Tails é Software Livre: você pode baixar, usar e compartilhar sem restrições.

O código fonte do Tails é licenciado sob a GNU/GPL (versão 3 ou superior) e os Direitos Autorais (C) são de Tails developers tails@boum.org. Qualquer exceção a essa regra está documentada abaixo ou dentro do arquivo de código fonte afetado.

Apesar disso, o Tails inclui arquivos de firmware não livres para poder funcionar no maior número possível de hardwares.

Source code

A maior parte dos programas inclusos no Tails são tirados diretamente dos pacotes do Debian e não são nem modificados nem recompilados por nós.

• O código fonte dos programas que são específicos do Tails está disponível em nossos repositórios Git.

• Os códigos-fonte dos pacotes do Debian que são incluídos no Tails estão disponíveis em um snapshot APT criado por nós para aquela versão do 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

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

• 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.

• The drawings on our Home and About 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.

• 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.