Short version for non-laywers:
  The vim-mundo project is licensed under GPLv2 terms or any later version.

Longer version:
  vim-mundo
  Copyright (C) 2013-2017  Dane Summers
  Copyright (C) 2014-2017  Hyeon Kim

  This program 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 2 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 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 <http://www.gnu.org/licenses/>.


The vim-mundo project includes packages written by third parties. The
following third party packages are included, and carry their own copyright
notices and license terms:

* This project is forked from gundo.vim <https://bitbucket.org/sjl/gundo.vim>
  which is licensed under GPLv2 or any later version.

* The initial version of graphing codes was all taken from
  Mercurial <https://www.mercurial-scm.org/> which is licensed under GPLv2 or
  any later version.