“This program” is Astroid.

    Copyright (c) 2014  Gaute Hope <eg@gaute.vetsj.com>

    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/>.

See COPYING.GPL-3.0+

------------------------------------------------------------------------

This program includes `src/compose_message.cc`, an adaptation of Ner’s
`src/compose_view.cc` under [the GPLv3 or any later version](https://github.com/astroidmail/astroid/pull/44#issuecomment-215941539).

    Copyright (c) 2010 Michael Forney

    This file is a part of ner.

    ner is free software: you can redistribute it and/or modify it under
    the terms of the GNU General Public License version 3, as published by
    the Free Software Foundation.

    ner 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 ner. If not, see <http://www.gnu.org/licenses/>.

See COPYING.GPL-3.0+

------------------------------------------------------------------------

This program includes a portion of Geary (referred to as "this program"
later in this section).

    Copyright 2012-2014 Yorba Foundation

    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.

See COPYING.LGPL-2.1+

------------------------------------------------------------------------

This program includes a portion of GMime (referred to as "this library"
later in this section).

    GMime
    Copyright (C) 2000-2014 Jeffrey Stedfast
    Copyright (C) 2016      Gaute Hope

    Modified from gmime-filter-html.c

    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.

    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, 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.

See COPYING.LGPL-2.1+

------------------------------------------------------------------------

This program includes `cmake/FindGObjectIntrospection.cmake` and
`cmake/GObjectIntrospectionMacros.cmake` from [the poppler pdf
rendering library](https://cgit.freedesktop.org/poppler/poppler/),
developed at freedesktop.org. `FindGObjectIntrospection.cmake` is the
original version, whereas `GObjectIntrospectionMacros.cmake` has been
modified for building this program. The redistribution and use of both
files is allowed according to the terms of the BSD license. These two
files are only used to build this program, but are not included in
executable forms of this program.

    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 copyright
       notice, this list of conditions and the following disclaimer in
       the documentation and/or other materials provided with the
       distribution.

    3. The name of the author may not be used to endorse or promote
       products derived from this software without specific prior
       written permission.

    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.