Repositories list

• zephyr

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

  iotreal-timemicrocontroller+ 9

  iotreal-timemicrocontrollerembeddedbluetoothbluetooth-lemcurtoszephyrzephyros+ 2

  C

  •

  Apache License 2.0

  •9.3k9.3k forks•16k16k stars•2.2k2.2k issues•1.4k1.4k pull requests•Updated Jun 3, 2026Jun 3, 2026

• hal_espressif

  Public
  HAL and SDK for ESP32 and other hardware from Espressif

  modulehal

  modulehal

  C

  •

  Apache License 2.0

  •8383 forks•6060 stars•33 issues•66 pull requests•Updated Jun 3, 2026Jun 3, 2026

• west

  Public
  West, Zephyr's meta-tool

  debuggingbuild-toolrepository-management+ 2

  debuggingbuild-toolrepository-managementflashingzephyr

  Python

  •

  Apache License 2.0

  •155155 forks•336336 stars•5252 issues•1515 pull requests•Updated Jun 3, 2026Jun 3, 2026

• test_results

  Public
  Consolidated test results

  testingci

  testingci

  Python

  •1111 forks•99 stars•8585 issues•11 pull request•Updated Jun 3, 2026Jun 3, 2026

• hal_wch

  Public
  HAL module for WCH CH32V

  modulehal

  modulehal

  C

  •

  MIT License

  •1212 forks•33 stars•00 issues•00 pull requests•Updated Jun 3, 2026Jun 3, 2026

• hostap

  Public
  Zephyr repository tracking https://w1.fi/cgit/hostap/

  C

  •

  Other

  •3030 forks•77 stars•00 issues•55 pull requests•Updated Jun 3, 2026Jun 3, 2026

• hal_nxp

  Public
  HAL module for NXP SoCs

  modulehalnxp

  modulehalnxp

  C

  •

  Other

  •183183 forks•4747 stars•00 issues•1212 pull requests•Updated Jun 3, 2026Jun 3, 2026

• bluetooth-qualification

  Public
  Repository with Bluetooth Qualification evidence

  11 fork•22 stars•00 issues•00 pull requests•Updated Jun 2, 2026Jun 2, 2026

• zephyr-merge-list

  Public

  zephyrproject-rtos/zephyr-merge-list’s past year of commit activity
  Zephyr Merge List

  Python

  •

  Apache License 2.0

  •55 forks•33 stars•00 issues•00 pull requests•Updated Jun 2, 2026Jun 2, 2026

• hal_ambiq

  Public

  zephyrproject-rtos/hal_ambiq’s past year of commit activity
  HAL for Ambiq devices

  hal

  hal

  C

  •1515 forks•44 stars•00 issues•22 pull requests•Updated Jun 2, 2026Jun 2, 2026

• cmsis-dsp

  Public
  CMSIS-DSP embedded compute library for Cortex-M and Cortex-A

  module

  module

  C

  •

  Apache License 2.0

  •223223 forks•66 stars•00 issues•00 pull requests•Updated Jun 2, 2026Jun 2, 2026

• zephyr-testing

  Public
  Test Repo, Do not clone! Use zephyr repo instead

  testingci

  testingci

  C

  •

  Apache License 2.0

  •2626 forks•1919 stars•11 issue•1111 pull requests•Updated Jun 2, 2026Jun 2, 2026

• hal_infineon

  Public
  HAL for Infineon ICs

  modulehal

  modulehal

  C

  •

  Other

  •4747 forks•1818 stars•00 issues•44 pull requests•Updated Jun 1, 2026Jun 1, 2026

• infrastructure

  Public
  Zephyr Project Infrastructure Management

  infrastructureci

  infrastructureci

  HCL

  •1515 forks•22 stars•3232 issues•11 pull request•Updated Jun 1, 2026Jun 1, 2026

• hal_nordic

  Public
  modulehalnordicsemi

  modulehalnordicsemi

  C

  •150150 forks•4444 stars•00 issues•88 pull requests•Updated Jun 1, 2026Jun 1, 2026

• TF-PSA-Crypto

  Public
  Reference implementation of the PSA Cryptography API

  C

  •

  Other

  •101101 forks•22 stars•00 issues•22 pull requests•Updated Jun 1, 2026Jun 1, 2026

• ArduinoCore-zephyr

  Public
  Arduino Core API module for ZephyrRTOS

  modulezephyrzephyr-rtos+ 1

  modulezephyrzephyr-rtosgsoc-2022

  C++

  •

  Apache License 2.0

  •7676 forks•6262 stars•99 issues•88 pull requests•Updated Jun 1, 2026Jun 1, 2026

• hal_stm32

  Public
  STM32Cube packages for Zephyr

  modulehal

  modulehal

  C

  •

  Other

  •165165 forks•163163 stars•00 issues•88 pull requests•Updated May 29, 2026May 29, 2026

• action-zephyr-setup

  Public
  GitHub Action to set up Zephyr build environment

  ciactions

  ciactions

  Apache License 2.0

  •3535 forks•3030 stars•44 issues•33 pull requests•Updated May 29, 2026May 29, 2026

• hal_realtek

  Public
  C

  •

  Apache License 2.0

  •1010 forks•11 star•00 issues•44 pull requests•Updated May 29, 2026May 29, 2026

• trusted-firmware-m

  Public
  Zephyr repository tracking https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git

  module

  module

  C

  •

  Other

  •8181 forks•4646 stars•00 issues•44 pull requests•Updated May 29, 2026May 29, 2026

• nrf_hw_models

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

  modulehal

  modulehal

  C

  •1414 forks•44 stars•00 issues•00 pull requests•Updated May 28, 2026May 28, 2026

• tf-m-tests

  Public
  Zephyr repository tracking https://git.trustedfirmware.org/TF-M/tf-m-tests.git

  module

  module

  C

  •

  Other

  •1717 forks•33 stars•00 issues•00 pull requests•Updated May 28, 2026May 28, 2026

• zephyr-lang-rust

  Public
  Support for Zephyr applications written in Rust

  Rust

  •

  Apache License 2.0

  •6666 forks•226226 stars•2929 issues•2525 pull requests•Updated May 27, 2026May 27, 2026

• hal_adi

  Public
  HAL for Analog Devices (formerly Maxim) devices

  modulehal

  modulehal

  C

  •

  Apache License 2.0

  •1717 forks•22 stars•00 issues•00 pull requests•Updated May 27, 2026May 27, 2026

• hal_silabs

  Public
  modulehal

  modulehal

  C

  •8686 forks•1313 stars•00 issues•44 pull requests•Updated May 27, 2026May 27, 2026

• psa-arch-tests

  Public
  Tests for verifying implementations of TBSA-v8M and the PSA Developer APIs

  C

  •

  Apache License 2.0

  •116116 forks•11 star•00 issues•00 pull requests•Updated May 27, 2026May 27, 2026

• action-sca-setup

  Public
  Action to setup various SCA tools

  00 forks•00 stars•00 issues•00 pull requests•Updated May 26, 2026May 26, 2026

• mcuboot

  Public
  Secure boot for 32-bit Microcontrollers!

  modulebootloader

  modulebootloader

  C

  •

  Apache License 2.0

  •929929 forks•3939 stars•00 issues•00 pull requests•Updated May 26, 2026May 26, 2026

• hal_nuvoton

  Public
  HAL module for Nuvoton ICs

  modulehal

  modulehal

  C

  •1515 forks•33 stars•00 issues•00 pull requests•Updated May 26, 2026May 26, 2026