Original source may be found at http://octave.sf.net.

Files: inst/map.m
Copyright: © 2003 Tomer Altman
License: GPL-2+
 This files is under the GPL, version 2 or later.

Files: inst/xmlwrite.m, src/xmlread.cc, src/csv2cell.cc,
 src/xmltree.c, src/csvconcat.cc, src/xmltree_read.h,
 src/xmltree_read.act, src/xmltree.h, src/cell2csv.cc,
 src/csvexplode.cc
Copyright: © 2004 Laurent Mazet
License: GPL-2+
 These files are under the GPL, version 2 or later.

Files: inst/units.m
Copyright: © 2005   Carl Osterwisch
License: GPL-2+
 This files is under the GPL, version 2 or later.

Files: inst/zigzag.m, inst/zagzig.m
Copyright: © 2006 Fredrik Bulow
License: GPL-2+
 These files are under the GPL, version 2 or later.

Files: src/stringmatch.c
Copyright: © 1987-1993 The Regents of the University of California.
           © 1994-1998 Sun Microsystems, Inc.
           © 2001 by Kevin B. Kenny
License: other
 This software is copyrighted by the Regents of the University of
 California, Sun Microsystems, Inc., Scriptics Corporation, ActiveState
 Corporation and other parties.  The following terms apply to all files
 associated with the software unless explicitly disclaimed in
 individual files.
 .
 The authors hereby grant permission to use, copy, modify, distribute,
 and license this software and its documentation for any purpose, provided
 that existing copyright notices are retained in all copies and that this
 notice is included verbatim in any distributions. No written agreement,
 license, or royalty fee is required for any of the authorized uses.
 Modifications to this software may be copyrighted by their authors
 and need not follow the licensing terms described here, provided that
 the new terms are clearly indicated on the first page of each file where
 they apply.

Files: src/waitbar.cc
Copyright: © 2002  Quentin Spencer
License: GPL-2+
 This files is under the GPL, version 2 or later.

Files: inst/csv2latex.m
Copyright: © 2006 Hansgeorg Schwibbe
License: GPL-2+
 This files is under the GPL, version 2 or later.

Files: src/xmltree_read.l
Copyright: © 1999 Kristoffer Rose
License: other
 You can redistribute and/or modify this program provided the following
 two conditions hold:
 .
 1. The program is distributed WITHOUT ANY WARRANTY from the author of
    FleXML; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.
 .
 2. The program distribution conditions do not in any way affect the
    distribution conditions of the FleXML system used to generate this
    file or any version of FleXML derived from that system.
 .
 Notice that these are explicit rights granted to you for files
 generated by the FleXML system.  For your rights in connection with
 the FleXML system itself please consult the GNU General Public License.

Files: inst/rotv.m, inst/rotparams.m, inst/temp_name.m,
 inst/slurp_file.m, inst/read_options.m
Copyright: © 2002 Etienne Grossmann
License: GPL-2+
 These files are under the GPL, version 2 or later.

Files: inst/reduce.m, inst/map.m, inst/match.m, inst/apply.m
Copyright: © 2007, Muthiah Annamalai
License: GPL-2+
 These files are under the GPL, version 2 or later.

Files: inst/infoskeleton.m
Copyright: © 2008 Muthiah Annamalai
License: GPL
 These files are under the GPL, no version specified.

Files: lauchli.m (distributed through a patch in the Debian package) is
Copyright: © Paul Kienzle
License: PD
 This file is in the public domain.

Files: debian/*
Copyright: © 2008 Ólafur Jens Sigurðsson <ojsbug@gmail.com>
License: GPL-3+
 The Debian packaging information is under the GPL, version 3 or later.

On Debian systems, the complete text of the GNU General Public License,
version 2, can be found in the file `/usr/share/common-licenses/GPL-2. The
complete text of the GNU General Public License, version 3, can be found
in the file `/usr/share/common-licenses/GPL-3.
