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@zephyrproject-rtos

Zephyr Project

The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures, optimized for resource constrained devices, and built with security in mind.

The Zephyr OS is based on a small-footprint kernel designed for use on resource-constrained systems: from simple embedded environmental sensors and LED wearables to sophisticated smart watches and IoT wireless gateways.

The Zephyr kernel supports multiple architectures, including ARM Cortex-M, Intel x86, ARC, Nios II, Tensilica Xtensa, and RISC-V, and a large number of supported boards.

Getting Started

Welcome to Zephyr! See the Introduction to Zephyr for a high-level overview, and the documentation's Getting Started Guide to start developing.

Community Support

Community support is provided via mailing lists and Discord; see the Resources below for details.

Resources

Here's a quick summary of resources to help you find your way around:

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  1. zephyr zephyr Public

    Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

    C 13.8k 8.3k

  2. west west Public

    West, Zephyr's meta-tool

    Python 298 147

  3. example-application example-application Public template

    Example out-of-tree application that is also a module

    C 311 204

  4. sdk-ng sdk-ng Public

    Zephyr SDK (Toolchains, Development Tools)

    C 241 175

  5. docker-image docker-image Public

    Docker image suitable for Zephyr development and CI

    Shell 209 106

  6. awesome-zephyr-rtos awesome-zephyr-rtos Public

    Forked from golioth/awesome-zephyr-rtos

    🪁 A curated list of awesome projects and resources for the Zephyr RTOS project.

    47 9

Repositories

Showing 10 of 171 repositories
  • nrf_hw_models Public

    Mirror of https://github.com/BabbleSim/ext_NRF_hw_models/ (PRs or issues should be filed there)

    zephyrproject-rtos/nrf_hw_models’s past year of commit activity
    C 4 15 0 2 Updated Nov 26, 2025
  • zephyr Public

    Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

    zephyrproject-rtos/zephyr’s past year of commit activity
    C 13,790 Apache-2.0 8,284 2,231 (26 issues need help) 1,194 Updated Nov 26, 2025
  • zephyr-merge-list Public

    Zephyr Merge List

    zephyrproject-rtos/zephyr-merge-list’s past year of commit activity
    Python 3 Apache-2.0 3 0 0 Updated Nov 26, 2025
  • test_results Public

    Consolidated test results

    zephyrproject-rtos/test_results’s past year of commit activity
    Python 9 12 80 1 Updated Nov 26, 2025
  • infrastructure Public

    Zephyr Project Infrastructure Management

    zephyrproject-rtos/infrastructure’s past year of commit activity
    HCL 1 9 31 1 Updated Nov 25, 2025
  • docker-image Public

    Docker image suitable for Zephyr development and CI

    zephyrproject-rtos/docker-image’s past year of commit activity
    Shell 209 Apache-2.0 106 8 0 Updated Nov 25, 2025
  • hal_espressif Public

    HAL and SDK for ESP32 and other hardware from Espressif

    zephyrproject-rtos/hal_espressif’s past year of commit activity
    C 55 Apache-2.0 68 3 3 Updated Nov 25, 2025
  • net-tools Public

    Network tools for testing with Qemu

    zephyrproject-rtos/net-tools’s past year of commit activity
    C 41 43 4 3 Updated Nov 25, 2025
  • openthread Public

    openthread module for Zephyr, not a mirror of the official openthread repository

    zephyrproject-rtos/openthread’s past year of commit activity
    C++ 31 BSD-3-Clause 42 0 1 Updated Nov 25, 2025
  • hal_realtek Public
    zephyrproject-rtos/hal_realtek’s past year of commit activity
    0 0 0 0 Updated Nov 24, 2025