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Polycentricity License

Software License

The Polycentricity software, including all original code and modifications to dependencies, is licensed under the MIT License.

MIT License

Copyright (c) 2025 Endogon

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

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 AUTHORS OR COPYRIGHT HOLDERS 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.

Conceptual Basis License

The concepts and ideas underlying Polycentricity are based on work by Michael Zargham, licensed under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0). To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

Attribution: The Polycentricity game is inspired by ideas from Michael Zargham, as documented at https://hackmd.io/o0XyDD6tRKawnIdpRQqrmw.

ShareAlike: Any derivative works of the Polycentricity concepts must be licensed under CC BY-SA 4.0 or a compatible license, and must include appropriate attribution to Michael Zargham.

Third-Party Dependencies

Polycentricity includes third-party dependencies, each licensed under their respective open-source licenses (e.g., MIT License). These licenses are included in the LICENSES directory or referenced in the NOTICE file within this repository. Key dependencies include:

  • SvelteKit (@sveltejs/kit): MIT License
  • Gun.js (gun): MIT License
  • D3.js (d3): MIT License
  • Skeleton Labs (@skeletonlabs/skeleton): MIT License
  • Others as listed in package.json

For full license texts and copyright notices of these dependencies, refer to the LICENSES directory or the respective project repositories.

Contributors

  • Casey Bjørn (@kcsf) - Lead Developer
  • Michael Zargham - Conceptual Design and Ideas

Additional contributors are listed in the CONTRIBUTORS.md file or the README.

Notes

  • The MIT License applies to the Polycentricity software codebase and does not affect the CC BY-SA 4.0 license for the underlying concepts.
  • To comply with CC BY-SA 4.0, any adaptations of the Polycentricity game concepts (e.g., rules, mechanics, or narrative elements derived from Michael Zargham's work) must be shared under CC BY-SA 4.0 with proper attribution.
  • For questions about licensing, contact bjorn@endogon.com.