Third party licenses

OpenWebRTC would not be possible without a large number of fantastic Open Source projects, specifically:

gettext

http://www.gnu.org/software/gettext/
    gettext - retrieve text string from message catalog and print it.
    Copyright (C) 1995-1997, 2000-2007, 2012 Free Software Foundation, Inc.
    Written by Ulrich Drepper , May 1995.

        This program 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 3 of the License, or
        (at your option) any later version.

        This program 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, see http://www.gnu.org/licenses/.

GObject Introspection

https://developer.gnome.org/gi/stable/GIRepository.html
    Copyright (C) 2005 Matthias Clasen
    Copyright (C) 2008 Colin Walters 
        Copyright (C) 2008 Red Hat, Inc.

        This library is free software; you can redistribute it and/or
        modify it under the terms of the GNU Lesser General Public
        License as published by the Free Software Foundation; either
        version 2 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., 59 Temple Place - Suite 330,
        Boston, MA 02111-1307, USA.

Glib

http://developer.gnome.org/glib/
    Major copyright holders:

    Copyright © 1995-2011 Red Hat, Inc.
    Copyright © 2008-2010 Novell, Inc.
    Copyright © 2008-2010 Codethink Limited.
    Copyright © 2008-2010 Collabora, Ltd.

    License:

    This package is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This package 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 package; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

glib-networking

https://git.gnome.org/browse/glib-networking/
    Copyright 2010 Red Hat, Inc.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 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, see
    .

gmp

https://gmplib.org
    Copyright 2001, 2002, 2004, 2011, 2012 Free Software Foundation, Inc.

    This file is part of the GNU MP Library.

    The GNU MP Library is free software; you can redistribute it and/or modify
    it under the terms of either:

    * the GNU Lesser General Public License as published by the Free
    Software Foundation; either version 3 of the License, or (at your
    option) any later version.

    or

    * 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.

    or both in parallel, as here.

    The GNU MP 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 General Public License
    for more details.

    You should have received copies of the GNU General Public License and the
    GNU Lesser General Public License along with the GNU MP Library.  If not,
    see https://www.gnu.org/licenses/.

gnutls

http://www.gnutls.org
    Copyright (C) 2000-2012 Free Software Foundation, Inc.

    GnuTLS 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 3 of the License, or
    (at your option) any later version.

    GnuTLS 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, see .

gst-plugins-bad

http://gstreamer.freedesktop.org/modules/gst-plugins-bad.html
    Disclaimer:  The GStreamer team makes a real effort to make sure that
    the information in this file is as up-to-date and accurate as possible.
    However, this file may contain errors and omissions.  Some dependant
    libraries change their licensing from version-to-version and some of
    the libraries listed here as LGPL were under the GPL license in
    older releases.  Distributions which include GStreamer are responsible
    for ensuring that plugins are used in accordance with licensing terms
    and other laws.

    GStreamer is developed under the terms of the LGPL (see LICENSE file for details).
    Some of our plugins however rely on libraries which are available under other
    licenses. This means that if you are using an application which has a non-GPL
    compatible license, for instance a closed-source application with GStreamer
    you have to make sure not to use GPL linked or derived plugins.  When using
    GPL linked plugins GStreamer is for all practical reasons under the GPL itself.

    The plugins which use a GPL library are as follows:

    a52dec           liba52           (http://liba52.sourceforge.net/)
    aasink           aalib            (http://sourceforge.net/projects/aa-project/)
    cdparanoia       libcdparanoia    (http://www.xiph.org/paranoia/)
    dtsdec           libdts           (http://www.videolan.org/dtsdec.html)
    dvdnavsrc        libdvdnav        (http://dvd.sourceforge.net/)
    dxr3                              (http://dxr3.sourceforge.net/)
    mad              libmad           (http://www.mars.org/home/rob/proj/mpeg/)
    mpeg2dec         libmpeg2         (http://libmpeg2.sourceforge.net/)
    mpeg2enc         libmpeg2enc      (http://mjpeg.sourceforge.net/)
    mplex            libmplex         (http://mjpeg.sourceforge.net/)
    siddec           libsidplay 1.36  (http://www.geocities.com/SiliconValley/Lakes/5147/sidplay/,
    http://sourceforge.net/projects/sidplay2/)
    xine             libxine          (http://xinehq.de/)
    xvid             libxvidcore      (http://www.xvid.org/)

