Software License Agreement ========================== **CKEditor 5** (https://github.com/ckeditor/ckeditor5)
Copyright (c) 2003–2025, [CKSource Holding sp. z o.o.](https://cksource.com) All rights reserved. Licensed under a dual-license model, this software is available under: * the [GNU General Public License Version 2 or later](https://www.gnu.org/licenses/gpl.html), * or commercial license terms from CKSource Holding sp. z o.o. For more information, see: [https://ckeditor.com/legal/ckeditor-licensing-options](https://ckeditor.com/legal/ckeditor-licensing-options). Sources of Intellectual Property Included in CKEditor ----------------------------------------------------- Where not otherwise indicated, all CKEditor content is authored by CKSource engineers and consists of CKSource-owned intellectual property. In some specific instances, CKEditor will incorporate work done by developers outside of CKSource with their express permission. The following libraries are included in CKEditor under the [MIT license](https://opensource.org/licenses/MIT): * BlurHash - Copyright (c) 2018 Wolt Enterprises (MIT license). * color-convert - Copyright (c) 2011–2016 Heather Arthur , copyright (c) 2016–2021 Josh Junon . * color-parse - Copyright (c) 2015 Dmitry Ivanov. * emojibase-data - Copyright (c) 2017-2019 Miles Johnson. * fuzzysort - Copyright (c) 2018 Stephen Kamenar. * is-emoji-supported - Copyright (c) 2016-2020 Koala Interactive, Inc. * Lodash - Copyright (c) JS Foundation and other contributors https://js.foundation/. Based on Underscore.js, copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors http://underscorejs.org/. * Marked - Copyright (c) 2018+, MarkedJS (https://github.com/markedjs/), copyright (c) 2011–2018, Christopher Jeffrey (https://github.com/chjj/). * Turndown - Copyright (c) 2017+ Dom Christie. * turndown-plugin-gfm - Copyright (c) 2017+ Dom Christie. * vanilla-colorful - Copyright (c) 2020 Serhii Kulykov . 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.