---
title: "License and attribution"
description: "Tanrei's license and the work it builds on."
url: "https://tanrei.chnotchy.com/project/license/"
last_updated: 2026-10-11T13:58:00.000Z
---

# License and attribution

> Tanrei's license and the work it builds on.

## License

Tanrei is licensed under the **Apache-2.0** license. You may use it in commercial and non-commercial products, modify it and redistribute it under the terms of that license. The full text is in the repository’s `LICENSE` file, and required notices are in `NOTICE`.

## Third-party work

| Work | Use in Tanrei | License |
| --- | --- | --- |
| material-color-utilities | Build-time generation of tonal palettes and color schemes in the HCT color space | Apache-2.0 |
| Inter | Default typeface for Latin text, named by the typescale | SIL Open Font License 1.1 |
| Noto Sans JP, Noto Sans | Default typefaces for Japanese and for other scripts | SIL Open Font License 1.1 |
| Roboto Mono | Default monospace typeface | Apache-2.0 |
| Material Symbols (Rounded) | Default icon font, named by `ref.typeface.icon` | Apache-2.0 |
| Material Symbols vector drawables | Source of the list of glyph names that are mirrored in a right-to-left layout (`tokens/icon-sets/`, names only) | Apache-2.0 |
| material-web and androidx.compose.material3 tokens | Reference values the `m3-like` and `m3-expressive-like` presets are measured against (`tokens/fidelity/`, values only) | Apache-2.0 |
| Lit | Base library for the Web Components | BSD-3-Clause |
| Astro and Starlight | This documentation site | MIT |

## Trademarks

Names of other products and companies belong to their owners and are used only to say what a preset resembles or what a library is compatible with. Tanrei is independent and is not affiliated with, endorsed by, or sponsored by any of them.

Material Design is a trademark of Google LLC. Apple, iOS and Apple Human Interface Guidelines are trademarks of Apple Inc. They name what the `m3-like`, `m3-expressive-like` and `cupertino` presets approximate; Tanrei does not claim to follow them, and includes none of their logos, and none of Apple’s typefaces or symbols.