# Legal and attribution notice

## Project status

Factorio Production Calculator is a free, unofficial fan-made calculator. It is not affiliated with, sponsored by or endorsed by Wube Software Ltd.

Public contact: `factoriocalculatorapp.com@gmail.com`

## Factorio name, data and imagery

Factorio and related game names, data and imagery are property of Wube Software Ltd. They are used with permission for this free calculator. The permission does not transfer ownership and is not a general license for unrelated products.

## Project source license

The calculator's original source code and documentation are available under `GPL-3.0-only`. This does not relicense third-party software, Factorio material or other content owned by their respective rightsholders.

## Third-party material

The bundled icon mirror is derived from the community `icons-factorio` project. Its code and metadata are distributed under GPL-3.0; extracted Factorio images remain owned by Wube Software as described by the upstream project. Runtime and development dependencies retain their own licenses.

See `LICENSE`, `THIRD_PARTY_NOTICES.md`, `THIRD_PARTY_LICENSES/` and `vendor/` in the public source package.

The hosting build adds the public operator from `release-operator.json` to the bilingual legal and privacy pages. This configuration is excluded from the source archive; set your own operator details when publishing a derivative website. The scope assessment for the symbolic Blueprint generator is in `LICENSE_REVIEW.md`.
