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* The primary FreeRTOS repository is now in Git. Go to https://github.com/freertos for the latest FreeRTOS kernel and libraries.
* Our support has moved to https://forums.freertos.org.
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FreeRTOS is a market-leading real-time operating system (RTOS) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of libraries suitable for use across all industry sectors. Visit https://www.freertos.org for more information and other download options.

Note about support/discussions forum:
The FreeRTOS support forum has moved to https://forums.freertos.org. Please update your bookmarks and create new posts in the appropriate category in the new community forums.

Features

  • Tiny (5-10kb ROM), power-saving kernel
  • Support for 40+ architectures
  • Truely free MIT license
  • Optional commercial licensing and support available
  • Variety of modular libraries included
  • Secure and tested IoT reference integrations

Project Samples

A free professional grade RTOS for microcontrollers

Project Activity

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Categories

Software Development, Operating System Kernels, Embedded Systems, ROMs

License

Other License

Follow FreeRTOS Real Time Kernel (RTOS)

FreeRTOS Real Time Kernel (RTOS) Web Site

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User Ratings

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User Reviews

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  • liammc Posted 2019-03-08
    Amazing RTOS and its's free!
    1 user found this review helpful.
  • cmcqueen1975 Posted 2018-12-03
    It is a robust RTOS that is well designed to work on multiple architectures.
  • casner Posted 2018-02-12
    This is the kind of simple, well coded, application structure needed in many of the projects I work on.
  • krnl386 Posted 2017-07-12
    I Just cant believe that this RTOS is given for free
  • parth92102 Posted 2016-12-15
    An excellent one in all way and always.
Read more reviews >

Additional Project Details

Languages

English

Intended Audience

Developers, Education, Science/Research

Programming Language

C

Related Categories

C Software Development Software, C Operating System Kernels, C Embedded Systems Software, C ROMs

Registered

2004-06-09
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