MediaWiki

What is MediaWiki?
MediaWiki is a free open-source website tool created by Wikimedia-Foundation, USA.

Originally it was designed to create Wikipedia, the free encyclopedia.

Today it is a free homepage tool used in many websites and almost every wiki.

MediaWiki-License
MediaWiki, copyright (C) 2001-2008 Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström, Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz and others.

MediaWiki 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.

''MediaWiki 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 or read it online. ''

Helpful links

 * MediaWiki's homepage
 * Wikimedia's homepage