Product Information
Community and Support
Some Facts
External Resources

ChibiOS Homepage

ChibiOS Free Edition LogoWelcome to the ChibiOS project page. ChibiOS is a complete development environment for embedded applications including RTOS, an HAL, peripheral drivers, support files and tools.

ChibiOS also integrates external Open Source components in order to offer a complete solution for embedded devices.

The ChibiOS components are available under Open Source licenses, GPL3 or Apache 2.0, there are also several commercial licensing options.

Support our Project

If you like ChibiOS, please, consider supporting our project with a small donation.


All guides and articles of the old web site are still available on the technical wiki documentation page.

ChibiOS 18.2.0 stable

ChibiOS 18.2.0 “Amalfi” has been released.

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Updated licensing page

Visit our updated licensing page.

New partners page

Visit our new partners page.

ChibiOS 17.6.3 stable

ChibiOS 17.6.3 “Vivace” has been released.

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ChibiStudio Preview 19

ChibiStudio preview 19 has been released.

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ChibiOS to fly even higher.

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ChibiOS/RT The Book

The Ultimate Guide preview, the book is freely available online. Everything about the RT kernel described in great detail.

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