OpenThread released by Nest is an open-source implementation of the Thread networking protocol
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abtink and jwhui [coap] remove Coap sub-classes (#3364)
This commit simplifies the COAP modules by renaming `CoapBase` to
`Coap` and removing the now unnecessary sub-classes `ApplicationCoap`
and `ApplicationCoapSecure`.
Latest commit c482301 Dec 10, 2018
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.appveyor [types] move types into specific headers (#2946) Aug 8, 2018
.github [github] update issue templates (#2920) Jul 30, 2018
.travis [android] build spi-hdlc-adapter in OpenThread (#3342) Dec 6, 2018
doc [spinel] add a section for MeshCop properties and update documentation ( Jul 20, 2018
etc [docs] added new Dockerfiles (#3347) Dec 4, 2018
examples [efr32] add support for RTT log (#3285) Dec 14, 2018
include [dhcp6-client] remove dhcp6 client api (#3287) Dec 12, 2018
script [bootstrap] add `-y` option to `apt-get install` (#3356) Dec 10, 2018
src [coap] remove Coap sub-classes (#3364) Dec 14, 2018
tests [tests] update 5.2.7 to not require Link Accept from DUT_ROUTER (#3358) Dec 13, 2018
third_party [efr32] add support for RTT log (#3285) Dec 14, 2018
tools [spi-hdlc-adapter] make pretty spi-hdlc-adapter (#3341) Dec 6, 2018
.appveyor.yml Remove AppVeyor Debug Builds (#1528) Mar 29, 2017
.clang-format [clang-format] use cpp03 (#3194) Oct 31, 2018
.codecov.yml [coverage] enable reporting (#2060) Aug 4, 2017
.default-version build-system: Update .default-version to 0.01.00 for the initial rele… Jun 15, 2016
.gitattributes Merge Windows Driver Code (#817) Oct 25, 2016
.gitignore [nlbuild-autotools] ignore autoconf files modified by bootstrap (#2794) Jun 15, 2018
.travis.yml [style] change to clang-format-6.0 (#3222) Oct 29, 2018
AUTHORS Add Synopsys to AUTHOR. (#1831) May 25, 2017 [android] build spi-hdlc-adapter in OpenThread (#3342) Dec 6, 2018 Adopt Contributor Covenant Code of Conduct. (#1464) Mar 17, 2017 [style] change to clang-format-6.0 (#3222) Oct 29, 2018
LICENSE Change copyright to The OpenThread Authors. (#583) Sep 13, 2016 [coaps] include coaps in `make dist` (#3096) Sep 27, 2018
NOTICE [docs] update version (#2496) Jan 19, 2018 [docs] added link for OpenThread China and updated Doxygen TOC (#3261) Nov 2, 2018 [style] add use of OT_UNUSED_VARIABLE (#3299) Nov 17, 2018
bootstrap Change copyright to The OpenThread Authors. (#583) Sep 13, 2016 [efr32] add support for RTT log (#3285) Dec 14, 2018

OpenThread Build Status Build Status Coverage Status

What is OpenThread?

OpenThread is... Thread Certified Component open-source implementation of the Thread networking protocol. Nest has released OpenThread to make the technology used in Nest products more broadly available to developers to accelerate the development of products for the connected home.

...OS and platform agnostic, with a narrow platform abstraction layer and a small memory footprint, making it highly portable. It supports both system-on-chip (SoC) and network co-processor (NCP) designs.

...a Thread Certified Component, implementing all features defined in the Thread 1.1.1 specification, including all Thread networking layers (IPv6, 6LoWPAN, IEEE 802.15.4 with MAC security, Mesh Link Establishment, Mesh Routing) and device roles, as well as Border Router support.

More information about Thread can be found at Thread is a registered trademark of the Thread Group, Inc.

Who supports OpenThread?

Led by Nest, the following companies are contributing to the ongoing development of OpenThread:

Android ThingsARMDialogMicrosoft
QualcommSynopsysTexas InstrumentsZephyr Project

Getting started

All end-user documentation and guides are located at If you're looking to do things like...

  • Learn more about OpenThread features and enhancements
  • Use OpenThread in your products
  • Learn how to build and configure a Thread network
  • Port OpenThread to a new platform
  • Build an application on top of OpenThread
  • Certify a product using OpenThread

...then is the place for you.

Note: For users in China, end-user documentation is available at

If you're interested in contributing to OpenThread, read on.


We would love for you to contribute to OpenThread and help make it even better than it is today! See our Contributing Guidelines for more information.

Contributors are required to abide by our Code of Conduct and Coding Conventions and Style Guide.


OpenThread follows the Semantic Versioning guidelines for release cycle transparency and to maintain backwards compatibility. OpenThread's versioning is independent of the Thread protocol specification version but will clearly indicate which version of the specification it currently supports.


OpenThread is released under the BSD 3-Clause license. See the LICENSE file for more information.

Please only use the OpenThread name and marks when accurately referencing this software distribution. Do not use the marks in a way that suggests you are endorsed by or otherwise affiliated with Nest, Google, or The Thread Group.

Need help?

There are numerous avenues for OpenThread support:

The openthread-users Google Group is the recommended place for users to discuss OpenThread and interact directly with the OpenThread team.