ChibiOS Homepage

Welcome 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.

Latest Releases

On 12-29-2021 ChibiOS 21.11.3 “Montepertuso” has been released. More info here downloads here.

On 10-31-2021 ChibiOS 20.3.4 “Conca” has been released. More info here, downloads here.