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OpenVPN -- A Secure tunneling daemon

Copyright (C) 2002-2018 OpenVPN Technologies, Inc. 
This program is free software;

you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.

For the latest version of OpenVPN, 
go to:

	https://openvpn.net/

License: GNU General Public License (GPL v2+)

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Hummingbird - OpenVPN 3 client based on AirVPN OpenVPN 3 library.

License: GNU General Public License (GPL v3) https://airvpn.org/hummingbird/License/

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WireGuard - Fast, modern, secure VPN tunnel

https://www.wireguard.com/

License: GNU General Public License (GPL v2+)

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stunnel

https://www.stunnel.org/

License: GNU General Public License (GPL v2+)

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LZO -- a real-time data compression library

https://www.oberhumer.com/opensource/lzo/ 

License: GNU General Public License (GPL v2+)

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TUNTAP -- Virtual network interfaces for Mac OS X

https://tuntaposx.sourceforge.net/

License: BSD License

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WinTun -- Wintun is a very simple and minimal TUN driver for the Windows kernel

https://www.wintun.net/

License: GNU General Public License (GPL v2+)

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Boost 

License: Boost Software License, Version 1.0. https://www.boost.org/LICENSE_1_0.txt

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