Zephyr 4.4 delivers powerful new capabilities for connected embedded systems, including WireGuard VPN, Wi-Fi Direct, OpenRISC support, and Zephyr SDK 1.0.
Zephyr RTOS is being used in products deployed in over 10 million devices.
From factory floors to fitness trackers, Zephyr RTOS is powering the full spectrum of connected hardware. Discover where the ecosystem is growing in the Zephyr 10th Anniversary Report.
Developers choose Zephyr and don’t look back. Learn why in the Zephyr 10th Anniversary Report.
The 2026 Zephyr Developer Survey is now live! Share what’s working, what’s missing and where we should go next.
LATEST RELEASE NOW AVAILABLE
ZEPHYR 4.4
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Build secure, connected, future-proof devices with Zephyr®
A proven RTOS ecosystem, by developers, for developers
The Zephyr RTOS is trusted by commercial products in market today.
1000+ Boards Supported
Zephyr supports more than 1000 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.
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