    Plugins derived from GPL code are as follows:

    dvdreadsrc       libdvdread       (http://www.dtek.chalmers.se/groups/dvd/)
    monoscope        None             (Algorithm by Ralph Loader, Joerg Walter,
    Richard Boulton, and Andy Lo A Foe)
    rtjpeg           None             (Erik Walthinsen's algorithm)
    rtp              None             (http://www.linphone.org/ortp/)
    synaesthesia                      (http://www.logarithmic.net/pfh/synaesthesia)
    system_encode    None             (Algorithm by Chrisoph Moar, Wim Tayman's and
    Erik Walthinsen)
    vbidec           None             (Algorithm by Billy Biggs, Doug Bell,
    Erik Walthinsen and David I. Lehn)

    Plugins which use a LGPL library are as follows:

    alsa             alsa             (http://alsa-project.org/)
    cacasink         libcaca          (http://sam.zoy.org/projects/libcaca/)
    dvdec            libdv            (http://libdv.sourceforge.net/)
    esdmon,esdsink   libesd           (ftp.gnome.org/pub/GNOME/stable/sources/esound/)
    faac             libfaac          (http://www.audiocoding.com/modules/mydownloads/)
    fameenc          libfame          (http://fame.sourceforge.net/)
    ffmpeg           ffmpeg           (http://ffmpeg.sourceforge.net/)
    gdkpixbuf        GTK+             (http://www.gtk.org/)
    gnomevfs         gnome-vfs        (ftp.gnome.org//pub/GNOME/stable/sources/gnome-vfs/)
    gst1394          libraw1394       (http://www.linux1394.org/)
    gstaf            libaudiofile     (http://www.68k.org/~michael/audiofile/)
    gstsf            libsndfile       (http://www.mega-nerd.com/libsndfile/)
    kio              KDE              (http://www.kde.org/)
    ladspa                            (http://www.ladspa.org/)
    lame             libmp3lame       (http://lame.sourceforge.net/)
    libvisual        libvisual        (http://libvisual.sourceforge.net/)
    matroska                          (http://www.matroska.org/)
    mikmod           libmikmod        (http://mikmod.raphnet.net/)
    ossaudio                          (http://www.opensound.com/)
    qcamsrc
    rfbenc           librfb
    sdlvideosink     libsdl           (http://www.libsdl.org/)
    smoothwave
    tarkin                            (http://svn.xiph.org/trunk/tarkin/)
    textoverlay      pango            (http://www.pango.org/)
    dirac                             (http://www.bbc.co.uk/rd/projects/dirac/)
    effectv (Our ports was relicensed)(http://effectv.sourceforge.net/)
    musepack              (http://www.musepack.net/)
    kate             libtiger         (http://libtiger.googlecode.com/)
    Optional, only for the tiger element

    Plugins which use a BSD covered library are as follows:

    ogg              libogg/libvorbis (http://www.xiph.org/ogg/vorbis/)
    vorbis           libogg/libvorbis (http://www.xiph.org/ogg/vorbis/)
    gsttheora        libtheora        (http://www.theora.org/)
    speex                             (http://www.speex.org/)
    flac             libFLAC          (http://flac.sourceforge.net/)
    kate             libkate          (http://libkate.googlecode.com/)

    Plugins based on libraries with other free licenses:

    ximagesink       libXv
    xvimagesink      libXv
    - license:      MIT X11 / X Consortium license

    gsm              libgsm
    - license       MIT license http://kbs.cs.tu-berlin.de/~jutta/toast.html

    festival                          (http://www.cstr.ed.ac.uk/projects/festival/)
    - license:      http://www.cstr.ed.ac.uk/projects/festival/freecopyright.shtml

    jpeg                              (http://www.ijg.org/)
    - license:      IJG license

    nas                               (http://radscan.com/nas.html)
    - license:      NAS license

    snapshot         libpng           (http://www.libpng.org/pub/png/)
    - license:      PNG license

    mngdec/mngenc   libmng          (http://gjuyn.xs4all.nl/libmng)
    - license   PNG license

    Plugins using non-free libraries:
    osxaudio                                (http://www.apple.com/macosx/)
    sunaudiosink                            (http://www.sun.com/)

