Tails 是 自由软件: 你可以不受限制地下载、使用和分享。

The Tails source code is released under the GNU/GPL (version 3 or above) and is Copyright (C) Tails developers info@tails.net. Any exception to this rule is documented either below or in the affected source file.

然而，Tails 包含了非自由的固件，为了能在尽可能多的硬件上运行。

Source code

Tails 包含的软件大多数都是直接取自上游的 Debian 软件包，既没有被 Tails 修改也没被重编译。

• Tails 自己创作的源代码在这里可以看到：我们的 Git 仓库 。

• The source code of the Debian packages included in Tails is available in the APT snapshot that we created for that version of Tails.

• The red theme used by Tails' Unsafe Browser was downloaded from Mozilla add-ons website (https://addons.mozilla.org/en-US/firefox/addon/simplyred/):

  • license: Creative Commons Attribution 3.0
  • author: Firefox user 14030863

Website

本网站使用了几个带有不同版权、许可证、商标和分发协议的镜像，它们是：

• The Tails logo is based on USB by Ilsur Aptukov from the Noun Project.

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

• Onion logo: registered trademark of The Tor Project, Inc.; the Tails project is authorized to use it under certain conditions; licensed under Creative Commons Attribution 3.0 United States License.

• Forge, copyright Digital Bazaar, Inc.

• The drawings on our Home, About, and Warnings pages are licensed under the Creative Commons Attribution-ShareAlike 4.0 International License, copyright Andrés Fernández Cordón (source for Adobe Illustrator).

• All the drawings of our personas are licensed under the Creative Commons Attribution-ShareAlike 4.0 International License, copyright Thomas Verguet.

• The Boot Menu animation is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License, copyright Odile Carabantes and Enso Studio (source for Adobe Illustrator and Adobe Premiere).

• Icons from The Noun Project:

  • Announcement: Creative Commons - Attribution, by Olivier Guin.

  • Code: Creative Commons — Attribution, by Azis.

  • Pen: Creative Commons — Attribution, by factor[e] design initiative.

  • Loan: Public Domain, by Rohith M S.

  • User: Creative Commons — Attribution, by Edward Boatman.

  • Translation: Creative Commons — Attribution, by Joe Mortell.

  • Gears: Creative Commons — Attribution, by Cris Dobbins.

  • Graphic Design: Creative Commons — Attribution, by Cornelius Danger.

  • Check Mark: Public Domain, by Julian Norton.

  • Delete: Creative Commons — Attribution, by Kervin Markle.

  • Play: Creative Commons — Attribution, by Zech Nelson.

  • Pause: Creative Commons — Attribution, by Zech Nelson.

  • USB: Creative Commons — Attribution, by Wilson Joseph.

  • Time: Creative Commons — Attribution, by Richard de Vos.

  • Printer: Creative Commons — Attribution, by Diego Naive.

  • Smart Phones: Creative Commons — Attribution, by Pham Thi Dieu Linh.

  • Laptop: Public Domain, by Jean Yashu.

  • Love: Creative Commons — Attribution, by Thomas Helbig.

  • Survey: Creative Commons — Attribution, by unlimicon.

  • Info: Creative Commons — Attribution, by icongeek.

  • Command Line: Public Domain, by Daniel Gamage.