The Tails source code is released under the GNU/GPL (version 3 or above) and is Copyright (C) Tails developers <foundations@tails.net>.Any exception to this rule is documented either below or in the affected source file.
The source code of the Debian packages included in Tails is available in the [APT snapshot](https://tagged.snapshots.deb.tails.boum.org/)that we created for that version of Tails.
[Source Sans 3](https://fonts.google.com/specimen/Source+Sans+3/license), copyright 2010–2020 [Adobe Systems Incorporated](http://www.adobe.com/), licensed under the [SIL Open Font License, Version 1.1](https://openfontlicense.org/open-font-license-official-text/).
[Source Code Pro](https://fonts.google.com/specimen/Source+Code+Pro/license)copyright 2010–2020 [Adobe Systems Incorporated](http://www.adobe.com/), licensed under the [SIL Open Font License, Version 1.1](https://openfontlicense.org/open-font-license-official-text/).
The [[Boot Menu animation|doc/first_steps/start/pc#animation]] is licensed under the [Creative Commons Attribution-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-sa/4.0/), copyright [Odile Carabantes](https://studiomoare.com/) and Enso Studio ([source](https://gitlab.tails.boum.org/tails/ux/-/raw/master/boot%20menu%20key/animation.rar)for Adobe Illustrator and Adobe Premiere).