Licensing: MIT OR Apache-2.0 files, NOTICE, ArtCraft brand terms

Add LICENSE-MIT and LICENSE-APACHE (Copyright (c) 2026 ArtCraft Team and the
LightCraft contributors) and docs/brand/LICENSE-brand.txt from the Crafting Apps
licensing standard. Rewrite NOTICE to the standard template and drop the stale
Source Sans 3 entry (only Inter is bundled). Attribute docs/brand/ in
assets/ATTRIBUTION.md so `cargo xtask assets` passes again. README gets the
standard "License and credits" section; AGENTS.md/CLAUDE.md note the brand
exception to the asset rule.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
This commit is contained in:
Brandon ThomasandClaude Opus 5.5 committed 2026-10-04 10:05:02 -04:00
1 parent e3b61fc883
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- **This includes Adobe's open-licensed assets**: no Source Sans/Serif/Code or Source Han fonts, no Adobe Fonts, no
Adobe-published icon sets, sample photos, colour profiles or LUTs — even when OFL/MIT. The UI font is Inter (OFL).
- Every asset in the repository must be one of: **our own original work** (e.g. icons drawn in code as vectors, procedurally generated demo photos), **public domain / CC0**, **Creative Commons** (CC-BY / CC-BY-SA with attribution honoured), **OFL** (fonts), or **permissive open-source** (MIT/Apache-2.0/BSD/ISC) — or contributed by a person who created the asset and licenses it openly.
- **Exception: `docs/brand/`.** The ArtCraft name, wordmark and logos there are ArtCraft Team trademarks, not open source and not covered by LightCraft's MIT OR Apache-2.0 licence (`LICENSE-MIT`, `LICENSE-APACHE`, `NOTICE`); their terms are in `docs/brand/LICENSE-brand.txt`. Use them only unmodified and never redraw, recolour or derive from them.
- **Every asset must have an entry in `assets/ATTRIBUTION.md`** (path, title, author/creator, source URL or "original work", licence, date added, modifications) and its licence text when required (e.g. `assets/fonts/OFL-*.txt`). Add the entry in the same commit as the asset. Assets without an attribution entry must not be committed.
- Icons drawn in code (e.g. `crates/ui-egui/src/icons.rs`) are original work and are recorded in `assets/ATTRIBUTION.md` as such; do not trace them from Adobe icons.
- Demo/test images: generated procedurally by `lightcraft-scenes`, or CC0 downloads kept in the gitignored `corpus/` with their source recorded. Screenshots of Adobe apps live only in the gitignored `plan/` and are never committed or published.
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- **This includes Adobe's open-licensed assets**: no Source Sans/Serif/Code or Source Han fonts, no Adobe Fonts, no
Adobe-published icon sets, sample photos, colour profiles or LUTs — even when OFL/MIT. The UI font is Inter (OFL).
- Every asset in the repository must be one of: **our own original work** (e.g. icons drawn in code as vectors, procedurally generated demo photos), **public domain / CC0**, **Creative Commons** (CC-BY / CC-BY-SA with attribution honoured), **OFL** (fonts), or **permissive open-source** (MIT/Apache-2.0/BSD/ISC) — or contributed by a person who created the asset and licenses it openly.
- **Exception: `docs/brand/`.** The ArtCraft name, wordmark and logos there are ArtCraft Team trademarks, not open source and not covered by LightCraft's MIT OR Apache-2.0 licence (`LICENSE-MIT`, `LICENSE-APACHE`, `NOTICE`); their terms are in `docs/brand/LICENSE-brand.txt`. Use them only unmodified and never redraw, recolour or derive from them.
- **Every asset must have an entry in `assets/ATTRIBUTION.md`** (path, title, author/creator, source URL or "original work", licence, date added, modifications) and its licence text when required (e.g. `assets/fonts/OFL-*.txt`). Add the entry in the same commit as the asset. Assets without an attribution entry must not be committed.
- Icons drawn in code (e.g. `crates/ui-egui/src/icons.rs`) are original work and are recorded in `assets/ATTRIBUTION.md` as such; do not trace them from Adobe icons.
- Demo/test images: generated procedurally by `lightcraft-scenes`, or CC0 downloads kept in the gitignored `corpus/` with their source recorded. Screenshots of Adobe apps live only in the gitignored `plan/` and are never committed or published.
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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MIT License
Copyright (c) 2026 ArtCraft Team and the LightCraft contributors
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.
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LightCraft
Copyright the LightCraft contributors. Licensed under MIT OR Apache-2.0.
Copyright (c) 2026 ArtCraft Team and the LightCraft contributors.
Licensed under the MIT License or the Apache License, Version 2.0, at your option
(LICENSE-MIT, LICENSE-APACHE).
This product bundles third-party material under the following licences:
The ArtCraft name, wordmark and logos in docs/brand/ are trademarks of the ArtCraft Team. They are
not open source and are not covered by the license above; their terms are in
docs/brand/LICENSE-brand.txt.
- Source Sans 3 (assets/fonts/SourceSans3-*) — SIL Open Font License 1.1. See assets/fonts/OFL-SourceSans3.txt.
- Inter (assets/fonts/Inter-*.ttf) — SIL Open Font License 1.1. See assets/fonts/OFL-Inter.txt.
Third-party material
Every bundled asset (fonts, icons, images) and its licence is listed in assets/ATTRIBUTION.md.
This product bundles third-party material under its own licenses, listed below. The per-file
list (author, source, license) is in assets/ATTRIBUTION.md.
Algorithms are implemented from public specifications and papers (see crate READMEs). Rust dependencies
(egui, eframe, image, rayon, serde, …) are permissively licensed (MIT/Apache-2.0/BSD/ISC/Zlib) and fetched through crates.io.