    Unsure:

    faad             libfaad          (http://www.audiocoding.com/)
    faad's license depends on its major version :
    - for FAAD1 : it is LGPL
    - for FAAD2 : it is GPL
    look at these pages for more information on licenses :
    http://www.audiocoding.com/modules/wiki/?page=FAAD2
    http://www.audiocoding.com/modules/wiki/?page=FAAC

    by default, GStreamer faad plugin would compile against FAAD2 if available.
    it falls back to FAAD1 if not.

gst-plugins-base

http://gstreamer.freedesktop.org/modules/gst-plugins-base.html
    Disclaimer:  The GStreamer team makes a real effort to make sure that
    the information in this file is as up-to-date and accurate as possible.
    However, this file may contain errors and omissions.  Some dependant
    libraries change their licensing from version-to-version and some of
    the libraries listed here as LGPL were under the GPL license in
    older releases.  Distributions which include GStreamer are responsible
    for ensuring that plugins are used in accordance with licensing terms
    and other laws.

    GStreamer is developed under the terms of the LGPL (see LICENSE file for details).
    Some of our plugins however rely on libraries which are available under other
    licenses. This means that if you are using an application which has a non-GPL
    compatible license, for instance a closed-source application with GStreamer
    you have to make sure not to use GPL linked or derived plugins.  When using
    GPL linked plugins GStreamer is for all practical reasons under the GPL itself.

    The plugins which use a GPL library are as follows:

    a52dec           liba52           (http://liba52.sourceforge.net/)
    aasink           aalib            (http://sourceforge.net/projects/aa-project/)
    cdparanoia       libcdparanoia    (http://www.xiph.org/paranoia/)
    dtsdec           libdts           (http://www.videolan.org/dtsdec.html)
    dvdnavsrc        libdvdnav        (http://dvd.sourceforge.net/)
    dxr3                              (http://dxr3.sourceforge.net/)
    icecastsend      libshout         (http://www.icecast.org)
    mad              libmad           (http://www.mars.org/home/rob/proj/mpeg/)
    mpeg2dec         libmpeg2         (http://libmpeg2.sourceforge.net/)
    mpeg2enc         libmpeg2enc      (http://mjpeg.sourceforge.net/)
    mplex            libmplex         (http://mjpeg.sourceforge.net/)
    siddec           libsidplay 1.36  (http://www.geocities.com/SiliconValley/Lakes/5147/sidplay/,
    http://sourceforge.net/projects/sidplay2/)
    trm              libmusicbrainz   (http://www.musicbrainz.org/)
    xine             libxine          (http://xinehq.de/)
    xvid             libxvidcore      (http://www.xvid.org/)

    Plugins derived from GPL code are as follows:

    dvdreadsrc       libdvdread       (http://www.dtek.chalmers.se/groups/dvd/)
    jack             libjack          (http://jackit.sourceforge.net/)
    Note libjack is LGPL, but plugin is GPL.
    monoscope        None             (Algorithm by Ralph Loader, Joerg Walter,
    Richard Boulton, and Andy Lo A Foe)
    rtjpeg           None             (Erik Walthinsen's algorithm)
    rtp              None             (http://www.linphone.org/ortp/)
    synaesthesia                      (http://www.logarithmic.net/pfh/synaesthesia)
    system_encode    None             (Algorithm by Chrisoph Moar, Wim Tayman's and
    Erik Walthinsen)
    vbidec           None             (Algorithm by Billy Biggs, Doug Bell,
    Erik Walthinsen and David I. Lehn)

    Plugins which use a LGPL library are as follows:

