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

**CKEditor&nbsp;5 Collaboration features core** (https://ckeditor.com/ckeditor-5/)<br>
Copyright (c) 2003–2026, [CKSource Holding sp. z o.o.](https://cksource.com) All rights reserved.

CKEditor&nbsp;5 Collaboration features core 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
------------------------------------------------------------

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

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

* diff - Copyright (c) 2009-2015, Kevin Decker <kpdecker@gmail.com>.

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

* @types/luxon - Copyright (c) Microsoft Corporation.
* luxon - Copyright 2019 JS Foundation 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.
