Showing 57 open source projects for "free"

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  • 1
    Torque-free rotation simulator
    Solid body rotation simulator in free space.
    Downloads: 0 This Week
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  • 2
    Sky Chart / Cartes du Ciel
    SkyChart is a software to draw chart of the night sky for the amateur astronomer from a bunch of stars and nebulae catalogs. See main web page for full download. This software is part of a full suite for astronomical observation: https://sourceforge.net/projects/ccdciel/ https://sourceforge.net/projects/indistarter/ https://sourceforge.net/projects/eqmodgui/ Requirement: https://sourceforge.net/projects/libpasastro/ See also: https://sourceforge.net/projects/indi/
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    Downloads: 750 This Week
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  • 3
    Software for Moon observation and survey. Let you visualize the real Moon aspect at every time. Also help to study any lunar formations using feature database and pictures library.
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    Downloads: 310 This Week
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  • 4
    CCDciel

    CCDciel

    Astronomy CCD capture software

    A CCD capture software intended for the amateur astronomer. It include all the features required to perform digital imaging CCD observation of celestial objects. Using the standard drivers protocol INDI and ASCOM it can connect and control the CCD camera, the focuser, the filter wheel and the telescope mount. This software is part of a full suite for astronomical...
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    Downloads: 57 This Week
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  • 5
    HNSKY

    HNSKY

    Hallo Northern Sky planetarium program

    ...Is provided with menu's in 22 languages and it is totally free without any advertisement or restriction!! Free with 30.000 deep sky objects and native star databases up to magnitude 18. Online access to GAIA DR2, UCAC4, NOMAD and PPMXL star catalogues or download the USNO UCAC4 up to magnitude 16. The Sun, Moon, the planets and their major moons are all displayed with surface features. It maps the position of co
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    Downloads: 36 This Week
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  • 6
    PSRCHIVE is an application suite and development library for use in the storage and analysis of pulsar astronomical data. It includes an extensive range of algorithms and tools commonly used in a wide variety of experiments.
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    Downloads: 11 This Week
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  • 7
    Arduino Nano Dew Controller Pro (DIY)

    Arduino Nano Dew Controller Pro (DIY)

    Dew Controller Feature Rich

    A 3-channel fully automated Dew Controller (DIY project) based on Arduino Nano for telescopes. For $48 or less. (c) Copyright Robert Brown 2014-2025. All Rights Reserved. Permission is granted for personal and Academic use only. Code or portions of code may not be copied or used without appropriate credit given to author. A very popular project with over 48,000 downloads. There is a new ESP32 WiFi version at https://sourceforge.net/projects/esp32-dew-controller/ The older...
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    Downloads: 54 This Week
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  • 8
    AstrolabiumPlus

    AstrolabiumPlus

    Virtual Planetarium and other Astronomical Calculation Routines

    Virtual Planetarium and other astronomical calculation routines of the Positional Astronomy (Ephemeris Calculation / ISS Visibility / Eclipses / Calendar) --- GUI based on Delphi/Free Pascal, Source Code alternatives based on Python 2.5 and Java 1.6
    Downloads: 1 This Week
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  • 9
    DSPSR is a high-performance, object-oriented, digital signal processing library for radio pulsar astronomy. It implements an extensive range of algorithms and features, and can read data from most observatories, instruments, and file formats.
    Downloads: 3 This Week
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  • 10

    virtualplanet

    Software for planet observation and study

    Allow you to visualize any planet aspect at any time. Include extended feature database and texture. Many function are oriented to the observation at the telescope and other to indoor research .
    Downloads: 3 This Week
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  • 11
    FreeEOS is a Fortran library for calculating the equation of state using an efficient free-energy minimization technique that is suitable for physical conditions in stellar interiors.
    Downloads: 3 This Week
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  • 12
    The Ground Station Software Suite projects aims at providing free, useful software tools for ham radio operators. Currently, these projects used to host the Grig communication radio control and Gpredict. The source repositories have been moved over to GitHub.
    Downloads: 9 This Week
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  • 13
    myESP32S3-N16R8 WiFi Focuser

    myESP32S3-N16R8 WiFi Focuser

    ESP32S3_DEVKITC_1 N16R8 Wifi focuser

    An ESP32S3 WiFi Focuser (ALPACA-ASCOM-LINUX-INDI-TCPIP-WINDOWS) (c) Robert Brown 2014-2026, Holger M, 2019-2021. All rights reserved. Code or portions of code may not be copied or used without credit given to authors. Read Part1 pdf to determine the board you will need, then download those board files. Downloading all files will cause confusion and hinder your project progress. Both PCB and DIY are supported. After creating the board, go to UserGuide Part2 (Files/Documents) and follow...
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    Downloads: 20 This Week
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  • 14
    mySQM+ DIY SQM WEATHER STATION

    mySQM+ DIY SQM WEATHER STATION

    ESP32 mySQM+ Sky-Meter/Weather Station with loads of features

    mySQM+ Sky Quality Meter/Weather Station (c) R Brown, 2020-2025, All rights reserved. Permission is granted for personal and Academic use only. Code or portions of code may not be copied or used without appropriate credit given to author(s). EXPANSION BOARDS - You can expand this project using the two types of project expansion boards at https://sourceforge.net/projects/myesp-boards/
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    Downloads: 18 This Week
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  • 15
    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: 1 This Week
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  • 16
    SolTrack

