add asset licensing notices

Adds ASSETS.md, NOTICE.md, per-directory READMEs, third-party license
texts, a CI check that notices don't rot, and README forking-guideline
updates. Carves commissioned artwork, the licensed icon system, and
Bluesky marks out of the blanket MIT license. See LEGMS-208.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Samuel Newman
2026-08-05 17:37:42 +03:00
parent 5db6b4e2fd
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The app icons in this directory are trademarks of Bluesky Social
PBC — the butterfly mark and its variants, as shipped to the iOS App Store and Google Play.
**These are not covered by the [MIT license](../../LICENSE) that applies to the rest of this
repository.** Use of Bluesky's marks is governed by our Trademark Policy and Brand Guidelines,
not by the license on our source code.
You may say that your app is a client for Bluesky, or that it is based on the Bluesky app. You
may not use our marks as the identity of your own product, or in any way likely to suggest that
Bluesky publishes, endorses, or supports it.
If you are forking this repository, replace these files with your own icons. Shipping an app that
looks like Bluesky is also a problem under the app stores' own rules on copycat apps, quite apart
from trademark.
See [`ASSETS.md`](../../ASSETS.md) for the full asset licensing picture.
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Copyright (c) 2016 The Inter Project Authors (https://github.com/rsms/inter)
This Font Software is licensed under the SIL Open Font License, Version 1.1.
This license is copied below, and is also available with a FAQ at:
http://scripts.sil.org/OFL
-----------------------------------------------------------
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------
PREAMBLE
The goals of the Open Font License (OFL) are to stimulate worldwide
development of collaborative font projects, to support the font creation
efforts of academic and linguistic communities, and to provide a free and
open framework in which fonts may be shared and improved in partnership
with others.
The OFL allows the licensed fonts to be used, studied, modified and
redistributed freely as long as they are not sold by themselves. The
fonts, including any derivative works, can be bundled, embedded,
redistributed and/or sold with any software provided that any reserved
names are not used by derivative works. The fonts and derivatives,
however, cannot be released under any other type of license. The
requirement for fonts to remain under this license does not apply
to any document created using the fonts or their derivatives.
DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this license and clearly marked as such. This may
include source files, build scripts and documentation.
"Reserved Font Name" refers to any names specified as such after the
copyright statement(s).
"Original Version" refers to the collection of Font Software components as
distributed by the Copyright Holder(s).
"Modified Version" refers to any derivative made by adding to, deleting,
or substituting -- in part or in whole -- any of the components of the
Original Version, by changing formats or by porting the Font Software to a
new environment.
"Author" refers to any designer, engineer, programmer, technical
writer or other person who contributed to the Font Software.
PERMISSION AND CONDITIONS
Permission is hereby granted, free of charge, to any person obtaining
a copy of the Font Software, to use, study, copy, merge, embed, modify,
redistribute, and sell modified and unmodified copies of the Font
Software, subject to the following conditions:
1) Neither the Font Software nor any of its individual components,
in Original or Modified Versions, may be sold by itself.
2) Original or Modified Versions of the Font Software may be bundled,
redistributed and/or sold with any software, provided that each copy
contains the above copyright notice and this license. These can be
included either as stand-alone text files, human-readable headers or
in the appropriate machine-readable metadata fields within text or
binary files as long as those fields can be easily viewed by the user.
3) No Modified Version of the Font Software may use the Reserved Font
Name(s) unless explicit written permission is granted by the corresponding
Copyright Holder. This restriction only applies to the primary font name as
presented to the users.
4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
Software shall not be used to promote, endorse or advertise any
Modified Version, except to acknowledge the contribution(s) of the
Copyright Holder(s) and the Author(s) or with their explicit written
permission.
5) The Font Software, modified or unmodified, in part or in whole,
must be distributed entirely under this license, and must not be
distributed under any other license. The requirement for fonts to
remain under this license does not apply to any document created
using the Font Software.
TERMINATION
This license becomes null and void if any of the above conditions are
not met.
DISCLAIMER
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
OTHER DEALINGS IN THE FONT SOFTWARE.
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[Inter](https://rsms.me/inter/) is a typeface by Rasmus
Andersson, licensed under the SIL Open Font License, Version 1.1.
