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    171 repositories

    • zephyr

      Public
      Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
      iotreal-timemicrocontrollerembeddedbluetoothbluetooth-lemcurtoszephyrzephyros
      C
      •
      Apache License 2.0
      •8.5k•14k•2.2k•1.3k•Updated Jan 9, 2026Jan 9, 2026

    • sdk-ng

      Public
      Zephyr SDK (Toolchains, Development Tools)
      sdkzephyrzephyr-sdksdk-components
      C
      •
      Apache License 2.0
      •180•246•52•11•Updated Jan 9, 2026Jan 9, 2026

    • crosstool-ng

      Public
      Zephyr fork of crosstool-NG - for building Zephyr GNU toolchains
      sdk-components
      Shell
      •
      Other
      •727•5•0•2•Updated Jan 9, 2026Jan 9, 2026

    • hal_atmel

      Public
      modulehal
      C
      •43•13•0•2•Updated Jan 9, 2026Jan 9, 2026

    • example-application

      Public template
      Example out-of-tree application that is also a module
      C
      •
      Apache License 2.0
      •209•321•0•2•Updated Jan 8, 2026Jan 8, 2026

    • percepio

      Public
      Repository containing all open source Percepio projects. TraceRecorder is software for tracing real-time applications. DFM is the target source code for DevAlert.
      module
      C
      •14•0•0•0•Updated Jan 8, 2026Jan 8, 2026

    • trusted-firmware-m

      Public
      Zephyr repository tracking https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git
      module
      C
      •
      Other
      •69•42•0•2•Updated Jan 8, 2026Jan 8, 2026

    • hal_nxp

      Public
      HAL module for NXP SoCs
      modulehalnxp
      C
      •
      Other
      •166•44•0•10•Updated Jan 8, 2026Jan 8, 2026

    • infrastructure

      Public
      Zephyr Project Infrastructure Management
      infrastructureci
      HCL
      •10•1•31•1•Updated Jan 7, 2026Jan 7, 2026

    • hal_nuvoton

      Public
      HAL module for Nuvoton ICs
      modulehal
      C
      •14•3•0•0•Updated Jan 7, 2026Jan 7, 2026

    • openthread

      Public
      openthread module for Zephyr, not a mirror of the official openthread repository
      networkingmodule
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •42•31•0•2•Updated Jan 7, 2026Jan 7, 2026

    • test_results

      Public
      Consolidated test results
      testingci
      Python
      •11•9•80•1•Updated Jan 7, 2026Jan 7, 2026

    • hal_renesas

      Public
      HAL for Renesas devices
      hal
      C
      •19•8•0•11•Updated Jan 7, 2026Jan 7, 2026

    • hal_stm32

      Public
      STM32Cube packages for Zephyr
      modulehal
      C
      •
      Other
      •152•144•0•14•Updated Jan 6, 2026Jan 6, 2026

    • gcc

      Public
      GCC source for building Zephyr SDK
      sdk-components
      C++
      •
      GNU General Public License v2.0
      •4.7k•4•0•4•Updated Jan 6, 2026Jan 6, 2026

    • binutils-gdb

      Public
      Binutils and GDB source for building Zephyr SDK
      sdk-components
      C
      •
      GNU General Public License v2.0
      •656•3•0•2•Updated Jan 6, 2026Jan 6, 2026

    • west

      Public
      West, Zephyr's meta-tool
      debuggingbuild-toolrepository-managementflashingzephyr
      Python
      •
      Apache License 2.0
      •146•304•47•9•Updated Jan 1, 2026Jan 1, 2026

    • lvgl

      Public
      moduledisplay
      C
      •
      MIT License
      •58•78•0•4•Updated Jan 1, 2026Jan 1, 2026

    • ArduinoCore-zephyr

      Public
      Arduino Core API module for ZephyrRTOS
      modulezephyrzephyr-rtosgsoc-2022
      C++
      •
      Apache License 2.0
      •56•58•7•2•Updated Dec 30, 2025Dec 30, 2025

    • zephyr-testing

      Public
      Test Repo, Do not clone! Use zephyr repo instead
      testingci
      C
      •
      Apache License 2.0
      •25•18•1•6•Updated Dec 29, 2025Dec 29, 2025

    • hal_rpi_pico

      Public
      HAL module for Raspberry Pico
      modulehal
      C
      •
      BSD 3-Clause "New" or "Revised" License
      •1.2k•16•0•1•Updated Dec 27, 2025Dec 27, 2025

    • zephyr-merge-list

      Public
      Zephyr Merge List
      Python
      •
      Apache License 2.0
      •4•3•0•1•Updated Dec 23, 2025Dec 23, 2025

    • mcuboot

      Public
      Secure boot for 32-bit Microcontrollers!
      modulebootloader
      C
      •
      Apache License 2.0
      •865•35•0•0•Updated Dec 23, 2025Dec 23, 2025

    • hal_sifli

      Public
      SiFli HAL
      modulehal
      C
      •4•0•0•2•Updated Dec 23, 2025Dec 23, 2025

    • nrf_hw_models

      Public
      Mirror of https://github.com/BabbleSim/ext_NRF_hw_models/ (PRs or issues should be filed there)
      modulehal
      C
      •14•4•0•0•Updated Dec 22, 2025Dec 22, 2025

    • hal_microchip

      Public
      HAL module for Microchip devices
      modulehal
      C
      •24•11•0•5•Updated Dec 19, 2025Dec 19, 2025

    • uoscore-uedhoc

      Public
      Zephyr downstream of https://github.com/eriptic/uoscore-uedhoc
      C
      •
      Other
      •4•3•0•1•Updated Dec 19, 2025Dec 19, 2025

    • action-zephyr-setup

      Public
      GitHub Action to set up Zephyr build environment
      ciactions
      Apache License 2.0
      •33•25•3•1•Updated Dec 18, 2025Dec 18, 2025

    • hal_infineon

      Public
      HAL for Infineon ICs
      modulehal
      C
      •
      Other
      •31•16•0•5•Updated Dec 17, 2025Dec 17, 2025

    • hal_xtensa

      Public
      Zephyr repository tracking https://github.com/foss-xtensa/xtensa-hal
      modulehal
      C
      •
      MIT License
      •19•5•0•1•Updated Dec 17, 2025Dec 17, 2025