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14 Third-party licenses
• VirtualBox may contain code from the gSOAP XML web services tools, which are
licensed under the license in chapter 14.2.13, gSOAP Public License Version 1.3a,
page 242 and
Copyright (C) 2000-2007, Robert van Engelen, Genivia Inc., and others.
• VirtualBox may ship with the application tunctl (shipped as VBoxTunctl) from
the User-mode Linux suite which is governed by the license in chapter 14.2.1,
GNU General Public License (GPL), page 218 and
Copyright (C) 2002 Jeff Dike.
• VirtualBox contains code from Chromium, an OpenGL implementation, which is
goverened by the licenses in chapter 14.2.14, Chromium licenses, page 249 and
Copyright (C) Stanford University, The Regents of the University of California,
Red Hat, and others.
• VirtualBox contains libcurl which is governed by the license in chapter 14.2.15,
curl license, page 251 and
Copyright (C) 1996-2009, Daniel Stenberg.
• VirtualBox contains dnsproxy which is governed by the license in chapter
14.2.16, dnsproxy license, page 252 and
Copyright (c) 2003, 2004, 2005 Armin Wolfermann.
14.2 Licenses
14.2.1 GNU General Public License (GPL)
GNU GENERAL PUBLIC LICENSE Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies of this license docu-
ment, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your freedom to share
and change it. By contrast, the GNU General Public License is intended to guarantee
your freedom to share and change free software–to make sure the software is free
for all its users. This General Public License applies to most of the Free Software
Foundation’s software and to any other program whose authors commit to using it.
(Some other Free Software Foundation software is covered by the GNU Library General
Public License instead.) You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not price. Our General
Public Licenses are designed to make sure that you have the freedom to distribute
copies of free software (and charge for this service if you wish), that you receive
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