[#2] Updated licensing.

The license is now changed. This project will be dual licensed under the
PolyForm Non-commercial license and a separate commercial license to be
determined later.

A new contributing section was added so that there will be no ambiguity
about how the license will be applied in that domain.
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2026-02-06 12:04:51 -05:00
parent d605f2a826
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# Apache License
Version 2.0, January 2004
<http://www.apache.org/licenses/>
# PolyForm Noncommercial License 1.0.0
## TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
<https://polyformproject.org/licenses/noncommercial/1.0.0>
### 1. Definitions.
## Acceptance
**"License"** shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
In order to get any license under these terms, you must agree
to them as both strict obligations and conditions to all
your licenses.
**"Licensor"** shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
## Copyright License
**"Legal Entity"** shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
The licensor grants you a copyright license for the
software to do everything you might do with the software
that would otherwise infringe the licensor's copyright
in it for any permitted purpose. However, you may
only distribute the software according to [Distribution
License](#distribution-license) and make changes or new works
based on the software according to [Changes and New Works
License](#changes-and-new-works-license).
**"You" (or "Your")** shall mean an individual or Legal Entity exercising
permissions granted by this License.
## Distribution License
**"Source" form** shall mean the preferred form for making modifications,
including but not limited to software source code, documentation source,
and configuration files.
The licensor grants you an additional copyright license
to distribute copies of the software. Your license
to distribute covers distributing the software with
changes and new works permitted by [Changes and New Works
License](#changes-and-new-works-license).
**"Object" form** shall mean any form resulting from mechanical
transformation or translation of a Source form, including but not
limited to compiled object code, generated documentation, and
conversions to other media types.
## Notices
**"Work"** shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
You must ensure that anyone who gets a copy of any part of
the software from you also gets a copy of these terms or the
URL for them above, as well as copies of any plain-text lines
beginning with `Required Notice:` that the licensor provided
with the software. For example:
**"Derivative Works"** shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
> Required Notice: Copyright Yoyodyne, Inc. (http://example.com)
**"Contribution"** shall mean any work of authorship, including the
original version of the Work and any modifications or additions to that
Work or Derivative Works thereof, that is intentionally submitted to
the Licensor for inclusion in the Work by the copyright owner or by an
individual or Legal Entity authorized to submit on behalf of the
copyright owner.
## Changes and New Works License
**"Contributor"** shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
The licensor grants you an additional copyright license to
make changes and new works based on the software for any
permitted purpose.
### 2. Grant of Copyright License.
## Patent License
Subject to the terms and conditions of this License, each Contributor
hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
royalty-free, irrevocable copyright license to reproduce, prepare
Derivative Works of, publicly display, publicly perform, sublicense,
and distribute the Work and such Derivative Works in Source or Object
form.
The licensor grants you a patent license for the software that
covers patent claims the licensor can license, or becomes able
to license, that you would infringe by using the software.
### 3. Grant of Patent License.
## Noncommercial Purposes
Subject to the terms and conditions of this License, each Contributor
hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
royalty-free, irrevocable (except as stated in this section) patent
license to make, have made, use, offer to sell, sell, import, and
otherwise transfer the Work, where such license applies only to those
patent claims licensable by such Contributor that are necessarily
infringed by their Contribution(s) alone or by combination of their
Contribution(s) with the Work to which such Contribution(s) was
submitted. If You institute patent litigation against any entity
(including a cross-claim or counterclaim in a lawsuit) alleging that
the Work or a Contribution incorporated within the Work constitutes
direct or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate as of
the date such litigation is filed.
Any noncommercial purpose is a permitted purpose.
### 4. Redistribution.
## Personal Uses
You may reproduce and distribute copies of the Work or Derivative Works
thereof in any medium, with or without modifications, and in Source or
Object form, provided that You meet the following conditions:
Personal use for research, experiment, and testing for
the benefit of public knowledge, personal study, private
entertainment, hobby projects, amateur pursuits, or religious
observance, without any anticipated commercial application,
is use for a permitted purpose.
1. You must give any other recipients of the Work or Derivative Works a
copy of this License; and
## Noncommercial Organizations
2. You must cause any modified files to carry prominent notices stating
that You changed the files; and
Use by any charitable organization, educational institution,
public research organization, public safety or health
organization, environmental protection organization,
or government institution is use for a permitted purpose
regardless of the source of funding or obligations resulting
from the funding.
