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Zephyr

Build secure, connected, future-proof devices with Zephyr® – A proven RTOS ecosystem, by d

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Zephyr RTOS is a proven RTOS ecosystem, by developers, for developers. It is used in products deployed in over 10 million devices, from factory floors to fitness trackers. The project is hosted by the Linux Foundation.

12 alternatives to Zephyr

Ranked by how well each tool replaces Zephyr: shared features, audience, price and popularity.

  1. The Power to Serve

    Covers 2 of 15 key features and has a free plan.

    Free planOpen source
    59 out of 100 matchContact sales
  2. A free and open-source real-time operating system (RTOS) for embedded systems.

    Covers 2 of 15 key features and has a free plan.

    Free planOpen source
    58 out of 100 matchFree
  3. Mission-Critical PHP Made Possible

    Covers 1 of 15 key features and has a free plan.

    Free plan
    57 out of 100 matchContact sales
  4. Open source virtualization for systems that demand isolation and control.

    Covers 3 of 15 key features.

    Open source
    56 out of 100 match—
  5. Rethinking IT.

    Covers 1 of 15 key features and has a free plan.

    Free plan
    56 out of 100 matchFree
  6. Windows and macOS alternative designed to make your computer faster and more powerful.

    Covers 3 of 15 key features and has a free plan.

    Free planOpen source
    55 out of 100 matchContact sales
  7. FydeOS is a simple, swift, and secure OS for everyone.

    Covers 0 of 15 key features and has a free plan.

    Free plan
    55 out of 100 matchContact sales
  8. Industrial IoT platform connecting machinery, data, and people for production processes.

    Covers 0 of 15 key features.

    55 out of 100 matchContact sales
  9. Real-time operating system for microcontrollers and small microprocessors

    Covers 3 of 15 key features.

    Open source
    55 out of 100 match—
  10. The open source SDN platform

    Covers 3 of 15 key features and has a free plan.

    Free planOpen source
    54 out of 100 matchFree
  11. Open-source electronic prototyping platform enabling users to create interactive objects.

    Covers 2 of 15 key features.

    Open source
    54 out of 100 match—
  12. Open-source MQTT message broker for IoT messaging

    Covers 2 of 15 key features and has a free plan.

    Free planOpen source
    53 out of 100 matchFree