License of source code
----------------------

GNU Lesser General Public License, version 2.1
Copyright (C) 2011-2018 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2011-2018 Various Minetest developers and contributors

This program is free software; you can redistribute it and/or modify it under the terms
of the GNU Lesser General Public License as published by the Free Software Foundation;
either version 2.1 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details:
https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html


Licenses of media (textures, models and sounds)
-----------------------------------------------

Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
Copyright (C) 2010-2018:

  celeron55, Perttu Ahola <celeron55@gmail.com>
  Cisoun
  G4JC
  VanessaE
  RealBadAngel
  Calinou
  MirceaKitsune
  Jordach
  PilzAdam
  jojoa1997
  InfinityProject
  Splizard
  Zeg9
  paramat
  BlockMen
  sofar
  Neuromancer
  Gambit
  asl97
  KevDoy
  Mito551
  GreenXenith
  kaeza
  kilbith
  tobyplowy
  CloudyProton
  TumeniNodes
  Mossmanikin
  random-geek
  Extex101

You are free to:
Share — copy and redistribute the material in any medium or format.
Adapt — remix, transform, and build upon the material for any purpose, even commercially.
The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

Attribution — You must give appropriate credit, provide a link to the license, and
indicate if changes were made. You may do so in any reasonable manner, but not in any way
that suggests the licensor endorses you or your use.

ShareAlike — If you remix, transform, or build upon the material, you must distribute
your contributions under the same license as the original.

No additional restrictions — You may not apply legal terms or technological measures that
legally restrict others from doing anything the license permits.

Notices:

You do not have to comply with the license for elements of the material in the public
domain or where your use is permitted by an applicable exception or limitation.
No warranties are given. The license may not give you all of the permissions necessary
for your intended use. For example, other rights such as publicity, privacy, or moral
rights may limit how you use the material.

For more details:
http://creativecommons.org/licenses/by-sa/3.0/

-----------------------

Attribution 3.0 Unported (CC BY 3.0)

Copyright (C) 2009 cmusounddesign
Copyright (C) 2010 Tomlija
Copyright (C) 2010 lsprice
Copyright (C) 2014 sonictechtonic
Copyright (C) 2015 yadronoff
Copyright (C) 2007 HerbertBoland
Copyright (C) 2006 AGFX

You are free to:
Share — copy and redistribute the material in any medium or format.
Adapt — remix, transform, and build upon the material for any purpose, even commercially.
The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

Attribution — You must give appropriate credit, provide a link to the license, and
indicate if changes were made. You may do so in any reasonable manner, but not in any way
that suggests the licensor endorses you or your use.

No additional restrictions — You may not apply legal terms or technological measures that
legally restrict others from doing anything the license permits.

Notices:

You do not have to comply with the license for elements of the material in the public
domain or where your use is permitted by an applicable exception or limitation.
No warranties are given. The license may not give you all of the permissions necessary
for your intended use. For example, other rights such as publicity, privacy, or moral
rights may limit how you use the material.

For more details:
http://creativecommons.org/licenses/by/3.0/

-----------------------

CC0 1.0 Universal (CC0 1.0) Public Domain Dedication

Iwan Gabovitch
Ottomaani138
Ogrebane
blukotek
Sevin7
Yoyodaman234
Ryding

No Copyright

The person who associated a work with this deed has dedicated the work to the
public domain by waiving all of his or her rights to the work worldwide under
copyright law, including all related and neighboring rights, to the extent
allowed by law.

You can copy, modify, distribute and perform the work, even for commercial
purposes, all without asking permission. See Other Information below.

Other Information:

In no way are the patent or trademark rights of any person affected by CC0, nor
are the rights that other persons may have in the work or in how the work is
used, such as publicity or privacy rights.

Unless expressly stated otherwise, the person who associated a work with this
deed makes no warranties about the work, and disclaims liability for all uses
of the work, to the fullest extent permitted by applicable law.

When using or citing the work, you should not imply endorsement by the author
or the affirmer.

For more details:
https://creativecommons.org/publicdomain/zero/1.0/
