en	[[!meta title="License and source code distribution"]]

en	Tails is [Free Software](https://www.gnu.org/philosophy/free-sw.html): you can download, use, and share it with no restrictions.

en	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.

en	However, Tails, like Debian, includes closed source binary firmware in order to work on as much hardware as possible.

en	Tails is a registered trademark of The Tor Project, Inc. See our [Trademark and Brand policy](https://www.torproject.org/about/trademark/).

en	Source code

en	Most of the software included in Tails is taken directly from upstream Debian packages and is neither modified nor recompiled by Tails.

en	The source code of software that is specific to Tails is available in [[our Git repositories|contribute/git]].

en	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.

en	The [[!tails_gitweb config/chroot_local-includes/usr/share/tails/chroot-browsers/unsafe-browser/extensions/red-2.0-an+fx.xpi desc="red theme"]] used by Tails' _Unsafe Browser_ was downloaded from Mozilla add-ons website (<https://addons.mozilla.org/en-US/firefox/addon/simplyred/>):

en	license: Creative Commons Attribution 3.0

en	author: [Firefox user 14030863](https://addons.mozilla.org/en-US/firefox/user/14030863/)

en	Icons copied from [[!debpts gnome-icon-theme]]:

en	[[!tails_gitweb config/chroot_local-includes/usr/share/tails/persistent-storage/icons/tps-NetworkConnections.png]]

en	[[!tails_gitweb config/chroot_local-includes/usr/share/tails/persistent-storage/icons/tps-WelcomeScreen.png]]

en	license: GPL-2+

en	Copyright:

en	2002-2008 Andreas Nilsson <nisses.mail@home.se>

en	2002-2008 Hylke Bons <h.bons@student.rug.nl>

en	2002-2008 Jakub Steiner <jimmac@novell.com>

en	2002-2008 Josef Vybíral <cornelius@vybiral.info>

en	2002-2008 Lapo Calamandrei <calamandrei@gmail.com>

en	2002-2008 Luca Ferretti <elle.uca@libero.it>

en	2002-2008 Ricardo González <rick@jinlabs.com>

en	2002-2008 Riccardo Buzzotta <raozuzu@yahoo.it>

en	2002-2008 Rodney Dawes <dobey@novell.com>

en	2002-2008 Tuomas Kuosmanen <tigert@gimp.org>

en	2002-2008 Ulisse Perusin <uli.peru@gmail.com>

en	Website

en	This website uses the following fonts:

en	[Source Sans 3](https://fonts.google.com/specimen/Source+Sans+3/license), copyright 2010&ndash;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/).

en	[Source Code Pro](https://fonts.google.com/specimen/Source+Code+Pro/license) copyright 2010&ndash;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/).

en	This website uses several images with distinct copyright, licenses, trademarks and distribution terms:

en	The Tails logo is based on [[USB|http://thenounproject.com/term/usb/23873/]] by Ilsur Aptukov from the Noun Project.

en	Debian logo: Copyright (c) 1999 Software in the Public Interest.

en	[Forge](https://github.com/digitalbazaar/forge/), copyright Digital Bazaar, Inc.

en	The drawings on our [[Home|index]], [[About|about]], and [[Warnings|doc/about/warnings]] pages are licensed under the [Creative Commons Attribution-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-sa/4.0/), copyright [Andrés Fernández Cordón](https://anhdres.com/) ([[source|lib/drawings.zip]] for Adobe Illustrator).

en	All the [[drawings of our personas|contribute/personas]] are licensed under the [Creative Commons Attribution-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-sa/4.0/), copyright Thomas Verguet.

en	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).

en	Icons from [[The Noun Project|http://thenounproject.com/]]:

en	[[Announcement|http://thenounproject.com/term/announcement/1186/]]: Creative Commons - Attribution, by Olivier Guin.

en	[[Code|http://thenounproject.com/term/code/18033/]]: Creative Commons — Attribution, by Azis.

en	[[Pen|http://thenounproject.com/term/pen/18907/]]: Creative Commons — Attribution, by factor[e] design initiative.

en	[[Loan|http://thenounproject.com/term/loan/19538/]]: Public Domain, by Rohith M S.

en	[[User|http://thenounproject.com/term/user/419/]]: Creative Commons — Attribution, by Edward Boatman.

en	[[Translation|http://thenounproject.com/term/translation/5735/]]: Creative Commons — Attribution, by Joe Mortell.

en	[[Gears|http://thenounproject.com/term/gears/8949/]]: Creative Commons — Attribution, by Cris Dobbins.

en	[[Graphic Design|http://thenounproject.com/term/graphic_design/9198/]]: Creative Commons — Attribution, by Cornelius Danger.

en	[[Check Mark|https://thenounproject.com/term/check/4489/]]: Public Domain, by Julian Norton.

en	[[Delete|https://thenounproject.com/term/delete/49691/]]: Creative Commons — Attribution, by Kervin Markle.

en	[[Play|https://thenounproject.com/term/play/152052]]: Creative Commons — Attribution, by Zech Nelson.

en	[[Pause|https://thenounproject.com/term/pause/152046]]: Creative Commons — Attribution, by Zech Nelson.

en	[[USB|https://thenounproject.com/term/usb/28901]]: Creative Commons — Attribution, by Wilson Joseph.

en	[[Time|https://thenounproject.com/term/time/6732]]: Creative Commons — Attribution, by Richard de Vos.

en	[[Printer|https://thenounproject.com/term/printer/146674]]: Creative Commons — Attribution, by Diego Naive.

en	[[Smart Phones|https://thenounproject.com/term/smartphone/25790]]: Creative Commons — Attribution, by Pham Thi Dieu Linh.

en	[[Laptop|https://thenounproject.com/term/laptop/6729]]: Public Domain, by Jean Yashu.

en	[[Love|https://thenounproject.com/term/love/218846/]]: Creative Commons — Attribution, by Thomas Helbig.

en	[[Survey|https://thenounproject.com/term/survey/1296072]]: Creative Commons — Attribution, by unlimicon.

en	[[Info|https://thenounproject.com/term/info/808461]]: Creative Commons — Attribution, by icongeek.

en	[[Command Line|https://thenounproject.com/icon/command-line-39108]]: Public Domain, by Daniel Gamage.