Showing 39 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
    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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  • 8
    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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  • 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
    Last Update:
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  • 11
    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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  • 12
    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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  • 13
    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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  • 14
    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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  • 15
    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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  • 16

    SpectroscopicWorkbench

    Analyze Spectroscopic Data

    You can organize and analyze your spectroscopic data.
    Downloads: 0 This Week
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  • 17
    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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  • 18
    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
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  • 19
    Astrophotography Lab

    Astrophotography Lab

    A collection of useful tools for astrophotographers

    Astrophotography Lab (APLab) is a free program intended for anyone interested in astrophotography. It has two main purposes: - Interpreting data extracted from your astrophotos to produce useful information. - Using this information as a help for further improving your imaging results. The program consists of four main tools: an analyser tool, a calculator tool, a simulator tool and a plotting tool.
    Downloads: 0 This Week
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  • 20
    The software simulates the motion of the solar system by different numerical methods. On start, the software expects the input file planeten.txt in the same folder. This file should contain the desired initial conditions. The separator may be adjusted via the file settings.ini.
    Downloads: 0 This Week
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  • 21
    *WARNING* gtburst moved to github (https://github.com/giacomov/gtburst). ########################################## gtBurst is a tool to download data, analyze and simulate Gamma-ray Bursts and Solar Flares as observed by the NASA Fermi satellite.
    Downloads: 0 This Week
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  • 22
    Observation Manager
    Java based astronomical logging software which stores it's data in a free and open XML based format (OpenAstronomyLog). Discontinued project: Please check out the fork: https://github.com/capape/observation-manager for an updated version
    Downloads: 0 This Week
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  • 23
    minydro

    minydro

    A simple hydrodynamic code less than 700 lines long!

    A short and simple hydrodynamic Godunov code using a cell-based structure. This program is free to use. It was designed mainly for teaching purposes and it is made freely available in the hope that someone may find it useful.
    Downloads: 0 This Week
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  • 24
    Astrosoft is a free indian astrology software program for astrologers and astrological students. Its a Java Swing based GUI Application. It provides Birth chart of individual with details of Lagna, Rasi, Nakshata, Thithi, Paksha and many more features.
    Downloads: 0 This Week
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  • 25
    Graphing System with a C language interface. Astrology program as sample, many others. Uses Qt to do the actual graphics.
    Downloads: 0 This Week
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