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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 Public

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

    C 12.9k 7.8k

  2. west Public

    West, Zephyr's meta-tool

    Python 278 142

  3. example-application Public template

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

    C 287 173

  4. sdk-ng Public

    Zephyr SDK (Toolchains, Development Tools)

    C 217 160

  5. docker-image Public

    Docker image suitable for Zephyr development and CI

    Shell 188 102

  6. awesome-zephyr-rtos Public

    Forked from golioth/awesome-zephyr-rtos

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

    32 8

Repositories

Showing 10 of 167 repositories
  • zephyr Public

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

    C 12,870 Apache-2.0 7,768 2,095 (24 issues need help) 1,037 Updated Aug 12, 2025
  • hal_renesas Public

    HAL for Renesas devices

    C 5 15 0 6 Updated Aug 12, 2025
  • openthread Public

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

    C++ 29 BSD-3-Clause 41 0 1 Updated Aug 11, 2025
  • hal_nxp Public

    HAL module for NXP SoCs

    C 36 157 0 13 Updated Aug 11, 2025
  • zephyr-testing Public

    Test Repo, Do not clone! Use zephyr repo instead

    C 16 Apache-2.0 25 0 7 Updated Aug 11, 2025
  • reqmgmt Public
    Python 17 16 15 6 Updated Aug 11, 2025
  • mcuboot Public Forked from mcu-tools/mcuboot

    Secure boot for 32-bit Microcontrollers!

    C 28 Apache-2.0 805 0 0 Updated Aug 11, 2025
  • net-tools Public

    Network tools for testing with Qemu

    C 40 39 4 3 Updated Aug 11, 2025
  • gcc Public Forked from gcc-mirror/gcc

    GCC source for building Zephyr SDK

    C++ 4 GPL-2.0 4,661 0 4 Updated Aug 11, 2025
  • picolibc Public Forked from picolibc/picolibc

    picolibc - a C library designed for embedded 32- and 64- bit systems.

    C 5 GPL-2.0 228 0 2 Updated Aug 11, 2025