Elgg 
Copyright (c) 2008-2013, see COPYRIGHT.txt
For development credits, see CONTRIBUTORS.txt.
Elgg is managed by the Elgg Foundation, a nonprofit organization that was founded to govern, protect, and promote the Elgg open source social network engine. The Foundation aims to provide a stable, commercially and individually independent organization that operates in the best interest of Elgg as an open source project.
The project site can be found at http://elgg.org/.
The Elgg project was started in 2004 by: Ben Werdmuller (ben@benwerd.com, http://benwerd.com) and Dave Tosh (davidgtosh@gmail.com).
Elgg is released under the GNU General Public License (GPL) Version 2 and the Massachusetts Institute of Technology (MIT) License. See LICENSE.txt in the root of the package you downloaded.
For installation instructions, see INSTALL.txt.
For upgrade instructions, see UPGRADE.txt.