The ZBar Bar Code Reader is Copyright © 2007-2009 Jeff Brown
<spadix@users.sourceforge.net>
The QR Code reader is Copyright © 1999-2009 Timothy B. Terriberry
<tterribe@xiph.org>

You can redistribute this library and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

ISAAC is based on the public domain implementation by Robert J. Jenkins Jr., and is itself public domain.

Portions of the bit stream reader are copyright © The Xiph.Org Foundation 1994-2008, and are licensed under a BSD-style license.

The Reed-Solomon decoder is derived from an implementation © 1991-1995 Henry Minsky (hqm@ua.com, hqm@ai.mit.edu), and is licensed under the LGPL with permission.