The FreeRTOS kernel is now an MIT licensed AWS open source project, and these pages are being updated accordingly.

Quality RTOS & Embedded Software About   Contact   Support   FAQ   Download Menu      Quick Start Supported MCUs PDF Books Trace Tools Ecosystem Quick Start Guide Support Forum ⇓ Download Source ⇓ FreeRTOS+ Ecosystem  FreeRTOS+TCP:  Thread safe TCP/IP stack  SafeRTOS:  TUV certified RTOS  OpenRTOS:  Commercial Licensed RTOS  Fail Safe File System:  Ensures data integrity  FreeRTOS BSPs:  3rd party driver packages  Trace & Visualisation:  Tracealyzer for FreeRTOS  CLI:  Command line interface  WolfSSL SSL / TLS:  Networking security protocols  RTOS Training:  Delivered online or on-site  IO:  read(), write(), ioctl() interface FreeRTOS+ Lab Projects  FreeRTOS+POSIX:  POSIX threading API  FreeRTOS+FAT:  Thread aware file system Hint: Use the tree menu to navigate groups of related pages   License Details [About FreeRTOS] MIT Open Source License Text Both the FreeRTOS kernel and Amazon FreeRTOS are provided under the following MIT open source license. The table below contains answers to common license questions. 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 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. 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 [ Back to the top ]    [ About FreeRTOS ]    [ Privacy ]    [ Sitemap ]    [ ] Copyright (C) Amazon Web Services, Inc. or its affiliates. All rights reserved.

Latest News NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS. Meet Richard Barry and learn about running FreeRTOS on RISC-V at FOSDEM 2019 Version 10.1.1 of the FreeRTOS kernel is available for immediate download. MIT licensed. View a recording of the "OTA Update Security and Reliability" webinar, presented by TI and AWS. Careers FreeRTOS and other embedded software careers at AWS. FreeRTOS Partners