Software License Agreement
==========================

**CKEditor&nbsp;5 Premium features** (https://ckeditor.com/ckeditor-5/)<br>
Copyright (c) 2003–2025, [CKSource Holding sp. z o.o.](https://cksource.com) All rights reserved.

CKEditor&nbsp;5 Premium features is licensed under a commercial license and is protected by copyright law.
For more information, see: [https://ckeditor.com/pricing](https://ckeditor.com/pricing).

Sources of Intellectual Property Included in CKEditor&nbsp;5 Premium features
-----------------------------------------------------------------------------

Where not otherwise indicated, all CKEditor&nbsp;5 Premium features content is authored by CKSource engineers and consists of CKSource-owned intellectual property.

The following libraries are included in CKEditor&nbsp;5 Premium features under the [Apache License, version 2.0](https://opensource.org/license/apache-2-0/):

* @aws-sdk/client-bedrock-runtime - Copyright 2018–2023 Amazon.com, Inc. or its affiliates. All Rights Reserved.

The following libraries are included in CKEditor&nbsp;5 Premium features under the [BSD-3-Clause](https://opensource.org/licenses/BSD-3-Clause):

* protobufjs - Copyright (c) 2016, Daniel Wirtz All rights reserved.
* diff - Copyright (c) 2009-2015, Kevin Decker.

The following libraries are included in CKEditor&nbsp;5 Premium features under the [BSD 2-Clause license](https://opensource.org/license/bsd-2-clause):

* domhandler - Copyright (c) 2014 Felix Böhm.
* domutils - Copyright (c) 2014 Felix Böhm.

The following libraries are included in CKEditor&nbsp;5 Premium features under the [MIT license](https://opensource.org/licenses/MIT):

* @codemirror/autocomplete - Copyright (C) 2018 by Marijn Haverbeke <marijn@haverbeke.berlin>, Adrian Heine <mail@adrianheine.de>, and others.
* @codemirror/commands - Copyright (C) 2018 by Marijn Haverbeke <marijn@haverbeke.berlin>, Adrian Heine <mail@adrianheine.de>, and others.
* @codemirror/lang-html - Copyright (C) 2018 by Marijn Haverbeke <marijn@haverbeke.berlin>, Adrian Heine <mail@adrianheine.de>, and others.
* @codemirror/lang-markdown - Copyright (C) 2018 by Marijn Haverbeke <marijn@haverbeke.berlin>, Adrian Heine <mail@adrianheine.de>, and others.
* @codemirror/language - Copyright (C) 2018 by Marijn Haverbeke <marijn@haverbeke.berlin>, Adrian Heine <mail@adrianheine.de>, and others.
* @codemirror/state - Copyright (C) 2018 by Marijn Haverbeke <marijn@haverbeke.berlin>, Adrian Heine <mail@adrianheine.de>, and others.
* @codemirror/theme-one-dark - Copyright (C) 2018 by Marijn Haverbeke <marijn@haverbeke.berlin>, Adrian Heine <mail@adrianheine.de>, and others.
* @codemirror/view - Copyright (C) 2018 by Marijn Haverbeke <marijn@haverbeke.berlin>, Adrian Heine <mail@adrianheine.de>, and others.
* @types/luxon - Copyright (c) DefinitelyTyped.
* @uploadcare/file-uploader - Copyright (c) Uploadcare Inc.
* @uploadcare/upload-client - Copyright (c) Uploadcare Inc.
* dom-serializer - Copyright (c) 2022 The Cheerio contributors.
* es-toolkit - Copyright (c) 2024 Viva Republica, Inc.
* eventsource-parser - Copyright (c) 2025 Espen Hovlandsdal.
* htmlparser2 - Copyright (c) 2010, 2011 Chris Winberry.
* luxon - Copyright (c) JS Foundation and other contributors.
* morphdom - Copyright (c) 2016 Patrick Steele-Idem.
* socket.io-client - Copyright (c) 2014-present Guillermo Rauch and Socket.IO contributors.
* socket.io-parser - Copyright (c) 2014-present Guillermo Rauch and Socket.IO contributors.
* specificity - Copyright (c) 2016 Keegan Street and others.
* url-parse - Copyright (c) 2015 Unshift.io, Arnout Kazemier, the Contributors.
* uuid - Copyright (c) 2010-2020 Robert Kieffer and other contributors.

Trademarks
----------

**CKEditor** is a trademark of [CKSource Holding sp. z o.o.](https://cksource.com) All other brand and product names are trademarks, registered trademarks or service marks of their respective holders.
