tap-windows6 license -------------------- The source and object code of the tap-windows6 project is Copyright (C) 2002-2014 OpenVPN Technologies, Inc. The NSIS installer is Copyright (C) 2014 OpenVPN Technologies, Inc. and (C) 2012 Alon Bar-Lev. The installer.dll MSI helper is Copyright (C) 2018-2019 WireGuard LLC. All are released under the GPL version 2. See COPYRIGHT.GPL for the full GPL license. The licensors also make the following statement borrowed from the SPICE project: With respect to binaries built using the Microsoft(R) Windows Driver Kit (WDK), GPLv2 does not extend to any code contained in or derived from the WDK ("WDK Code"). As to WDK Code, by using or distributing such binaries you agree to be bound by the Microsoft Software License Terms for the WDK. All WDK Code is considered by the GPLv2 licensors to qualify for the special exception stated in section 3 of GPLv2 (commonly known as the system library exception). The tap-windows.h file has been released under the MIT license (see COPYRIGHT.MIT) as well as under GPLv2 (see COPYRIGHT.GPL). This has been done to allow the use of the header file in non-GPLv2 compatible projects.