Zephyr flex icon blue

Complete flexibility & freedom of choice

- Open source & neutral governance
- Supports multiple hardware architectures
- Small footprint: scales from small Cortex-M devices to multi-core 64-bit CPUs

Zephyr cloud icon blue

Connect embedded devices securely to any cloud

- Multiple protocol options including BLE mesh and Thread
- Supporting industrial, automotive, smart city and smart home
- Cloud agnostic – Connect with transport layer security to any cloud

Zephyr safety icon blue

Develop products with safety built in

- Long-term support
- In-depth security development lifecycle
- Functional safety certification coming soon

Member Quotes

Find out how your organization can benefit from participating. Check out all the choices in our Membership section.

Over 200 boards supported

Zephyr supports more than 200 boards. Search our list for the hardware used in your application. This diversity of supported boards gives developers and product manufacturers multiple options to solve their embedded RTOS challenges with Zephyr. If your board is not supported out of the box, adding support for a new board is simple.

em board
Zephyr up squared board
Zephyr hexiwear k64 board
Zephyr stm32 board
More Boards

Our Members

Zephyr project members help shape the direction of the project and provide guidance to help all members of the community get the most out of Zephyr.

Platinum Members

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As of January 9, 2020

Top News & Events

The Zephyr Project Welcomes Adafruit Industries to its Open Source Ecosystem

Zephyr RTOS will be on Display at Embedded World in Demos from Antmicro, Foundries.io, Nordic Semiconductor and PHYTEC NUREMBERG, GERMANY – February 24, […]

Sneak Peek: Zephyr Project at Embedded World

On February 25-27, more than 32,000 people will be in Nuremburg, Germany for Embedded World 2020. The event offers the global community the […]

Open computing at the edge: Zephyr member Antmicro at Embedded World 2020

This blog originally ran on the Antmicro website. For more Zephyr development tips and articles, please visit their blog. Zephyr Project member Antmicro helps […]

Linaro Connect Budapest, March 23-27

Linaro Connect Budapest 2020 will take place on March 23-27 at the Corinthia Hotel in Budapest, Hungary. There are several Zephyr sessions planned […]