    SolTrack

    A free, fast and accurate routine to compute the position of the Sun

    SolTrack is a simple, free, fast and accurate C/C++ routine to compute the position of the Sun. The code can be used to track the Sun on low-specs machine, such as a PLC or a microcontroller, and can be used for e.g. (highly) concentrated (photovoltaic) solar power. SolTrack has been developed by Marc van der Sluys, Paul van Kan and Jurgen Reintjes, of the Lectorate of Sustainable Energy at the HAN University of Applied Sciences in Arnhem, The Netherlands.
    Downloads: 4 This Week
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  • 17
    HSGlib.orbital

    HSGlib.orbital

    A gnuplot library to plot keplerian orbits and more

    It is a gnuplot library that gathers a set of functions to deal with problems of celestial mechanics. It allows one to easily accomplish tasks such as: - Converting orbital elements into Cartesian coordinates and vice-versa - Evaluate orbital position as function of the flight time and vice-versa - Plotting keplerian orbits easily
    Downloads: 0 This Week
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  • 18
    Astronomy Linux 21.04

    Astronomy Linux 21.04

    This is an open project "Astronomy Linux 21.04" for amateurs

    This is an open project "Astronomy Linux" for amateurs. Free distributive designed for astronomy amateurs. This image contains different astronomical programs, for example: planetariums, image processing, astro-hardware control, INDI drivers, etc. ********************************************************************************** WARNING! You can install and use this distribution without any guarantees.
    Downloads: 4 This Week
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  • 19
    Astronomy Linux 19.04

    Astronomy Linux 19.04

    This is an open project "Astronomy Linux 19.04" for amateurs

    This is an open project "Astronomy Linux" for amateurs. Free Live DVD distributive designed for astronomy amateurs. This DVD contains different astronomical programs, for example: planetariums, image processing, astro-hardware control, INDI drivers, etc. ********************************************************************************** WARNING! You can install and use this distribution without any guarantees.
    Downloads: 15 This Week
    Last Update:
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  • 20
    SkytechX

    SkytechX

    Astronomical planetarium SW

    SkytechX is free astronomical planetarium for rendering real objects (stars, planets, comets etc.) on the map. Program works with range of years 1 AD and 3000 AD. Main catalogue is Tycho2 with more than 2.5 millions of bright stars. Customized internal catalogue of non-stellar objects has been composed of several sources like NGC, IC, PGC, Messier etc. and contains more than 100,000 of objects.
    Downloads: 0 This Week
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  • 21

    SpectroscopicWorkbench

    Analyze Spectroscopic Data

    You can organize and analyze your spectroscopic data.
    Downloads: 0 This Week
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  • 22

    LibNucNucGam

    Nuclear collision secondary particle production cross sections.

    This Python library contains the parametrization of the Nucleus-Nucleus pi-meson (including subthreshold pions) and the direct hard photon gamma-ray production cross sections channels for calculating the secondary gamma-ray and electron/positron spectra based on arXiv:1608.03348. Please, if you use this library DO NOT reference to this webpage, instead reference to arXiv:1608.03348, "Parametrization of the nucleus-nucleus gamma-ray production cross sections below 100 GeV/nucleon:...
    Downloads: 0 This Week
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  • 23
    XParallax viu

    XParallax viu

    Software for automated astrometry

    XParallax viu is a free software tool for automated astrometric data reduction of astronomic CCD images. It helps astronomers to perform an accurate astrometric reduction of dozens ore even hundreds of images which can be used in subsequent data analysis process. Fit headers generated by this software are fully compatible with other commonly used image utilities like SAO DS9 or Aladin Sky Atlas.
    Downloads: 0 This Week
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  • 24
    GLORIA Project

    GLORIA Project

    GLObal Robotic-telescopes Intelligent Array for e-Science

    GLORIA stands for "GLObal Robotic-telescopes Intelligent Array". GLORIA will be the first free and open- access network of robotic telescopes of the world. It will be a Web 2.0 environment where users can do research in astronomy by observing with robotic telescopes, and/or analyzing data that other users have acquired with GLORIA, or from other free access databases, like the European Virtual Observatory (http://www.euro-vo.org).
    Downloads: 0 This Week
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  • 25
    DualSPHysics

    DualSPHysics

    C++/CUDA/OpenMP based Smoothed Particle Hydrodynamics (SPH) Solver

    DualSPHysics is based on the Smoothed Particle Hydrodynamics method and can be downloaded from the official website (www.dual.sphysics.org). The code is developed to study free-surface flow phenomena where Eulerian methods can be difficult to apply, such as waves or impact of dam-breaks on off-shore structures. DualSPHysics is a set of C++, CUDA and Java codes based on the SPHysics FORTRAN project (www.sphysics.org) that are designed to deal with real-life engineering problems and are provided along with pre-compiled binaries and source for Windows/Linux/Unix as well as a number of example test cases.
    Downloads: 2 This Week
    Last Update:
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