External acknowledgements
=========================

Shimo embeds and integrates selected third-party tools and frameworks. This
document focuses on the product-relevant components that are distributed with,
or directly integrated into, Shimo.

======================================================================
OpenVPN
----------------------------------------------------------------------

OpenVPN -- An application to securely tunnel IP networks over a single
TCP/UDP port, with support for SSL/TLS-based session authentication and
key exchange, packet encryption, packet authentication, and packet
compression.

Copyright (C) 2002-2026 OpenVPN Inc <sales@openvpn.net>

OpenVPN is distributed under the GNU General Public License version 2.
OpenVPN also contains linking exceptions and third-party components covered
by their own license terms. See the OpenVPN source distribution for the full
license text and component notices.

======================================================================
OpenConnect
----------------------------------------------------------------------

OpenConnect VPN client

Copyright (C) 2008-2026 David Woodhouse and contributors.

OpenConnect is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License version 2.1, as published
by the Free Software Foundation.

OpenConnect 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 OpenConnect source distribution for the
full license text and component notices.

======================================================================
WireGuard
----------------------------------------------------------------------

wireguard-go

Copyright (C) 2017-2025 WireGuard LLC. All Rights Reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

wireguard-tools

wireguard-tools is distributed under the GNU General Public License version 2.
See the wireguard-tools source distribution for the full license text and
component notices.

======================================================================
AmneziaWG
----------------------------------------------------------------------

amneziawg-go

AmneziaWG is based on WireGuard userspace tooling and is distributed under
the same permissive license terms as wireguard-go:

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

amneziawg-tools

amneziawg-tools is distributed under the GNU General Public License version 2.
See the amneziawg-tools source distribution for the full license text and
component notices.

======================================================================
vpnc
----------------------------------------------------------------------

IPSec VPN client compatible with Cisco equipment.

Copyright (C) 2002-2006 Geoffrey Keating, Maurice Massar, and others.

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 2 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 vpnc source distribution for the full
license text and component notices.

======================================================================
Tunnelblick Project
----------------------------------------------------------------------

Portions of Shimo's OpenVPN helper scripts are derived from Tunnelblick
scripts.

Original script authors include Nick Williams, Jonathan K. Bullard, and other
Tunnelblick contributors.

See the Tunnelblick project for the full license text and component notices.

======================================================================
Sparkle
----------------------------------------------------------------------

Copyright (c) 2006-2013 Andy Matuschak.
Copyright (c) 2009-2013 Elgato Systems GmbH.
Copyright (c) 2011-2014 Kornel Lesinski.
Copyright (c) 2015-2017 Mayur Pawashe.
Copyright (c) 2014 C.W. Betts.
Copyright (c) 2014 Petroules Corporation.
Copyright (c) 2014 Big Nerd Ranch.
All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Sparkle also contains third-party components covered by their own license
terms. See the Sparkle distribution for the full component notices.

======================================================================
ShortcutRecorder / PTHotKey
----------------------------------------------------------------------

ShortcutRecorder is maintained by Ilya Kulakov and contributors.

Initial developers:
- Jesper, waffle software
- David Dauer
- Jamie Kirkpatrick, Kirk Consulting Ltd
- Andy Kim
- Silvio Rizzi

ShortcutRecorder is distributed under the Creative Commons Attribution 4.0
International Public License. See the ShortcutRecorder distribution for the
full license text and attribution notices.

======================================================================
Sentry Cocoa
----------------------------------------------------------------------

The MIT License (MIT)

Copyright (c) 2015 Sentry

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

======================================================================
CocoaLumberjack
----------------------------------------------------------------------

BSD 3-Clause License

Copyright (c) 2010-2026, Deusty, LLC
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. Neither the name of Deusty nor the names of its contributors may be used to
endorse or promote products derived from this software without specific prior
written permission of Deusty, LLC.

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.

======================================================================
CocoaAsyncSocket
----------------------------------------------------------------------

AsyncSocket is in the public domain.

Originally created by Dustin Voss.
Updated and maintained by Deusty Designs and the Mac development community.

======================================================================
SCEvents
----------------------------------------------------------------------

The MIT License

Copyright (c) 2011 Stuart Connolly. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
