Browse free open source IoT software and projects for Linux below. Use the toggles on the left to filter open source IoT 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: 254 This Week
    Last Update:
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  • 2
    myFP2ESP32 WiFi ASCOM Focus Controller

    myFP2ESP32 WiFi ASCOM Focus Controller

    ASCOM-INDI ESP32 Wifi focuser

    An ESP32 WiFi focuser. DIY or PCB designs. (c) Robert Brown 2014-2025, Holger M, 2019-2021. All rights reserved. Code or portions of code may not be copied or used without appropriate credit given to authors. Spreadsheet to calculate what stepper motor to use. https://sourceforge.net/projects/arduinoascomfocuserpro2diy/files/Documentation/Nema-Stepper-Motors.xlsx/download Spreadsheets to calculate CFZ https://sourceforge.net/projects/myfocuserpro2-esp32/files/CFZ%20Spreadsheets/CFZ%20Spreadsheets.zip/download Focuser Basics Guide (PDF) - shows how to derive the correct motor requirements for your system (mandatory reading) https://sourceforge.net/projects/myfocuserpro2-esp32/files/Documentation/Focuser%20Basics.pdf/download https://youtu.be/90KeSspN3e0
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    Downloads: 181 This Week
    Last Update:
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  • 3
    emqx

    emqx

    The Most Scalable MQTT Broker for IoT

    EMQX is the world's most scalable and reliable MQTT Broker designed by EMQ. It supports 100M concurrent IoT device connections per cluster while maintaining extremely high throughput and sub-millisecond latency. EMQX boasts more than 20,000 global users from over 50 countries, connecting more than 100M IoT devices worldwide, and is trusted by over 300 customers in mission-critical IoT scenarios, including well-known brands like HPE, VMware, Verifone, SAIC Volkswagen and Ericsson. Flex to meet the demands of various industries towards digital transformation, including Connected Vehicles, Industrial IoT, Oil & Gas, Carrier, Finance, Smart Energy, and Smart Cities.
    Downloads: 111 This Week
    Last Update:
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  • 4

    MultiCAN

    EPICS device support for CAN Bus

    MultiCAN implements a CAN Bus device support for EPICS. EPICS is a framework for control systems, the CAN Bus is a reliable real-time field bus. The ‘Multi’ und MultiCAN stands for ‘Multi Protocol support’, so it supports more than one protocol for CAN Bus communication. MultiCAN has support for the CANOpen protocol and the older CAN Application Layer (CAL).
    Downloads: 0 This Week
    Last Update:
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    The All-in-One Commerce Platform for Businesses - Shopify

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