License Details
The FreeRTOS kernel and other FreeRTOS libraries are distributed for free under the MIT open source license
(SPDX-License-Identifier: MIT). The FreeRTOS kernel license comparison table below contains answers to common license questions. Some demo projects also include third-party libraries that may use an open source
license other than MIT.
MIT open source license text
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Optional FreeRTOS commercial licensing
From our strategic partner WITTENSTEIN high integrity systems.
FreeRTOS kernel license comparison
|
FreeRTOS kernel
MIT 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 FreeRTOS 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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