    alsa             alsa             (http://alsa-project.org/)
    artsdsink        aRts             (http://arts-project.org/)
    cacasink         libcaca          (http://sam.zoy.org/projects/libcaca/)
    colorspacelcs    libcolorspace
    dvdec            libdv            (http://libdv.sourceforge.net/)
    esdmon,esdsink   libesd           (ftp.gnome.org/pub/GNOME/stable/sources/esound/)
    faac             libfaac          (http://www.audiocoding.com/modules/mydownloads/)
    fameenc          libfame          (http://fame.sourceforge.net/)
    ffmpeg           ffmpeg           (http://ffmpeg.sourceforge.net/)
    gdkpixbuf        GTK+             (http://www.gtk.org/)
    gnomevfs         gnome-vfs        (ftp.gnome.org//pub/GNOME/stable/sources/gnome-vfs/)
    gst_arts         aRts             (http://arts-project.org/)
    gst1394          libraw1394       (http://www.linux1394.org/)
    gstaf            libaudiofile     (http://www.68k.org/~michael/audiofile/)
    gstsf            libsndfile       (http://www.mega-nerd.com/libsndfile/)
    hermescolorspace Hermes           (http://www.clanlib.org/hermes/)
    kio              KDE              (http://www.kde.org/)
    ladspa                            (http://www.ladspa.org/)
    lame             libmp3lame       (http://lame.sourceforge.net/)
    libvisual        libvisual        (http://libvisual.sourceforge.net/)
    matroska                          (http://www.matroska.org/)
    mikmod           libmikmod        (http://mikmod.raphnet.net/)
    ossaudio                          (http://www.opensound.com/)
    qcamsrc
    rfbenc           librfb
    sdlvideosink     libsdl           (http://www.libsdl.org/)
    shout2send       libshout2        (http://www.icecast.org)
    smoothwave
    swfdec                            (http://swfdec.sourceforge.net/)
    tarkin                            (http://svn.xiph.org/trunk/tarkin/)
    textoverlay      pango            (http://www.pango.org/)
    dirac                             (http://www.bbc.co.uk/rd/projects/dirac/)
    effectv (Our ports was relicensed)(http://effectv.sourceforge.net/)
    musepack              (http://www.musepack.net/)

    Plugins which use a BSD covered library are as follows:

    ogg              libogg/libvorbis (http://www.xiph.org/ogg/vorbis/)
    vorbis           libogg/libvorbis (http://www.xiph.org/ogg/vorbis/)
    gsttheora        libtheora        (http://www.theora.org/)
    speex                             (http://www.speex.org/)
    flac             libFLAC          (http://flac.sourceforge.net/)

    Plugins based on libraries with other free licenses:

    ximagesink       libXv
    xvimagesink      libXv
    - license:      MIT X11 / X Consortium license

    gsm              libgsm
    - license       MIT license http://kbs.cs.tu-berlin.de/~jutta/toast.html

    festival                          (http://www.cstr.ed.ac.uk/projects/festival/)
    - license:      http://www.cstr.ed.ac.uk/projects/festival/freecopyright.shtml

    jpeg                              (http://www.ijg.org/)
    - license:      IJG license

    nas                               (http://radscan.com/nas.html)
    - license:      NAS license

    snapshot         libpng           (http://www.libpng.org/pub/png/)
    - license:      PNG license

    mngdec/mngenc   libmng          (http://gjuyn.xs4all.nl/libmng)
    - license   PNG license

    Plugins using non-free libraries:
    divxdec, divxenc                        (http://www.divx.com/)
    osxaudio                                (http://www.apple.com/macosx/)
    sunaudiosink                            (http://www.sun.com/)

    Unsure:

    faad             libfaad          (http://www.audiocoding.com/)
    faad's license depends on its major version :
    - for FAAD1 : it is LGPL
    - for FAAD2 : it is GPL
    look at these pages for more information on licenses :
    http://www.audiocoding.com/modules/wiki/?page=FAAD2
    http://www.audiocoding.com/modules/wiki/?page=FAAC

    by default, GStreamer faad plugin would compile against FAAD2 if available.
    it falls back to FAAD1 if not.

gst-plugins-good

http://gstreamer.freedesktop.org/modules/gst-plugins-good.html
    Disclaimer:  The GStreamer team makes a real effort to make sure that
    the information in this file is as up-to-date and accurate as possible.
    However, this file may contain errors and omissions.  Some dependant
    libraries change their licensing from version-to-version and some of
    the libraries listed here as LGPL were under the GPL license in
    older releases.  Distributions which include GStreamer are responsible
    for ensuring that plugins are used in accordance with licensing terms
    and other laws.

    GStreamer is developed under the terms of the LGPL (see LICENSE file for details).
    Some of our plugins however rely on libraries which are available under other
    licenses. This means that if you are using an application which has a non-GPL
    compatible license, for instance a closed-source application with GStreamer
    you have to make sure not to use GPL linked or derived plugins.  When using
    GPL linked plugins GStreamer is for all practical reasons under the GPL itself.