The full license text is in [`OFL.txt`](./OFL.txt) and must travel with these files.
```
Copyright (c) 2016 The Inter Project Authors (https://github.com/rsms/inter)
```
**You may redistribute these files.** Nothing in [`ASSETS.md`](../../../ASSETS.md) restricts them
— they are here because the OFL requires the license text to accompany the font, not because they
are carved out of our [MIT license](../../../LICENSE).
**One thing to watch:** OFL 1.1 includes a Reserved Font Name provision. If you modify or subset
the font, you may not distribute the result under the name "Inter."
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The user-interface glyphs in this directory are from the
[Central icon system](https://iconists.co/central) by Iconists (David & Storm GbR). Bluesky
Social PBC licenses them for use in our own products. **That license is for our own use, and it
does not extend to you.**
**These icons are not covered by the [MIT license](../../LICENSE) that applies to the rest of
this repository.** If you want to use them, buy a license from
[iconists.co](https://iconists.co). There are also good openly licensed icon sets if you would
rather not.
This notice covers the SVG files at the top level of this directory. It does not cover:
- `flags/` — country-flag-icons, MIT licensed, see [`flags/README.md`](./flags/README.md)
- `community/` — third-party service marks, see [`community/README.md`](./community/README.md)
- `logomark.svg`, `newskie.svg`, `verifiedCheck.svg`, `verifierCheck.svg`, `starterPack.svg`,
`starter_pack_icon.svg` — Bluesky trademarks and brand assets
- `custom_logo_japan.svg` — artwork by a Bluesky Japan logo contest entrant
- `apple_logo.svg`, `android_logo.svg` — Apple and Google trademarks
Each of those is described in [`ASSETS.md`](../../ASSETS.md).
Adding an icon here? If it came from Central, this notice already covers it. If it came from
anywhere else, add it to `ASSETS.md` so the notice does not go stale.
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The icons in this directory are the marks of third-party
services that appear in the Bluesky app — [Leaflet](https://leaflet.pub),
[Offprint](https://offprint.net), pckt, and standard-site.
**These marks belong to their respective owners.** They are not Bluesky trademarks, they are not
covered by the [MIT license](../../../LICENSE) that applies to the rest of this repository, and we
are not in a position to grant or withhold permission to use them. We include them to identify
those services in our UI.
If you fork this repository and keep these icons, your use of them rests on your own
nominative-use basis or on permission from the mark owner.
See [`ASSETS.md`](../../../ASSETS.md) for the full asset licensing picture.
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The product imagery in this directory — onboarding illustrations,
chat backgrounds, feature announcement graphics, and similar — is **not covered by the
[MIT license](../../LICENSE)** that applies to the rest of this repository.
Some of it is commissioned artwork that we are not able to sublicense. Rather than have you work
out file by file which is which, treat the whole directory as not licensed for your use.
If you are forking this repository, replace these files or ship without them.
`germ_logo.webp` is the mark of [Germ Network](https://germnetwork.com), a third party. It is
theirs, not ours, and we can neither grant nor withhold permission to use it.
**Internal note:** this directory is carved out of the MIT license as a whole. If you are adding
an asset that we do want forks to be able to reuse, put it somewhere else rather than adding an
exception here — the carve-out only stays maintainable if the directory boundary means something.
See [`ASSETS.md`](../../ASSETS.md) for the full asset licensing picture.
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The load-screen illustration in this directory was commissioned by Bluesky Social PBC from
illustrator [Owen D. Pomery](https://owenpomery.com/work), through his agent
[Brilliant Artists Ltd](https://brilliantartists.co.uk/). Copyright in the artwork remains with
the artist.
**This artwork is not covered by the [MIT license](../../LICENSE) that applies to the rest of
this repository.** Our license is limited to Bluesky's own products and channels, it is exclusive
to us, and it does not permit us to sublicense the artwork or to distribute modified versions
of it.
If you are forking this repository, replace these files. Because our license is exclusive, the
artwork is not available for separate third-party licensing while that license runs — please do
not approach the artist or his agent for permission.
Adding a file here? It is carved out of the MIT license by directory, so a new file inherits
that treatment automatically. If the file is not commissioned artwork covered by this notice,
put it somewhere else.
See [`ASSETS.md`](../../ASSETS.md) for the full asset licensing picture.