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FreeRTOS+FAT SL License

Special License Arrangements

Special free of charge commercial license terms apply when FreeRTOS+FAT SL is used on a microcontroller listed in this section. Click the microcontroller name in the list below to view the license document.

Standard License Terms

Standard license terms apply when FreeRTOS+FAT SL is used in an application that executes on any microcontroller, system on chip, or microprocessor that is not listed in the Special License Arrangements section above. The standard license terms are provided in the header section of each FreeRTOS+FAT SL source file, and duplicated below:

FreeRTOS+FAT SL (C) 2013 HCC Embedded

The FreeRTOS+FAT SL license terms are different to the FreeRTOS license terms.

FreeRTOS+FAT SL uses a dual license model that allows the software to be used 
under a standard GPL open source license, or a commercial license.  The standard 
GPL license (unlike the modified GPL license under which FreeRTOS itself is 
distributed) requires that all software statically linked with FreeRTOS+FAT SL 
is also distributed under the same GPL V2 license terms.  Details of both 
license options follow:

- Open source licensing -
FreeRTOS+FAT SL is a free download and may be used, modified, evaluated and
distributed without charge provided the user adheres to version two of the GNU
General Public License (GPL) and does not remove the copyright notice or this
text.  The GPL V2 text is available on the web site, and on the
following URL:

- Commercial licensing -
Businesses and individuals that for commercial or other reasons cannot comply
with the terms of the GPL V2 license must obtain a commercial license before
incorporating FreeRTOS+FAT SL into proprietary software for distribution in any
form.  Commercial licenses can be purchased from
and do not require any source files to be changed.

FreeRTOS+FAT SL is distributed in the hope that it will be useful.  You cannot
use FreeRTOS+FAT SL unless you agree that you use the software 'as is'.
FreeRTOS+FAT SL is provided WITHOUT ANY WARRANTY; without even the implied
PURPOSE. Real Time Engineers Ltd. disclaims all conditions and terms, be they
implied, expressed, or statutory.

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