The code comprising the EncFS library (libencfs) is licensed under the LGPL.
The main programs (encfs, encfsctl, etc) are licensed under the GPL.

For details of the licenses, see COPYING.LGPL and COPYING.GPL.

===========================================================================

The following 3rd party libraries are included in the EncFS source release
from github:

* easylogging++ : a logging library, which is supplied with the following license

  The MIT License (MIT)

  Copyright (c) 2015 muflihun.com

  https://github.com/easylogging/easyloggingpp
  http://easylogging.muflihun.com
  http://muflihun.com

  Permission is hereby granted, free of charge, to any person obtaining a copy of
  this software and associated documentation files (the "Software"), to deal in
  the Software without restriction, including without limitation the rights to
  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  the Software, and to permit persons to whom the Software is furnished to do so,
  subject to the following conditions:

  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


* tinyxml2 : an XML reader / writer, which is supplied with the following license:

  TinyXML-2 is released under the zlib license:

  This software is provided 'as-is', without any express or implied
  warranty. In no event will the authors be held liable for any
  damages arising from the use of this software.

  Permission is granted to anyone to use this software for any
  purpose, including commercial applications, and to alter it and
  redistribute it freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must
  not claim that you wrote the original software. If you use this
  software in a product, an acknowledgment in the product documentation
  would be appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and
  must not be misrepresented as being the original software.
  3. This notice may not be removed or altered from any source
  distribution.