fast Icon
    Go From AI Idea to AI App Fast

    One platform to build, fine-tune, and deploy ML models. No MLOps team required.

    Access Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
    Try Free
  • 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: 2,910 This Week
    Last Update:
    See Project
  • 2
    Gpredict

    Gpredict

    Real time satellite tracking and orbit prediction

    Gpredict is a real-time satellite tracking and orbit prediction application. Gpredict can track an unlimited number of satellites and display the data in tables and various graphical view.
    Leader badge
    Downloads: 351 This Week
    Last Update:
    See Project
  • 3
    HEALPix

    HEALPix

    Data Analysis, Simulations and Visualization on the Sphere

    Software for pixelization, hierarchical indexation, synthesis, analysis, and visualization of data on the sphere. Please acknowledge HEALPix by quoting the web page http://healpix.sourceforge.net (or https://healpix.sourceforge.io) and publication: K.M. Gorski et al., 2005, Ap.J., 622, p.759 Full software documentation available at https://healpix.sourceforge.io/documentation.php Wiki Pages: https://sourceforge.net/p/healpix/wiki/Home Exchanging Data with HEALPix (in FITS files): https://sourceforge.net/p/healpix/wiki/Exchanging%20Data%20with%20HEALPix/ GDL and FL users should read https://sourceforge.net/p/healpix/wiki/HEALPix%20and%20GDL/
    Leader badge
    Downloads: 567 This Week
    Last Update:
    See Project
  • 4
    Lynkeos

    Lynkeos

    Lynkeos is an astronomical webcam image processing software for OS X.

    Lynkeos is a Cocoa® application dedicated to the processing of astronomical digital images taken through a telescope. It is optimized for SSE vectorized instructions sets, multi-processor and multi-core machines.
    Leader badge
    Downloads: 106 This Week
    Last Update:
    See Project
  • Forever Free Full-Stack Observability | Grafana Cloud Icon
    Forever Free Full-Stack Observability | Grafana Cloud

    Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

    Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
    Create free account
  • 5
    Project Apollo - NASSP
    Project Apollo - NASSP (also known as NASSP or NCPP) is an add-on for the Orbiter space flight simulator. Project Apollo simulates the Apollo missions to Earth orbit and the Moon and the planned post-Apollo missions that never flew.
    Downloads: 27 This Week
    Last Update:
    See Project
  • 6

    libpasastro

    Provide Pascal interface for standard astronomy libraries

    Provide shared libraries to interface Pascal program with standard astronomy libraries. libpasgetdss.so : Interface with GetDSS to work with DSS images. libpasplan404.so: Interface with Plan404 to compute planets position. libpaswcs.so : Interface with libwcs to work with FITS WCS. This libraries are used with the following projects: https://sourceforge.net/projects/skychart/ https://sourceforge.net/projects/ccdciel/ https://sourceforge.net/projects/virtualplanet/ https://sourceforge.net/projects/virtualmoon/
    Leader badge
    Downloads: 83 This Week
    Last Update:
    See Project
  • 7
    C-Munipack
    The C-Munipack is an astrophotometry software package, which offers a complete solution for reduction of images carried out by CCD or DSLR camera, intended on a observation of variable stars, exoplanets and minor Solar System bodies. It provides a simple and intuitive graphical user interface.
    Leader badge
    Downloads: 24 This Week
    Last Update:
    See Project
  • 8
    Navigational Algorithms

    Navigational Algorithms

    Navigational Algorithms - Marine navigation

    - Celestial Navigation: Sight Reduction, Line Of Position, Fix... - Positional Astronomy: Nautical Almanac, RA, GHA, Dec - Coastal Navigation: Range, Bering, Horizontal angles, IALA... - Sailings: Rhumbs, Loxodromic, Orthodromic, Meridional parts... - Weather , Tides - Software: PC, Android https://sites.google.com/site/navigationalalgorithms/
    Leader badge
    Downloads: 31 This Week
    Last Update:
    See Project
  • 9
    The Ground Station Software Suite projects aims at providing free, useful software tools for ham radio operators. Currently, this projects hosts the Grig communication radio control. The source repository has been moved over to github.
    Leader badge
    Downloads: 18 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 10

