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GNU GENERAL PUBLIC LICENSE
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Version 3, 19 November 2007


Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
of this license document, but changing it is not allowed.


Preamble
Preamble


The GNU General Public License is a free, copyleft license for
The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works.
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.


The licenses for most software and other practical works are designed
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom to
our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
share and change all versions of a program--to make sure it remains free
software for all its users. We, the Free Software Foundation, use the
software for all its users.
GNU General Public License for most of our software; it applies also to
any other work released this way by its authors. You can apply it to
your programs, too.


When we speak of free software, we are referring to freedom, not
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
free programs, and that you know you can do these things.


To protect your rights, we need to prevent others from denying you
Developers that use our General Public Licenses protect your rights
these rights or asking you to surrender the rights. Therefore, you have
with two steps: (1) assert copyright on the software, and (2) offer
certain responsibilities if you distribute copies of the software, or if
you this License which gives you legal permission to copy, distribute
you modify it: responsibilities to respect the freedom of others.
and/or modify the software.

For example, if you distribute copies of such a program, whether
gratis or for a fee, you must pass on to the recipients the same
freedoms that you received. You must make sure that they, too, receive
or can get the source code. And you must show them these terms so they
know their rights.

Developers that use the GNU GPL protect your rights with two steps:
(1) assert copyright on the software, and (2) offer you this License
giving you legal permission to copy, distribute and/or modify it.


For the developers' and authors' protection, the GPL clearly explains
A secondary benefit of defending all users' freedom is that
that there is no warranty for this free software. For both users' and
improvements made in alternate versions of the program, if they
authors' sake, the GPL requires that modified versions be marked as
receive widespread use, become available for other developers to
changed, so that their problems will not be attributed erroneously to
incorporate. Many developers of free software are heartened and
authors of previous versions.
encouraged by the resulting cooperation. However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
letting the public access it on a server without ever releasing its
source code to the public.


Some devices are designed to deny users access to install or run
The GNU Affero General Public License is designed specifically to
modified versions of the software inside them, although the manufacturer
ensure that, in such cases, the modified source code becomes available
can do so. This is fundamentally incompatible with the aim of
to the community. It requires the operator of a network server to
protecting users' freedom to change the software. The systematic
provide the source code of the modified version running there to the
pattern of such abuse occurs in the area of products for individuals to
users of that server. Therefore, public use of a modified version, on
use, which is precisely where it is most unacceptable. Therefore, we
a publicly accessible server, gives the public access to the source
have designed this version of the GPL to prohibit the practice for those
code of the modified version.
products. If such problems arise substantially in other domains, we
stand ready to extend this provision to those domains in future versions
of the GPL, as needed to protect the freedom of users.


Finally, every program is threatened constantly by software patents.
An older license, called the Affero General Public License and
States should not allow patents to restrict development and use of
published by Affero, was designed to accomplish similar goals. This is
software on general-purpose computers, but in those that do, we wish to
a different license, not a version of the Affero GPL, but Affero has
avoid the special danger that patents applied to a free program could
released a new version of the Affero GPL which permits relicensing under
make it effectively proprietary. To prevent this, the GPL assures that
this license.
patents cannot be used to render the program non-free.


The precise terms and conditions for copying, distribution and
The precise terms and conditions for copying, distribution and
modification follow.
modification follow.


TERMS AND CONDITIONS
TERMS AND CONDITIONS


0. Definitions.
0. Definitions.


"This License" refers to version 3 of the GNU General Public License.
"This License" refers to version 3 of the GNU Affero General Public License.


"Copyright" also means copyright-like laws that apply to other kinds of
"Copyright" also means copyright-like laws that apply to other kinds of
works, such as semiconductor masks.
works, such as semiconductor masks.


"The Program" refers to any copyrightable work licensed under this
"The Program" refers to any copyrightable work licensed under this
License. Each licensee is addressed as "you". "Licensees" and
License. Each licensee is addressed as "you". "Licensees" and
"recipients" may be individuals or organizations.
"recipients" may be individuals or organizations.


To "modify" a work means to copy from or adapt all or part of the work
To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of an
in a fashion requiring copyright permission, other than the making of an
exact copy. The resulting work is called a "modified version" of the
exact copy. The resulting work is called a "modified version" of the
earlier work or a work "based on" the earlier work.
earlier work or a work "based on" the earlier work.


A "covered work" means either the unmodified Program or a work based
A "covered work" means either the unmodified Program or a work based
on the Program.
on the Program.


To "propagate" a work means to do anything with it that, without
To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy. Propagation includes copying,
computer or modifying a private copy. Propagation includes copying,
distribution (with or without modification), making available to the
distribution (with or without modification), making available to the
public, and in some countries other activities as well.
public, and in some countries other activities as well.


To "convey" a work means any kind of propagation that enables other
To "convey" a work means any kind of propagation that enables other
parties to make or receive copies. Mere interaction with a user through
parties to make or receive copies. Mere interaction with a user through
a computer network, with no transfer of a copy, is not conveying.
a computer network, with no transfer of a copy, is not conveying.


An interactive user interface displays "Appropriate Legal Notices"
An interactive user interface displays "Appropriate Legal Notices"
to the extent that it includes a convenient and prominently visible
to the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License. If
work under this License, and how to view a copy of this License. If
the interface presents a list of user commands or options, such as a
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.
menu, a prominent item in the list meets this criterion.


1. Source Code.
1. Source Code.


The "source code" for a work means the preferred form of the work
The "source code" for a work means the preferred form of the work
for making modifications to it. "Object code" means any non-source
for making modifications to it. "Object code" means any non-source
form of a work.
form of a work.


A "Standard Interface" means an interface that either is an official
A "Standard Interface" means an interface that either is an official
standard defined by a recognized standards body, or, in the case of
standard defined by a recognized standards body, or, in the case of
interfaces specified for a particular programming language, one that
interfaces specified for a particular programming language, one that
is widely used among developers working in that language.
is widely used among developers working in that language.


The "System Libraries" of an executable work include anything, other
The "System Libraries" of an executable work include anything, other
than the work as a whole, that (a) is included in the normal form of
than the work as a whole, that (a) is included in the normal form of
packaging a Major Component, but which is not part of that Major
packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that
Component, and (b) serves only to enable use of the work with that
Major Component, or to implement a Standard Interface for which an
Major Component, or to implement a Standard Interface for which an
implementation is available to the public in source code form. A
implementation is available to the public in source code form. A
"Major Component", in this context, means a major essential component
"Major Component", in this context, means a major essential component
(kernel, window system, and so on) of the specific operating system
(kernel, window system, and so on) of the specific operating system
(if any) on which the executable work runs, or a compiler used to
(if any) on which the executable work runs, or a compiler used to
produce the work, or an object code interpreter used to run it.
produce the work, or an object code interpreter used to run it.


The "Corresponding Source" for a work in object code form means all
The "Corresponding Source" for a work in object code form means all
the source code needed to generate, install, and (for an executable
the source code needed to generate, install, and (for an executable
work) run the object code and to modify the work, including scripts to
work) run the object code and to modify the work, including scripts to