License

Grace and this website are released under the Apache License, Version 2.0.

Summary

• You may use, copy, modify, and distribute the software for any purpose, including commercially.
• You must include the LICENSE and NOTICE files with any redistribution and indicate any changes you have made to the original.
• The software is provided "as is", without warranty of any kind.

NOTICE

Grace
Copyright 2026 Grace Contributors

This product includes software developed by the Grace project
(https://grace-b2u.org).  When redistributing this software, please
preserve this NOTICE file and the accompanying LICENSE file.

A small attribution in derivative works (an "About" mention, a footer
credit, a release-notes line) is appreciated, though not legally
required beyond the Apache-2.0 §4 obligations.

Third-party components

The application bundles a number of third-party libraries and data sources, every one of which carries an OSI-approved, royalty-free license. The full list ships in the THIRD_PARTY_LICENSES file inside each release artifact.