This license is the license that determines the terms of using any version of Spintrum up to this one, unless otherwise stated in newer versions.

Spintrum is dual-licensed. You can choose one of the following options:

1. Use Spintrum with the GNU General Public License version 3 (GPLv3) (more information here: https://www.gnu.org/licenses/gpl-3.0.en.html), with an additional clause:

- In case you use Spintrum to produce any work (publication, software, machine, derivative software of any kind, etc...), you are obliged to acknowledge that Spintrum was used in that product.

In case this clause conflicts with other clauses in the GPLv3 license, this clause overwrites any other conflicting terms in the GPLv3 license.

2. As a commercial product: You can contact the authors of Spintrum and describe your requirements for purchasing Spintrum commercially, in which case you receive support and have the option request additional features.

For questions regarding licensing of Spintrum, please contact Samer Afach: [samer [[at]] afach.de].