essentials is available under a dual licensing model. One license type is for commercial (english version) use, the other one for private and scientific (english version) use. The appendix describes what libraries and programs are covered by the license. It is bi-lingual (German and English) and is the very same for both licenses.

At the moment the license texts are available in German and English.

If you have any questions or if you have specific needs just contact us via or post at our forums at

The licenses are also available as PDF in our downloads section.