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 foundations@tails.net. Any exception to this rule is documented either below or in the affected source file.

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

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.