    The plugins which use a GPL library are as follows:

    a52dec           liba52           (http://liba52.sourceforge.net/)
    aasink           aalib            (http://sourceforge.net/projects/aa-project/)
    cdparanoia       libcdparanoia    (http://www.xiph.org/paranoia/)
    dtsdec           libdts           (http://www.videolan.org/dtsdec.html)
    dvdnavsrc        libdvdnav        (http://dvd.sourceforge.net/)
    dxr3                              (http://dxr3.sourceforge.net/)
    icecastsend      libshout         (http://www.icecast.org)
    mad              libmad           (http://www.mars.org/home/rob/proj/mpeg/)
    mpeg2dec         libmpeg2         (http://libmpeg2.sourceforge.net/)
    mpeg2enc         libmpeg2enc      (http://mjpeg.sourceforge.net/)
    mplex            libmplex         (http://mjpeg.sourceforge.net/)
    siddec           libsidplay 1.36  (http://www.geocities.com/SiliconValley/Lakes/5147/sidplay/,
    http://sourceforge.net/projects/sidplay2/)
    trm              libmusicbrainz   (http://www.musicbrainz.org/)
    xine             libxine          (http://xinehq.de/)
    xvid             libxvidcore      (http://www.xvid.org/)

    Plugins derived from GPL code are as follows:

    dvdreadsrc       libdvdread       (http://www.dtek.chalmers.se/groups/dvd/)
    jack             libjack          (http://jackit.sourceforge.net/)
    Note libjack is LGPL, but plugin is GPL.
    monoscope        None             (Algorithm by Ralph Loader, Joerg Walter,
    Richard Boulton, and Andy Lo A Foe)
    rtjpeg           None             (Erik Walthinsen's algorithm)
    rtp              None             (http://www.linphone.org/ortp/)
    synaesthesia                      (http://www.logarithmic.net/pfh/synaesthesia)
    system_encode    None             (Algorithm by Chrisoph Moar, Wim Tayman's and
    Erik Walthinsen)
    vbidec           None             (Algorithm by Billy Biggs, Doug Bell,
    Erik Walthinsen and David I. Lehn)

    Plugins which use a LGPL library are as follows:

    alsa             alsa             (http://alsa-project.org/)
    artsdsink        aRts             (http://arts-project.org/)
    cacasink         libcaca          (http://sam.zoy.org/projects/libcaca/)
    colorspacelcs    libcolorspace
    dvdec            libdv            (http://libdv.sourceforge.net/)
    esdmon,esdsink   libesd           (ftp.gnome.org/pub/GNOME/stable/sources/esound/)
    faac             libfaac          (http://www.audiocoding.com/modules/mydownloads/)
    fameenc          libfame          (http://fame.sourceforge.net/)
    ffmpeg           ffmpeg           (http://ffmpeg.sourceforge.net/)
    gdkpixbuf        GTK+             (http://www.gtk.org/)
    gnomevfs         gnome-vfs        (ftp.gnome.org//pub/GNOME/stable/sources/gnome-vfs/)
    gst_arts         aRts             (http://arts-project.org/)
    gst1394          libraw1394       (http://www.linux1394.org/)
    gstaf            libaudiofile     (http://www.68k.org/~michael/audiofile/)
    gstsf            libsndfile       (http://www.mega-nerd.com/libsndfile/)
    hermescolorspace Hermes           (http://www.clanlib.org/hermes/)
    kio              KDE              (http://www.kde.org/)
    ladspa                            (http://www.ladspa.org/)
    lame             libmp3lame       (http://lame.sourceforge.net/)
    libvisual        libvisual        (http://libvisual.sourceforge.net/)
    matroska                          (http://www.matroska.org/)
    mikmod           libmikmod        (http://mikmod.raphnet.net/)
    ossaudio                          (http://www.opensound.com/)
    qcamsrc
    rfbenc           librfb
    sdlvideosink     libsdl           (http://www.libsdl.org/)
    shout2send       libshout2        (http://www.icecast.org)
    smoothwave
    swfdec                            (http://swfdec.sourceforge.net/)
    tarkin                            (http://svn.xiph.org/trunk/tarkin/)
    textoverlay      pango            (http://www.pango.org/)
    dirac                             (http://www.bbc.co.uk/rd/projects/dirac/)
    effectv (Our ports was relicensed)(http://effectv.sourceforge.net/)
    musepack              (http://www.musepack.net/)

