This TYPO3 extension is licensed under the terms of the GNU General Public License (GPL) version 3. Non-commercial use is free of any charge. Usage in a commercial or advertisement context requires to obtain an accordant permission by obtaining an accordant license for commercial usage. Get in touch with the author Steffen Ritter <info@rs-websystems.de> in case of questions.
This section explicitly allows to use this extension with GNU General Public License (GPL) version 2 or any later version. Non-commercial releases that include this extension or derivations can be released under GPL version 2 or any later version as well.
The section of commercial usage of the general license is still valid then.