Product Information
Community and Support
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 a development environment.

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 3.0.3 Stable

ChibiOS 3.0.3 has been released. Maintenance release, all known bugs have been fixed.

learn more

ChibiOS 2.6.9 Stable

ChibiOS/RT 2.6.9 has been released. This is a maintenance release fixing some minor problems.

learn more

ChibiStudio Preview 14

ChibiStudio preview 14 has been released.

learn more