    Plugins which use a BSD covered library are as follows:

    ogg              libogg/libvorbis (http://www.xiph.org/ogg/vorbis/)
    vorbis           libogg/libvorbis (http://www.xiph.org/ogg/vorbis/)
    gsttheora        libtheora        (http://www.theora.org/)
    speex                             (http://www.speex.org/)
    flac             libFLAC          (http://flac.sourceforge.net/)

    Plugins based on libraries with other free licenses:

    ximagesink       libXv
    xvimagesink      libXv
    - license:      MIT X11 / X Consortium license

    gsm              libgsm
    - license       MIT license http://kbs.cs.tu-berlin.de/~jutta/toast.html

    festival                          (http://www.cstr.ed.ac.uk/projects/festival/)
    - license:      http://www.cstr.ed.ac.uk/projects/festival/freecopyright.shtml

    jpeg                              (http://www.ijg.org/)
    - license:      IJG license

    nas                               (http://radscan.com/nas.html)
    - license:      NAS license

    snapshot         libpng           (http://www.libpng.org/pub/png/)
    - license:      PNG license

    mngdec/mngenc   libmng          (http://gjuyn.xs4all.nl/libmng)
    - license   PNG license

    Plugins using non-free libraries:
    divxdec, divxenc                        (http://www.divx.com/)
    osxaudio                                (http://www.apple.com/macosx/)
    sunaudiosink                            (http://www.sun.com/)

    Unsure:

    faad             libfaad          (http://www.audiocoding.com/)
    faad's license depends on its major version :
    - for FAAD1 : it is LGPL
    - for FAAD2 : it is GPL
    look at these pages for more information on licenses :
    http://www.audiocoding.com/modules/wiki/?page=FAAD2
    http://www.audiocoding.com/modules/wiki/?page=FAAC

    by default, GStreamer faad plugin would compile against FAAD2 if available.
    it falls back to FAAD1 if not.

GStreamer

http://gstreamer.freedesktop.org/
    Upstream Authors:

    Erik Walthinsen, omegahacker@users.sourceforge.net
    Wim Taymans, wim.taymans@chello.be
    Richard Boulton, richard@tartarus.org
    and many more...

    Copyright:

    This package is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
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json-c

https://github.com/json-c/json-c
    Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
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libffi

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libiconv

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    This program 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 3 of the License, or
    (at your option) any later version.

    This program 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, see .

libltdl

https://www.archlinux.org/packages/core/x86_64/libltdl/
    libltdl is licensed under the terms of the GNU Lesser General Public License, with the following exception:

    As a special exception to the GNU Lesser General Public License, if you distribute this file as part of a program or library that is built using GNU Libtool, you may include it under the same distribution terms that you use for the rest of that program.

libnice

http://nice.freedesktop.org/
    Copyright © 1986 Gary S. Brown
    Copyright © 2006-2008 Collabora Ltd.
    Copyright © 2006-2008 Nokia Corporation.

    The Nice Glib ICE library is licensed under both the Mozilla Public License
    version 1.1 and the GNU Lesser General Public License version 2.1:

    This library is free software; you can redistribute it 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.

libopus

http://www.opus-codec.org/
    Copyright (c) 2010-2011 Xiph.Org Foundation, Skype Limited
    Written by Jean-Marc Valin and Koen Vos

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    - Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.

    - Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

libsndfile

https://github.com/erikd/libsndfile
    /*
    ** Copyright (C) 1999-2014 Erik de Castro Lopo 
        **
        ** This program is free software; you can redistribute it 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 program 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 program; if not, write to the Free Software
        ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
        */

libsrtp

https://github.com/cisco/libsrtp
    /*
    *
    * Copyright (c) 2001-2006 Cisco Systems, Inc.
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *   Redistributions of source code must retain the above copyright
    *   notice, this list of conditions and the following disclaimer.
    *
    *   Redistributions in binary form must reproduce the above
    *   copyright notice, this list of conditions and the following
    *   disclaimer in the documentation and/or other materials provided
    *   with the distribution.
    *
    *   Neither the name of the Cisco Systems, Inc. nor the names of its
    *   contributors may be used to endorse or promote products derived
    *   from this software without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
    * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
    * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
    * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
    * OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    */

libvpx

http://www.webmproject.org/code/
    Copyright (c) 2010, The WebM Project authors. All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
    met:

    * Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in
    the documentation and/or other materials provided with the
    distribution.

