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FreeRTOS FAQ - Licensing

This is a subsection of the full FAQ

Can I use FreeRTOS in a commercial project?
Do I have to give away my application source code if I use FreeRTOS?


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Can I use FreeRTOS in a commercial project?

Yes. If you do so you are encouraged to make a donation to the FreeRTOS project - but this is voluntary.

Please read the software license information page for a full answer.



Do I have to give away my application source code if I use FreeRTOS?

No, provided your application is not itself a Real Time Operating System or directly related product.

In the spirit of Open Source, you are encouraged to publish source code wherever possible.

Please read the software license information page for a full answer.








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Atmel RTOS partner supporting ARM Cortex-M3 and AVR32 microcontrollers

STMicro RTOS partner supporting ARM7, ARM Cortex-M3, ARM Cortex-M4 and ARM Cortex-M0

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Altera RTOS partner for Nios II and Cortex-A9 SoC

Freescale Alliance RTOS Member supporting ARM and ColdFire microcontrollers

Infineon ARM Cortex-M microcontrollers

Texas Instruments MCU Developer Network RTOS partner for ARM and MSP430 microcontrollers

Cypress RTOS partner supporting ARM Cortex-M3

Fujitsu RTOS partner supporting ARM Cortex-M3 and FM3

Microsemi (previously Actel) RTOS partner supporting ARM Cortex-M3

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IAR Partner

Keil ARM Partner

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