LICENSE.txt

Redmine - project management software
Copyright (C) Jean-Philippe Lang

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.

For the full text of the license, please see the `COPYING` file
located in the `doc` directory.

You can also find the full text of the GPL version 2 at the Free
Software Foundation's website at

https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html

or by writing to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.