Inter (assets/fonts/Inter-*.ttf) — SIL Open Font License 1.1. See assets/fonts/OFL-Inter.txt.
Showcase photographs by Ansel Adams, Dorothea Lange and NASA (docs/images/) — public domain. See assets/ATTRIBUTION.md.
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@@ -396,12 +396,21 @@ And [**ArtCraft**](https://getartcraft.com/) itself, our AI image and video stud
## License and credits
LightCraft is licensed under **MIT OR Apache-2.0**.
LightCraft is dual-licensed under [MIT](LICENSE-MIT) or [Apache-2.0](LICENSE-APACHE), at your option.
Copyright (c) 2026 ArtCraft Team and the LightCraft contributors. Required notices are in [NOTICE](NOTICE).
Bundled fonts, icons, images and other assets keep their own open licenses; each one is listed
with its author, source and license in [assets/ATTRIBUTION.md](assets/ATTRIBUTION.md).
Showcase photographs are public-domain works, used via Wikimedia Commons: Ansel Adams, *The Tetons and the Snake River*
(1942, U.S. National Archives); Dorothea Lange, *Migrant Mother* (1936, Library of Congress); Bill Anders / NASA,
*Earthrise* (1968); NASA, *The Blue Marble* (1972). The demo library is procedurally generated by LightCraft. UI font:
Inter (SIL OFL). All icons are original. See [assets/ATTRIBUTION.md](assets/ATTRIBUTION.md).
Inter (SIL OFL 1.1). All icons are original.
The ArtCraft name, wordmark and logos in [`docs/brand/`](docs/brand/) are trademarks of the
ArtCraft Team and are not covered by this license. They may be used only unmodified, and only as
part of this repository and LightCraft, under [`docs/brand/LICENSE-brand.txt`](docs/brand/LICENSE-brand.txt).
Forks and modified versions must remove them.
<sub>Adobe, Photoshop, Illustrator, Premiere Pro, Lightroom, Acrobat, After Effects and InDesign are trademarks or registered trademarks of Adobe Inc. in the United States and/or other countries. LightCraft is an independent, open-source project and is not affiliated with, sponsored by or endorsed by Adobe Inc.; these names are used only to describe the workflows it is compatible with.</sub>
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| `docs/images/*-earthrise.jpg`, `docs/images/grid-pd.jpg` | "Earthrise" (AS08-14-2383) | NASA / Bill Anders, Apollo 8 (1968) | https://commons.wikimedia.org/wiki/File:NASA-Apollo8-Dec24-Earthrise.jpg | Public domain (NASA) | 2026-09-30 | developed in LightCraft; shown inside app screenshots |
| `docs/images/*-blue-marble.jpg`, `docs/images/grid-pd.jpg` | "The Blue Marble" (AS17-148-22727) | NASA, Apollo 17 crew (1972) | https://commons.wikimedia.org/wiki/File:The_Earth_seen_from_Apollo_17.jpg | Public domain (NASA) | 2026-09-30 | developed in LightCraft; shown inside app screenshots |
| `docs/images/*.jpg` (UI) | LightCraft application screenshots | LightCraft contributors | original work (captured with `docs/showcase/`) | MIT OR Apache-2.0 | 2026-09-30 | n/a |
| `docs/brand/` (artcraft-logo and artcraft-mark, SVG and PNG) | ArtCraft wordmark and mark | ArtCraft Team | original work (https://getartcraft.com/) | ArtCraft trademark, see `docs/brand/LICENSE-brand.txt` (not open source) | 2026-10-01 | none |
Notes
- Fonts authored or published by Adobe (Source Sans/Serif/Code, Source Han, …) are not used, even though some are
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ArtCraft brand assets: license
The ArtCraft name, wordmark and mark (the "ArtCraft Marks"), including every file in this
directory in every color, size and format, are owned by the ArtCraft Team. They are trademarks
and are NOT open source. They are not covered by LightCraft's MIT OR Apache-2.0 license, and nothing in
that license, in NOTICE or in any other file of this repository grants any right to them.
Permission
The ArtCraft Team grants a limited, non-exclusive, non-transferable, revocable, royalty-free
permission to use the ArtCraft Marks only:
1. as part of copies of this repository; and
2. within LightCraft itself, its documentation and its official builds, to identify LightCraft as made
by the ArtCraft team and community and to link to getartcraft.com and its community.
Conditions
The permission holds only while every one of these is true:
- The marks are used exactly as supplied in this directory. Do not redraw, recolor, crop,
stretch, rotate, animate, outline or add effects to them, extract parts of them, or combine
them with any other name, mark or artwork.
- They are used only in the context of LightCraft, and only to say that the ArtCraft team makes it.
They must never suggest that the ArtCraft Team made, sponsors, endorses, certifies or supports
any other product, service, fork, modified version, plug-in, organization or person.
- Neither the marks nor the ArtCraft name appear in the name, logo, icon, domain, social media
handle, app-store listing, advertising or marketing of anything other than LightCraft.
Forks and modified versions
If you distribute or publish a modified version of LightCraft, or any work derived from it, you must
remove the ArtCraft Marks from it (or replace them with your own) and must not call it ArtCraft or
present it as an ArtCraft product. You may say, in plain text, that your work is based on LightCraft by
the ArtCraft team. A fork kept only to propose changes back to this repository may keep the marks
unchanged.
Everything else
Any use not expressly permitted here needs prior written permission from the ArtCraft Team
(https://getartcraft.com/). The permission ends automatically for anyone who breaks these terms.
All other rights are reserved.