End User License Agreement

1. Ownership and License

Diffractor is protected by copyright laws and international treaties, as well as other intellectual property laws. The software is licensed, not sold. Zac Walker is the maker and licensor of Diffractor and owns all rights, including copyrights.

2. Acceptance

By installing or using Diffractor, the user accepts and agrees to this End User License Agreement (EULA) and any applicable open‑source licenses.

3. Open‑Source License (LGPL)

Diffractor is free software and may be redistributed and/or modified under the terms of the GNU Lesser General Public License (LGPL), version 2.1 or any later version. License details: https://www.gnu.org/licenses/lgpl-2.1.html. Where this EULA conflicts with the LGPL or other applicable open‑source licenses, those licenses control.

4. Permissions and Conditions

Subject to the LGPL, the user may use, copy, redistribute, and modify the software, provided that required notices are preserved and license terms are followed. Any distribution must include appropriate notices and license texts as required by the LGPL and other included licenses.

5. Restrictions

The user must not remove or alter copyright, license, or attribution notices in the software or accompanying materials. Trademarks, names, and logos (including “Diffractor”) remain the property of their owners and may not be used to suggest endorsement or create confusion about origin.

6. Privacy

The project does not sell or trade personal information. For details on diagnostics, automatic updates, and data handling, see the site’s Legal page and privacy statement.

7. Disclaimer of Warranties

Except as required by law, the software and accompanying materials are provided “as is,” without warranties of any kind, whether express or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, and non‑infringement.

8. Limitation of Liability

To the maximum extent permitted by law, in no event will any contributor to the Diffractor project be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of data, profits, revenue, or business, arising out of or related to use of the software, even if advised of the possibility of such damages.

9. Termination

This EULA terminates automatically if the user fails to comply with its terms or with applicable open‑source licenses. Upon termination, the user must cease use and comply with the obligations that survive, including preservation of notices as required by the LGPL.

Last updated: September 1, 2025.