Copyrights and Licenses

Software Copyrights

All original source code in this repository is Copyright (C) 2021-2025 Espressif Systems. This source code is licensed under the Apache License 2.0 as described in the file LICENSE .

Additional third party copyrighted code is included under the following licenses.

Where source code headers specify Copyright & License information, this information takes precedence over the summaries made here.

Some examples use external components which are not Apache licensed, please check the copyright description in each example source code.

ESP-IDF

ESP-IDF is licensed under the Apache License 2.0, as described in its copyright and license document.

Matter SDK

The Matter SDK is licensed under the Apache License 2.0 as described in the file LICENSE file.

Managed Components from Espressif’s Component Registry

espressif/mdns is licensed under the Apache License 2.0.
espressif/esp_secure_cert_mgr is licensed under the Apache License 2.0.
espressif/esp_encrypted_img is licensed under the Apache License 2.0.
espressif/esp_insights is licensed under the Apache License 2.0.
espressif/json_parser is licensed under the Apache License 2.0.
espressif/json_generator is licensed under the Apache License 2.0.
espressif/led_strip is licensed under the Apache License 2.0.
espressif/button is licensed under the Apache License 2.0.

Documentation

HTML version of the ESP-Matter Programming Guide uses the Sphinx theme sphinx_idf_theme, which is Copyright (c) 2013-2020 Dave Snider, Read the Docs, Inc. & contributors, and Espressif Systems (Shanghai) CO., LTD. It is based on sphinx_rtd_theme. Both are licensed under MIT license.