    * Neither the name of Google, nor the WebM Project, nor the names
    of its contributors may be used to endorse or promote products
    derived from this software without specific prior written
    permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

libxml2

http://xmlsoft.org/FAQ.html#License
    libxml2 is released under the MIT License; see the file Copyright in the distribution for the precise wording.

nettle

http://www.lysator.liu.se/~nisse/nettle/
    nettle, low-level cryptographics library

    Copyright (C) 2002 Niels Mˆller

    The nettle library is free software; you can redistribute it 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.

    The nettle 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 the nettle library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
    MA 02111-1307, USA.

OpenH264

http://www.openh264.org
    Copyright (c) 2013, Cisco Systems
    All rights reserved.

    Redistribution and use in source and binary forms, with or without modification,
    are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice, this
    list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright notice, this
    list of conditions and the following disclaimer in the documentation and/or
    other materials provided with the distribution.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
    ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
    ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

OpenSSL

https://www.openssl.org
    LICENSE ISSUES
    ==============

    The OpenSSL toolkit stays under a dual license, i.e. both the conditions of
    the OpenSSL License and the original SSLeay license apply to the toolkit.
    See below for the actual license texts. Actually both licenses are BSD-style
    Open Source licenses. In case of any license issues related to OpenSSL
    please contact openssl-core@openssl.org.

    OpenSSL License
    ---------------

    /* ====================================================================
    * Copyright (c) 1998-2011 The OpenSSL Project.  All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    * 1. Redistributions of source code must retain the above copyright
    *    notice, this list of conditions and the following disclaimer.
    *
    * 2. Redistributions in binary form must reproduce the above copyright
    *    notice, this list of conditions and the following disclaimer in
    *    the documentation and/or other materials provided with the
    *    distribution.
    *
    * 3. All advertising materials mentioning features or use of this
    *    software must display the following acknowledgment:
    *    "This product includes software developed by the OpenSSL Project
    *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
    *
    * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
    *    endorse or promote products derived from this software without
    *    prior written permission. For written permission, please contact
    *    openssl-core@openssl.org.
    *
    * 5. Products derived from this software may not be called "OpenSSL"
    *    nor may "OpenSSL" appear in their names without prior written
    *    permission of the OpenSSL Project.
    *
    * 6. Redistributions of any form whatsoever must retain the following
    *    acknowledgment:
    *    "This product includes software developed by the OpenSSL Project
    *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
    *
    * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
    * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
    * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
    * OF THE POSSIBILITY OF SUCH DAMAGE.
    * ====================================================================
    *
    * This product includes cryptographic software written by Eric Young
    * (eay@cryptsoft.com).  This product includes software written by Tim
    * Hudson (tjh@cryptsoft.com).
    *
    */

    Original SSLeay License
    -----------------------

    /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
    * All rights reserved.
    *
    * This package is an SSL implementation written
    * by Eric Young (eay@cryptsoft.com).
    * The implementation was written so as to conform with Netscapes SSL.
    *
    * This library is free for commercial and non-commercial use as long as
    * the following conditions are aheared to.  The following conditions
    * apply to all code found in this distribution, be it the RC4, RSA,
    * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
    * included with this distribution is covered by the same copyright terms
    * except that the holder is Tim Hudson (tjh@cryptsoft.com).
    *
    * Copyright remains Eric Young's, and as such any Copyright notices in
    * the code are not to be removed.
    * If this package is used in a product, Eric Young should be given attribution
    * as the author of the parts of the library used.
    * This can be in the form of a textual message at program startup or
    * in documentation (online or textual) provided with the package.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    * 1. Redistributions of source code must retain the copyright
    *    notice, this list of conditions and the following disclaimer.
    * 2. Redistributions in binary form must reproduce the above copyright
    *    notice, this list of conditions and the following disclaimer in the
    *    documentation and/or other materials provided with the distribution.
    * 3. All advertising materials mentioning features or use of this software
    *    must display the following acknowledgement:
    *    "This product includes cryptographic software written by
    *     Eric Young (eay@cryptsoft.com)"
    *    The word 'cryptographic' can be left out if the rouines from the library
    *    being used are not cryptographic related :-).
    * 4. If you include any Windows specific code (or a derivative thereof) from
    *    the apps directory (application code) you must include an acknowledgement:
    *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
    *
    * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
    * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
    * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    * SUCH DAMAGE.
    *
    * The licence and distribution terms for any publically available version or
    * derivative of this code cannot be changed.  i.e. this code cannot simply be
    * copied and put under another distribution licence
    * [including the GNU Public Licence.]
    */

