3.3 KiB
Software License Agreement
CKEditor 5 (https://github.com/ckeditor/ckeditor5)
Copyright (c) 2003–2025, CKSource Holding sp. z o.o. All rights reserved.
Licensed under a dual-license model, this software is available under:
- the GNU General Public License Version 2 or later (see COPYING.GPL),
- or commercial license terms from CKSource Holding sp. z o.o.
For more information, see: https://ckeditor.com/legal/ckeditor-licensing-options.
If you are using CKEditor under commercial terms, you are free to remove the COPYING.GPL file with the full copy of a GPL license.
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:
- @types/color-convert - Copyright (c) DefinitelyTyped.
- blurhash - Copyright (c) Wolt Enterprises.
- color-convert - Copyright (c) 2011–2016 Heather Arthur fayearthur@gmail.com, copyright (c) 2016–2021 Josh Junon josh@junon.me.
- color-parse - Copyright (c) 2015 Dmitry Ivanov.
- emojibase-data - Copyright (c) 2017-2019 Miles Johnson.
- es-toolkit - Copyright (c) 2024 Viva Republica, Inc.
- fuzzysort - Copyright (c) 2018 Stephen Kamenar.
- is-emoji-supported - Copyright (c) 2016-2020 Koala Interactive, Inc.
- vanilla-colorful - Copyright (c) 2020 Serhii Kulykov iamkulykov@gmail.com.
- Regular Expression for URL validation - Copyright (c) 2010-2018 Diego Perini.
- @types/hast - Copyright (c) Microsoft Corporation.
- hast-util-to-html - Copyright (c) Titus Wormer tituswormer@gmail.com
- hast-util-to-mdast - Copyright (c) Titus Wormer tituswormer@gmail.com and Copyright (c) Seth Vincent sethvincent@gmail.com
- hastscript - Copyright (c) Titus Wormer tituswormer@gmail.com
- rehype-remark - Copyright (c) Titus Wormer tituswormer@gmail.com
- remark-breaks - Copyright (c) 2017 Titus Wormer tituswormer@gmail.com
- remark-gfm - Copyright (c) Titus Wormer tituswormer@gmail.com
- remark-parse - Copyright (c) 2014 Titus Wormer tituswormer@gmail.com
- remark-rehype - Copyright (c) Titus Wormer tituswormer@gmail.com
- remark-stringify - Copyright (c) 2014 Titus Wormer tituswormer@gmail.com
- unified - Copyright (c) 2015 Titus Wormer tituswormer@gmail.com
- unist-util-visit - Copyright (c) 2015 Titus Wormer tituswormer@gmail.com
The following libraries are included in CKEditor under the ISC license:
- hast-util-from-dom - Copyright (c) Keith McKnight keith@mcknig.ht
- rehype-dom-parse - Copyright (c) 2018 Keith McKnight keith@mcknig.ht
- rehype-dom-stringify - Copyright (c) 2018 Keith McKnight keith@mcknig.ht
Trademarks
CKEditor is a trademark of CKSource Holding sp. z o.o. All other brand and product names are trademarks, registered trademarks or service marks of their respective holders.