.. DOCUMENTATION BUILT FROM RELEASE: 2.0.0-244-gaaf5e2b .. : HORTON: Helpful Open-source Research TOol for N-fermion systems. : Copyright (C) 2011-2016 The HORTON Development Team : : This file is part of HORTON. : : HORTON is free software; you can redistribute it and/or : modify it under the terms of the GNU General Public License : as published by the Free Software Foundation; either version 3 : of the License, or (at your option) any later version. : : HORTON 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 General Public License for more details. : : You should have received a copy of the GNU General Public License : along with this program; if not, see : : -- .. _license_information: License Information ################### HORTON is distributed under the conditions of the `GPL License version 3 `_ (GPLv3). The HORTON Logo, designed by Wim Dewitte, is licensed under a `Creative Commons Attribution-ShareAlike 4.0 International License `_. Amongst other things, this has the following practical implications: - You are free to use HORTON for any purpose. However, HORTON, or any derived program, can only be (re)distributed under the same license conditions. - Once you share a modified version of HORTON with someone, there is no legal way to stop your modified version from being distributed further. If you want to keep a new feature under the radar until it is published in a scientic journal, then only share it with people you absolutely trust. - Whenever copyrights are attributed to the *HORTON Development Team*, this means that each author remains copyright owner of his contributions. By sharing their contribution, they agree to do so under the conditions of the GPL License version 3. Contribtions are always defined as the changes made in each commit in a revision control system (currently Git). The complete GPLv3 license text is given below: .. literalinclude:: ../COPYING