ORC

http://code.entropywave.com/orc/
    The majority of the source code and the collective work is subject
    to the following license:

    Copyright 2002-2009 David A. Schleef 

        All rights reserved.

        Redistribution and use in source and binary forms, with or without
        modification, are permitted provided that the following conditions
        are met:

        1. Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.

        2. Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in the
        documentation and/or other materials provided with the distribution.

        THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
        IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        POSSIBILITY OF SUCH DAMAGE.

PulseAudio

http://www.freedesktop.org/wiki/Software/PulseAudio/
    All PulseAudio source files are licensed under the GNU Lesser General Public
    License. (see file LGPL for details)
    
    However, the server side has optional GPL dependencies.  These include the
    libsamplerate and gdbm (core libraries), LIRC (lirc module) and FFTW (equalizer
    module), although others may also be included in the future.  If PulseAudio is
    compiled with these optional components, this effectively downgrades the
    license of the server part to GPL (see the file GPL for details), exercising
    section 3 of the LGPL.  In such circumstances, you should treat the client
    library (libpulse) of PulseAudio as being LGPL licensed and the server part
    (libpulsecore) as being GPL licensed.  Since the PulseAudio daemon, tests,
    various utilities/helpers and the modules link to libpulsecore and/or the afore
    mentioned optional GPL dependencies they are of course also GPL licensed also
    in this scenario.
    
    In addition to this, if D-Bus support is enabled, the PulseAudio client library
    (libpulse) MAY need to be licensed under the GPL, depending on the license
    adopted for libdbus. libdbus is licensed under either of the Academic Free
    License 2.1 or GPL 2.0 or above. Which of these applies is your choice, and the
    result affects the licensing of libpulse and thus, potentially, all programs
    that link to libpulse.
    
    Andre Adrian's echo cancellation implementation is licensed under a less
    restrictive license - see src/modules/echo-cancel/adrian-license.txt for
    details.
    
    Some other files pulled into PA source (i.e. reference implementations that are
    considered too small and stable to be considered as an external library) use the
    more permissive MIT license. This include the device reservation DBus protocol
    and realtime kit implementations.
    
    Additionally, a more permissive Sun license is used for code that performs
    u-law, A-law and linear PCM conversions.
    
    While we attempt to provide a summary here, it is the ultimate responsibility of
    the packager to ensure the components they use in their build of PulseAudio
    meets their license requirements.

readline

http://cnswww.cns.cwru.edu/php/chet/readline/rltop.html
    Copyright (C) 1987-2009 Free Software Foundation, Inc.
    
    This file is part of the GNU Readline Library (Readline), a library
    for reading lines of text with interactive input and history editing.
    
    Readline 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 3 of the License, or
    (at your option) any later version.
    
    Readline 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 Readline.  If not, see http://www.gnu.org/licenses/.

seed

https://git.gnome.org/browse/seed/
    LGPL v2

sqlite

http://www.sqlite.org/index.html
    2001 September 15
    
    The author disclaims copyright to this source code.  In place of
    a legal notice, here is a blessing:
    
    May you do good and not evil.
    May you find forgiveness for yourself and forgive others.
    May you share freely, never taking more than you give.

webrtc-audio-processing

http://freedesktop.org/software/pulseaudio/webrtc-audio-processing/
    Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
    
    Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
    Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
    Neither the name of Google nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
    
    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

zlib

http://zlib.net/
    Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler
    
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.
    
    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely, subject to the following restrictions:
    
    1. The origin of this software must not be misrepresented; you must not
    claim that you wrote the original software. If you use this software
    in a product, an acknowledgment in the product documentation would be
    appreciated but is not required.
    
    2. Altered source versions must be plainly marked as such, and must not be
    misrepresented as being the original software.
    
    3. This notice may not be removed or altered from any source distribution.