# Zeith Standard Free License

### _Last modified on May 8th, 2026._

**All Rights Reserved unless otherwise explicitly stated.**

1. Grant of Use
   
   Permission is granted to use this software for any purpose, including commercial use.

2. Redistribution
   
   You may redistribute the software in compiled (binary) form without restriction, provided that:
    - The software is not modified.
    - This license is included with the distribution.

3. Source Code Access
    - The source code is provided for reference, debugging, educational purposes, and contribution via the official
      upstream repository.
    - The source code may **NOT** be used for training any AI or Large Language Model, no exceptions.

4. Restrictions
   
   You may NOT:
    - Modify, adapt, translate, or create derivative works of the software.
    - Redistribute modified versions of the software in any form (source or binary).
    - Remove or alter any copyright or license notices.

5. Modification Requests
   
   If you wish to modify the software, you must obtain prior written permission from the copyright holder.

6. Ownership
   
   The software and all associated intellectual property remain the exclusive property of the copyright holder.

7. Disclaimer
   
   **THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
   THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT, OR
   OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.**

8. Linking Exception
   
   This license does not restrict the use of this software as a dependency in larger works, provided the software itself
   is not modified.

9. Contribution Fork Exception
   
   Notwithstanding Section 4, you are permitted to fork and modify the software solely for the purpose of contributing
   improvements back to the original upstream repository.

   Such forks must comply with the following conditions:
   - Modifications must be submitted as pull requests or equivalent contribution requests to the official upstream repository.
   - Modified versions may not be redistributed publicly in compiled or source form unless explicitly approved by the copyright holder.
   - You may not maintain or distribute long-lived public forks of the software.
   - All contributions may be licensed or incorporated into the main project at the discretion of the copyright holder.

10. License Updates and Retroactive Applicability

    The Licensor reserves the right to modify, update, or replace this License at any time.

    Any new version of this License shall automatically apply retroactively to all copies, versions, releases, and distributions of the Software previously licensed under this License, unless otherwise prohibited by applicable law.

    By continuing to use, access, distribute, modify, or otherwise interact with the Software after a revised License is published, the Licensee agrees to be bound by the latest version of the License.

    The most current version of this License shall supersede all prior versions.
   
    You may review the latest revision of the license at [https://zeith.dev/license/zsfl](https://zeith.dev/license/zsfl)