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AxonOps Contributor License Agreement

This is the Contributor License Agreement ("CLA") for the open-source projects operated by AxonOps Limited on GitHub, including github.com/axonops/syncmap and any other repository under the axonops GitHub organisation that references this document.

Plain-English summary

You keep the copyright to everything you contribute. By signing this CLA once, you grant AxonOps permission to include your contributions in any AxonOps open-source project and to relicense them in future versions of that project, under the project's stated licence (Apache Licence 2.0 for syncmap). You also confirm that the work is yours to contribute — that it is your own, that your employer does not have a conflicting claim, and that it does not knowingly include anyone else's proprietary code.

You only sign this CLA once per GitHub account. The signature covers every AxonOps project forever, past and future.

Signing this CLA does NOT change your rights to use, modify, or redistribute your own contributions however you wish.

If anything in the full text below is unclear, please open a discussion on the repository before signing. We are happy to explain.

1. Definitions

  • "You" (or "Your") means the copyright owner or the legal entity authorised by the copyright owner that is making this Agreement with AxonOps Limited ("AxonOps").

  • "Contribution" means any original work of authorship, including any modifications or additions to an existing work, that is intentionally submitted by You to AxonOps for inclusion in, or documentation of, any of the open-source projects operated by AxonOps (each a "Project").

  • "Submitted" means any form of electronic, verbal, or written communication sent to AxonOps or its representatives, including but not limited to communication on pull requests, issues, discussions, and email, that is intentionally submitted by You for inclusion in a Project.

2. Grant of copyright licence

Subject to the terms and conditions of this Agreement, You hereby grant to AxonOps Limited and to recipients of software distributed by AxonOps a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright licence to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Your Contributions and such derivative works.

3. Grant of patent licence

Subject to the terms and conditions of this Agreement, You hereby grant to AxonOps Limited and to recipients of software distributed by AxonOps a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent licence to make, have made, use, offer to sell, sell, import, and otherwise transfer the Project, where such licence applies only to those patent claims licensable by You that are necessarily infringed by Your Contribution(s) alone or by combination of Your Contribution(s) with the Project to which such Contribution(s) was submitted. If any entity institutes patent litigation against You or any other entity (including a cross-claim or counterclaim in a lawsuit) alleging that your Contribution, or the Project to which you have contributed, constitutes direct or contributory patent infringement, then any patent licences granted to that entity under this Agreement for that Contribution or Project shall terminate as of the date such litigation is filed.

4. Representations

4.1. You represent that You are legally entitled to grant the above licences. If Your employer(s) has rights to intellectual property that You create that includes Your Contributions, You represent that You have received permission to make Contributions on behalf of that employer, that Your employer has waived such rights for Your Contributions to AxonOps, or that Your employer has executed a separate Corporate CLA with AxonOps.

4.2. You represent that each of Your Contributions is Your original creation (see Section 5 for submissions on behalf of others).

4.3. You represent that Your Contribution submissions include complete details of any third-party licence or other restriction (including, but not limited to, related patents and trademarks) of which You are personally aware and which are associated with any part of Your Contributions.

5. Third-party content

Should You wish to submit work that is not Your original creation, You may submit it to AxonOps separately from any Contribution, identifying the complete details of its source and of any licence or other restriction (including, but not limited to, related patents, trademarks, and licence agreements) of which You are personally aware, and conspicuously marking the work as "Submitted on behalf of a third-party: [named here]".

6. Support

You are not expected to provide support for Your Contributions, except to the extent You desire to provide support. You may provide support for free, for a fee, or not at all. Unless required by applicable law or agreed to in writing, You provide Your 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.

7. Notification

You agree to notify AxonOps of any facts or circumstances of which You become aware that would make these representations inaccurate in any respect.

8. No modification of Your rights

Nothing in this Agreement restricts Your right to use, modify, or redistribute Your own Contributions under any terms. AxonOps does not acquire ownership of Your contributions — only the licences granted above.

9. Scope

This Agreement applies to all open-source projects operated by AxonOps Limited under the axonops GitHub organisation. Signing it once covers all past and future Contributions to any such project.

How to sign

Signing is done automatically by our CLA Assistant bot the first time you open a pull request against any AxonOps open-source repository.

  1. Open your first pull request.

  2. The bot will comment asking you to sign.

  3. Reply to the pull request with exactly:

    I have read the CLA Document and I hereby sign the CLA

  4. Your signature is recorded in signatures/version1/cla.json with your GitHub username, the pull request reference, and a timestamp.

  5. The human-readable list of everyone who has signed lives at CONTRIBUTORS.md and is regenerated automatically each time the signatures file changes.

If you prefer to sign outside GitHub (for example, as an organisation signing on behalf of employees), please email oss@axonops.com and we will work with you to put a Corporate CLA in place.

This Agreement is adapted from the Apache Software Foundation Individual Contributor License Agreement v2.2.