mame/docs/source/license.rst

The MAME License
================


The MAME project as a whole is distributed under the terms of the `GNU General Public License, version 2 or later <http://opensource.org/licenses/GPL-2.0>`_ (GPL-2.0+), since it contains code made available under multiple GPL-compatible licenses. A great majority of files (over 90% including core files) are under the `BSD-3-Clause License <http://opensource.org/licenses/BSD-3-Clause>`_ and we would encourage new contributors to distribute files under this license.

Please note that MAME is a registered trademark of Nicola Salmoria, and permission is required to use the "MAME" name, logo, or wordmark.

    Copyright (C) 1997-2017  MAMEDev and contributors

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

Please see `LICENSE.md <https://github.com/mamedev/mame/blob/master/LICENSE.md>`_ for further details.