3. You must retain, in the Source form of any Derivative Works that You
distribute, all copyright, patent, trademark, and attribution notices
from the Source form of the Work, excluding those notices that do not
pertain to any part of the Derivative Works; and
## Fair Use
4. If the Work includes a "NOTICE" text file as part of its distribution,
then any Derivative Works that You distribute must include a readable
copy of the attribution notices contained within such NOTICE file,
excluding those notices that do not pertain to any part of the
Derivative Works, in at least one of the following places: within a
NOTICE text file distributed as part of the Derivative Works; within
the Source form or documentation, if provided along with the Derivative
Works; or, within a display generated by the Derivative Works, if and
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License. You may add Your own attribution notices within Derivative
Works that You distribute, alongside or as an addendum to the NOTICE
text from the Work, provided that such additional attribution notices
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You may have "fair use" rights for the software under the
law. These terms do not limit them.
You may add Your own copyright statement to Your modifications and may
provide additional or different license terms and conditions for use,
reproduction, or distribution of Your modifications, or for any such
Derivative Works as a whole, provided Your use, reproduction, and
distribution of the Work otherwise complies with the conditions stated
in this License.
## No Other Rights
### 5. Submission of Contributions.
These terms do not allow you to sublicense or transfer any of
your licenses to anyone else, or prevent the licensor from
granting licenses to anyone else. These terms do not imply
any other licenses.
Unless You explicitly state otherwise, any Contribution intentionally
submitted for inclusion in the Work by You to the Licensor shall be
under the terms and conditions of this License, without any additional
terms or conditions. Notwithstanding the above, nothing herein shall
supersede or modify the terms of any separate license agreement you
may have executed with Licensor regarding such Contributions.
## Patent Defense
### 6. Trademarks.
If you make any written claim that the software infringes or
contributes to infringement of any patent, your patent license
for the software granted under these terms ends immediately. If
your company makes such a claim, your patent license ends
immediately for work on behalf of your company.
This License does not grant permission to use the trade names,
trademarks, service marks, or product names of the Licensor, except as
required for describing the origin of the Work and reproducing the
content of the NOTICE file.
## Violations
### 7. Disclaimer of Warranty.
The first time you are notified in writing that you have
violated any of these terms, or done anything with the software
not covered by your licenses, your licenses can nonetheless
continue if you come into full compliance with these terms,
and take practical steps to correct past violations, within
32 days of receiving notice. Otherwise, all your licenses
end immediately.
Unless required by applicable law or agreed to in writing, Licensor
provides the Work (and each Contributor provides its Contributions) on
an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
express or implied, including, without limitation, any warranties or
conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR
A PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
## No Liability
### 8. Limitation of Liability.
***As far as the law allows, the software comes as is, without
any warranty or condition, and the licensor will not be liable
to you for any damages arising out of these terms or the use
or nature of the software, under any kind of legal claim.***
In no event and under no legal theory, whether in tort (including
negligence), contract, or otherwise, unless required by applicable law
(such as deliberate and grossly negligent acts) or agreed to in writing,
shall any Contributor be liable to You for damages, including any direct,
indirect, special, incidental, or consequential damages of any character
arising as a result of this License or out of the use or inability to use
the Work (including but not limited to damages for loss of goodwill, work
stoppage, computer failure or malfunction, or any and all other commercial
damages or losses), even if such Contributor has been advised of the
possibility of such damages.
## Definitions
### 9. Accepting Warranty or Additional Liability.
The **licensor** is the individual or entity offering these
terms, and the **software** is the software the licensor makes
available under these terms.
While redistributing the Work or Derivative Works thereof, You may choose
to offer, and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this License.
However, in accepting such obligations, You may act only on Your own behalf
and on Your sole responsibility, not on behalf of any other Contributor,
and only if You agree to indemnify, defend, and hold each Contributor
harmless for any liability incurred by, or claims asserted against, such
Contributor by reason of your accepting any such warranty or additional
liability.
**You** refers to the individual or entity agreeing to these
terms.
**Your company** is any legal entity, sole proprietorship,
or other kind of organization that you work for, plus all
organizations that have control over, are under the control of,
or are under common control with that organization. **Control**
means ownership of substantially all the assets of an entity,
or the power to direct its management and policies by vote,
contract, or otherwise. Control can be direct or indirect.
**Your licenses** are all the licenses granted to you for the
software under these terms.
**Use** means anything you do with the software requiring one
of your licenses.