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

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  • 1
    Arduino ASCOM Focuser Pro2 DIY

    Arduino ASCOM Focuser Pro2 DIY

    Version 2 of the myFocuser Project

    myFocuserPro2 (myFP2) is an ASCOM - INDI - LINUX - WINDOWS telescope focuser with a large range of options. 309,000+ file downloads. The most popular focuser project. (c) Copyright Robert Brown 2014-2025. All Rights Reserved. Code or portions of code may not be copied or used without written permission from the author. Other Focuser Projects myFP2ESP32 WiFi - https://sourceforge.net/projects/myfocuserpro2-esp32/ [ESP32 Only] myFP2ESP8266 WiFi - https://sourceforge.net/projects/myfp2esp8266-focus-controller/ myFP2N - Nextion touch screen display - https://sourceforge.net/projects/arduinoascomfocuserpro2diy/files/myFocuserPro2N%20NEXTION%20TFT%20DISPLAY/ myFP2M - Ready made Controllers https://sourceforge.net/projects/arduinoascomfocuserpro2diy/files/myFocuserPro2M/ Please look in the Files-Documents folder for more information. https://sourceforge.net/projects/arduinoascomfocuserpro2diy/files/Documentation/
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    Downloads: 226 This Week
    Last Update:
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  • 2

    RTS2 - Remote Telescope System

    Open source observatory control software

    RTS2 is project to create an open source environment for control of a fully autonomous observatory. It is running about dozen fully autonomous observatories. Its modular design allow easily addition of new devices (to already huge supported HW list).
    Downloads: 0 This Week
    Last Update:
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  • 3
    Satellite Prediction Server and Clients
    Downloads: 0 This Week
    Last Update:
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