Download FreeRTOS
 

Quality RTOS & Embedded Software

COMMUNITY
WHAT'S NEW
Simplifying Authenticated Cloud Connectivity for Any Device.
How Wi-Fi and Cellular connectivity modules with ExpressLink can help create secure cloud connected devices. See the blog post.
Designing an energy efficient and cloud-connected IoT solution with CoAP.
A client/server, request/response, UDP-based protocol for efficiency and cloud compatibility. See the blog post.
Introducing FreeRTOS Kernel version 11.0.0:
A Major Release with Symmetric Multiprocessing (SMP) Support. See the blog post.
FreeRTOS Roadmap and Code Contribution process.
The FreeRTOS roadmap and code contribution process are now published here and on GitHub. See the blog post.
OPC-UA over TSN with FreeRTOS.
A development project to give applications consistent access to hardware TSN capabilities. See the blog post.

Optional FreeRTOS Kernel Commercial Licensing
From Our Strategic Partner WITTENSTEIN high integrity systems

 

 

 OpenRTOSTM is a commercially licensed version of the FreeRTOS kernel that includes indemnification and dedicated support. FreeRTOS and OpenRTOS share the same code base. OpenRTOS is provided under license from AWS by WITTENSTEIN high integrity systems - an AWS strategic partner.
SAFERTOSTM is a derivative version of the FreeRTOS kernel that has been analyzed, documented and tested to meet the stringent requirements of industrial (IEC 61508 SIL 3), medical (IEC 62304 and FDA 510(K)) automotive (ISO 26262) and other international safety standards. SafeRTOS includes independently audited safety lifecycle documentation artifacts. SafeRTOS is provided by WITTENSTEIN high integrity systems - an AWS strategic partner.

Kernel License Comparison

 
FreeRTOS Kernel
MIT License
OpenRTOS
Commercial License
Is it free?
Yes
No
Can I use it in a commercial application?
Yes
Yes
Is it royalty free?
Yes
Yes
Is a warranty provided?
No
Yes
Can I receive professional technical support on a commercial basis?
Yes
Yes
Is legal protection provided?
No
Yes, IP infringement protection is provided
Do I have to open source my application code that makes use of the FreeRTOS services?
No
No
Do I have to open source my changes to the RTOS kernel?
No
No
Do I have to document that my product uses FreeRTOS?
No
No
Do I have to offer to provide the FreeRTOS code to users of my application?
No
No



























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