HarfBuzz is licensed under the so-called "Old MIT" license.  Details follow.
For parts of HarfBuzz that are licensed under different licenses see individual
files names COPYING in subdirectories where applicable.

Copyright © 2010-2022  Google, Inc.
Copyright © 2015-2020  Ebrahim Byagowi
Copyright © 2019,2020  Facebook, Inc.
Copyright © 2012,2015  Mozilla Foundation
Copyright © 2011  Codethink Limited
Copyright © 2008,2010  Nokia Corporation and/or its subsidiary(-ies)
Copyright © 2009  Keith Stribley
Copyright © 2011  Martin Hosken and SIL International
Copyright © 2007  Chris Wilson
Copyright © 2005,2006,2020,2021,2022,2023  Behdad Esfahbod
Copyright © 2004,2007,2008,2009,2010,2013,2021,2022,2023  Red Hat, Inc.
Copyright © 1998-2005  David Turner and Werner Lemberg
Copyright © 2016  Igalia S.L.
Copyright © 2022  Matthias Clasen
Copyright © 2018,2021  Khaled Hosny
Copyright © 2018,2019,2020  Adobe, Inc
Copyright © 2013-2015  Alexei Podtelezhnikov

For full copyright notices consult the individual files in the package.


Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the
above copyright notice and the following two paragraphs appear in
all copies of this software.

IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.

THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.