License and source code distribution

Tails is Free Software: you can download, use, and share it with no restrictions.

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.

Tails is a registered trademark of The Tor Project, Inc. See our Trademark and Brand policy.

Source code

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

  • The source code of software that is specific to Tails is available in our Git repositories.

  • 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/):

  • Icons copied from gnome-icon-theme:

  • Forge JS library

    • license:
      New BSD License (3-clause)
          New BSD License (3-clause)
          Copyright (c) 2010, Digital Bazaar, Inc.
          All rights reserved.
          Redistribution and use in source and binary forms, with or without
          modification, are permitted provided that the following conditions are met:
      
      
          * Redistributions of source code must retain the above copyright
            notice, this list of conditions and the following disclaimer.
          * Redistributions in binary form must reproduce the above copyright
            notice, this list of conditions and the following disclaimer in the
            documentation and/or other materials provided with the distribution.
          * Neither the name of Digital Bazaar, Inc. nor the
            names of its contributors may be used to endorse or promote products
            derived from this software without specific prior written permission.
      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
      ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
      WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
      DISCLAIMED. IN NO EVENT SHALL DIGITAL BAZAAR BE LIABLE FOR ANY
      DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
      (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
      LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
      ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
      SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      

    • Copyright:
      • 2010 - present: Digital Bazaar, Inc.

Website

This website uses the following fonts:

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