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License & copyright

Use what's here. Credit where it came from. If it helps you build something that succeeds, share a little of the success — the same shape as Unreal Engine's license, at a smaller scale.

The Choose Neighbors Material License

You may read, share, adapt, translate, and build with the material on this site — the writing, designs, page code, and app examples — including commercially, on two conditions:

  1. Credit. Attribute "Michael van Diermen, chooseneighbors.com" with a link, wherever the material is used.
  2. Share success. If the product or project using this material passes US$1,000,000 in lifetime gross revenue (turnover), pay a 5% royalty on gross revenue above that threshold. Nothing is owed below the line, and crossing it never leaves you worse off. Get in touch to arrange it.

The ideas themselves are free. Nothing here restricts you from building a community where people choose their neighbours — that is the point of this site. This license covers reuse of the site's actual writing, designs, and code, not the ideas they describe.

Contributions — value may pay royalties

Contributions are welcome under this same license — the project is open at github.com/code-4you/chooseneighbors. If a contribution of real value becomes part of what others pay royalties for, or meaningfully builds the project, the contributor may share in those royalties — a fair share agreed case by case, in writing, before it's owed.

Copyright

© 2014–2026 Michael van Diermen / Choose Neighbors. All rights reserved except as licensed above. Research and third-party works linked from this site belong to their authors.

No warranty

Everything here is provided as-is, without warranty of any kind. It's a project by one person who has thought about this for thirty years — check anything important before you rely on it.

Plain-language version 1.0, August 2026. The threshold is per product or project (not per company), measured as lifetime gross revenue, like the Unreal model it borrows from. If real money approaches the line, talk to a lawyer — and to me.