NarRaters Research and Non-Commercial License

Copyright (c) 2026 Xian Li ("Licensor"). All rights reserved.

This license governs the narRaters software and accompanying documentation
(collectively, the "Software"). The Software was developed to support research
and scientific work, not for commercial or for-profit exploitation.

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1. PERMITTED FREE USE (NO SEPARATE AGREEMENT REQUIRED)

Subject to section 4, Licensor grants you a non-exclusive, worldwide,
royalty-free license to use, copy, modify, merge, and distribute the Software,
including to prepare derivative works based on the Software, solely for:

  (a) Non-commercial academic, scientific, or scholarly research;

  (b) Teaching, learning, or evaluation in a non-profit educational
      institution or public research organization;

  (c) Personal, non-profit, or hobby use that is not intended to generate
      revenue or commercial advantage for you or any third party; and

  (d) Use by registered charities, non-profit organizations, or government
      entities acting in a non-commercial capacity,

provided that you retain the copyright notice in section 4 and do not remove
or alter any required notices in the Software.

Uses under this section are referred to as "Permitted Non-Commercial Use."

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2. COMMERCIAL AND FOR-PROFIT USE REQUIRES WRITTEN PERMISSION

Any use of the Software that is not Permitted Non-Commercial Use is not
licensed here. Without limitation, the following require prior written
permission from Licensor (a "Commercial License") before you may use, copy,
modify, distribute, or offer services based on the Software:

  (a) Use in connection with a business, consultancy, or other for-profit
      activity;

  (b) Use on behalf of a for-profit company or other commercial entity;

  (c) Hosting, SaaS, or providing the Software (or substantial functionality
      derived from it) to paying customers or for advertising or data-monetization
      revenue; or

  (d) Any other use primarily intended for commercial advantage or private
      monetary compensation.

To request a Commercial License, contact Licensor at the email address listed
in the project README or repository metadata. Commercial License terms may
include fees, royalties, revenue sharing, or other reasonable compensation
reflecting the commercial value derived from the Software and Licensor's
rights—consistent with the fact that the Software was offered without charge
for research and non-profit purposes.

Nothing in this license grants any right to use the Software for commercial or
for-profit purposes without a separate written Commercial License from Licensor.

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3. RESERVATION OF RIGHTS; UNAUTHORIZED COMMERCIAL USE

Except for the express rights in section 1, no license is granted under
copyright, patent, or other intellectual property law. Licensor reserves all
rights not expressly granted.

If you use the Software outside Permitted Non-Commercial Use without a valid
Commercial License, your use is not authorized. Licensor may pursue all remedies
available at law or in equity, which may include injunctive relief and damages
or other monetary recovery to the extent permitted by applicable law, including
reasonable compensation reflecting unauthorized commercial benefit.

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4. NOTICES

You must retain the above copyright notice and this license text in all copies
or substantial portions of the Software. You must not misrepresent the origin
of the Software.

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5. DISCLAIMER OF WARRANTY; LIMITATION OF LIABILITY

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 LICENSOR 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, EXCEPT TO THE EXTENT LIABILITY CANNOT BE EXCLUDED OR LIMITED UNDER
APPLICABLE LAW.

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6. GENERAL

If any provision of this license is held unenforceable, the remaining
provisions remain in effect. This license is governed by the laws applicable at
Licensor's principal place of business, without regard to conflict-of-law
rules, except where preempted by the laws of your jurisdiction regarding
consumer or mandatory rights.

For licensing questions, contact: xianl.cogneuro@gmail.com
