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guideLicense and legal

The following legal notices apply to CKEditor 5 and all software from CKEditor 5 Ecosystem included with it.

Copyright © 2003-2023, CKSource Holding sp. z o.o. All rights reserved.

Licensed under the terms of GNU General Public License Version 2 or later.

# Free for Open Source

If you are running an Open Source project under an OSS license incompatible with GPL, please contact us. We will be happy to support your project with a free CKEditor 5 license.

# Sources of intellectual property included in CKEditor

Where not otherwise indicated, all CKEditor 5 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.

# 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.