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zephyrproject-rtos / zephyr

git clone https://github.com/zephyrproject-rtos/zephyr.git v4.4.2 Β· 2mo ago πŸ”₯ on GitHub Trending today

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

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LanguageC
LicenseApache-2.0
Created2016-05-26 (10y ago)
Last pushtoday
Watchers414
OwnerOrganization

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  • 2026-10-20 β€” #1 daily in c Β· +12 β˜…

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README excerpt
.. raw:: html
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-A,
Cortex-R, Cortex-M), Intel x86, ARC, Tensilica Xtensa, and RISC-V,
SPARC, MIPS, and a large number of `supported boards`_.
.. below included in doc/introduction/introduction.rst
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.
.. start_include_here
Community Support
*****************
Community support is provided via mailing lists and Discord; see the Resources
below for details.
.. _project-resources:
Resources
*********
Here's a quick summary of resources to help you find your way around:
Getting Started
---------------
 | πŸ“– `Zephyr Documentation`_
 | πŸš€ `Getting Started Guide`_
 | πŸ™‹πŸ½ `Tips when asking for help`_
 | πŸ’» `Code samples`_
Code and Development
--------------------
 | 🌐 `Source Code Repository`_
 | πŸ“¦ `Releases`_
 | 🀝 `Contribution Guide`_
Community and Support
---------------------
 | πŸ’¬ `Discord Server`_ for real-time community discussions
 | πŸ“§ `User mailing list (users@lists.zephyrproject.org)`_
 | πŸ“§ `Developer mailing list (devel@lists.zephyrproject.org)`_
 | πŸ“¬ `Other project mailing lists`_
 | πŸ“š `Project Wiki`_
Issue Tracking and Security
---------------------------
 | πŸ› `GitHub Issues`_
 | πŸ”’ `Security documentation`_
 | πŸ›‘οΈ `Security Advisories Repository`_
 | ⚠️ Report security vulnerabilities at vulnerabilities@zephyrproject.org
Additional Resources
--------------------
 | 🌐 `Zephyr Project Website`_
 | πŸ“Ί `Zephyr Tech Talks`_
.. _Zephyr Project Website: https://www.zephyrproject.org
.. _Discord Server: https://chat.zephyrproject.org
.. _supported boards: https://docs.zephyrproject.org/latest/boards/index.html
.. _Zephyr Documentation: https://docs.zephyrproject.org
.. _Introduction to Zephyr: https://docs.zephyrproject.org/latest/introduction/index.html
.. _Getting Started Guide: https://docs.zephyrproject.org/latest/develop/getting_started/index.html
.. _Contribution Guide: https://docs.zephyrproject.org/latest/contribute/index.html
.. _Source Code Repository: https://github.com/zephyrproject-rtos/zephyr
.. _GitHub Issues: https://github.com/zephyrproject-rtos/zephyr/issues
.. _Releases: https://github.com/zephyrproject-rtos/zephyr/releases
.. _Project Wiki: https://github.com/zephyrproject-rtos/zephyr/wiki
.. _User mailing list (users@lists.zephyrproject.org): https://lists.zephyrproject.org/g/users
.. _Developer mailing list (devel@lists.zephyrproject.org): https://lists.zephyrproject.org/g/devel
.. _Other pr