    libnova

    Celestial Mechanics Engine

    libnova is a general purpose, double precision, celestial mechanics, astrometry and astrodynamics library.
    Leader badge
    Downloads: 26 This Week
    Last Update:
    See Project
  • 11
    p3d

    p3d

    General data-reduction tool for fiber-fed integral-field spectrographs

    p3d is a general data-reduction tool for use with fiber-fed integral-field spectrographs (IFSs); although, the spectrum viewer works with spectrum data cubes of any origin. The tool is built about the proprietary software IDL (Harris/EXELIS; see http://www.harrisgeospatial.com), but can be used without any license. Most slowly running loops are implemented in parallelized C (OpenMP).
    Downloads: 6 This Week
    Last Update:
    See Project
  • 12
    SaVi satellite constellation visualizer

    SaVi satellite constellation visualizer

    Earth orbits and satellite coverage display in 3D on your laptop.

    SaVi - simulate Starlink, Iridium, Globalstar, O3b, GPS, Galileo and other satellite constellations, modify them, or design your own. Requires Tcl/Tk and Unix libraries; 3D viewing option requires Geomview running on X Window.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 13
    Perl Data Language
    The PDL module gives standard perl the ability to COMPACTLY store and SPEEDILY manipulate the large N-dimensional data sets that are the bread and butter of scientific computing.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 14
    Pulsar software for forming timing residuals. Developed mainly by George Hobbs and Russell Edwards at the ATNF.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 15
    A library of C codes for storing and managing nuclear reaction networks, that is, ensembles of nuclear species and reactions among them.
    Leader badge
    Downloads: 16 This Week
    Last Update:
    See Project
  • 16

    Siril

    Siril is an astronomical image processing software for Linux.

    Siril is an astronomical image processing software for Linux. Dev here is stopped: as of 2013/02, Siril development has moved and is regaining activity here https://free-astro.org/index.php?title=Siril
    Downloads: 4 This Week
    Last Update:
    See Project
  • 17
    Moon Phase

    Moon Phase

    Displays the phase of the moon in the system tray.

    Displays the phase of the moon in the system tray. Additionally, a window can be displayed that shows user configurable data about the moon (rise/set times, percent illumination, etc).
    Downloads: 12 This Week
    Last Update:
    See Project
  • 18
    This package is a collection of libraries, data processing filters, and UI applications to aid in the analysis and visualization of scientific data stored in the Radar Data Format.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 19
    A simple command to convert calendar dates to julian dates. Quite useful in timing situations where you need elapsed time between dates. Also useful for astronomy applications.
    Leader badge
    Downloads: 7 This Week
    Last Update:
    See Project
  • 20
    SIGPROC - a collection of signal processing programs developed for pulsar data reduction has been developed and maintained since 1999. The package is used to search for and visualize the presence of pulsed signals in noisy radio astronomy data.
    Leader badge
    Downloads: 6 This Week
    Last Update:
    See Project
  • 21
    PARAMESH is a package of Fortran 90 subroutines designed to provide an application developer with an easy route to extend an existing serial code which uses a logically cartesian structured mesh into a parallel code with adaptive mesh refinement(AMR).
    Leader badge
    Downloads: 3 This Week
    Last Update:
    See Project
  • 22
    OpenUniverse is a fun, fast and free space simulator. It currently focusses on the Solar System and lets you visit all of its planets, major moons and a vast collection of smaller bodies in realtime 3D (using OpenGL).
    Downloads: 5 This Week
    Last Update:
    See Project
  • 23
    AstronomicalAlgorithms is a FREE portable ANSI C implementation of some of the algorithms published in Astronomical Algorithms by Jean Meeus (2nd edition, December 1998, Willmann-Bell ISBN 0943396638)
    Downloads: 4 This Week
    Last Update:
    See Project
  • 24
    Univerx, a Solar System simulator in OpenGL 3D to show planet's translation and rotation. Includes phisical simulation of orbital movement, textured and lighted planet surfaces and customizable interactive view of the model.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25
    giza

    giza

    A scientific plotting library for C/Fortran built on cairo

    A 2D scientific plotting library built on cairo. Provides uniform output to pdf, ps, png and X-Windows. Written in C with no dependencies (other than cairo) as a direct replacement for PGPLOT.
    Downloads: 3 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB