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                    GNU AFFERO GENERAL PUBLIC LICENSE
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                       Version 3, 19 November 2007
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 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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 Everyone is permitted to copy and distribute verbatim copies
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 of this license document, but changing it is not allowed.
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                            Preamble
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  The GNU Affero General Public License is a free, copyleft license for
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software and other kinds of works, specifically designed to ensure
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cooperation with the community in the case of network server software.
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  The licenses for most software and other practical works are designed
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to take away your freedom to share and change the works.  By contrast,
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our General Public Licenses are intended to guarantee your freedom to
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share and change all versions of a program--to make sure it remains free
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software for all its users.
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  When we speak of free software, we are referring to freedom, not
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price.  Our General Public Licenses are designed to make sure that you
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have the freedom to distribute copies of free software (and charge for
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them if you wish), that you receive source code or can get it if you
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want it, that you can change the software or use pieces of it in new
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free programs, and that you know you can do these things.
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  Developers that use our General Public Licenses protect your rights
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with two steps: (1) assert copyright on the software, and (2) offer
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you this License which gives you legal permission to copy, distribute
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and/or modify the software.
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  A secondary benefit of defending all users' freedom is that
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improvements made in alternate versions of the program, if they
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receive widespread use, become available for other developers to
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incorporate.  Many developers of free software are heartened and
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encouraged by the resulting cooperation.  However, in the case of
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software used on network servers, this result may fail to come about.
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The GNU General Public License permits making a modified version and
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letting the public access it on a server without ever releasing its
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source code to the public.
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  The GNU Affero General Public License is designed specifically to
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ensure that, in such cases, the modified source code becomes available
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to the community.  It requires the operator of a network server to
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provide the source code of the modified version running there to the
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users of that server.  Therefore, public use of a modified version, on
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a publicly accessible server, gives the public access to the source
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code of the modified version.
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  An older license, called the Affero General Public License and
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published by Affero, was designed to accomplish similar goals.  This is
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a different license, not a version of the Affero GPL, but Affero has
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released a new version of the Affero GPL which permits relicensing under
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this license.
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  The precise terms and conditions for copying, distribution and
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modification follow.
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                       TERMS AND CONDITIONS
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  0. Definitions.
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  "This License" refers to version 3 of the GNU Affero General Public License.
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  "Copyright" also means copyright-like laws that apply to other kinds of
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  To "modify" a work means to copy from or adapt all or part of the work
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  To "propagate" a work means to do anything with it that, without
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infringement under applicable copyright law, except executing it on a
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public, and in some countries other activities as well.
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  An interactive user interface displays "Appropriate Legal Notices"
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  1. Source Code.
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  The "source code" for a work means the preferred form of the work
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  The Corresponding Source need not include anything that users
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  The Corresponding Source for a work in source code form is that
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  All rights granted under this License are granted for the term of
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copyright on the Program, and are irrevocable provided the stated
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conditions are met.  This License explicitly affirms your unlimited
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permission to run the unmodified Program.  The output from running a
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covered work is covered by this License only if the output, given its
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rights of fair use or other equivalent, as provided by copyright law.
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keep intact all notices of the absence of any warranty; and give all
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  You may charge any price or no price for each copy that you convey,
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    a) The work must carry prominent notices stating that you modified
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    b) The work must carry prominent notices stating that it is
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    c) You must license the entire work, as a whole, under this
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    d) If the work has interactive user interfaces, each must display
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  A compilation of a covered work with other separate and independent
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used to limit the access or legal rights of the compilation's users
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  6. Conveying Non-Source Forms.
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  You may convey a covered work in object code form under the terms
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    d) Convey the object code by offering access from a designated
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    e) Convey the object code using peer-to-peer transmission, provided
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  A separable portion of the object code, whose source code is excluded
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  A "User Product" is either (1) a "consumer product", which means any
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suffice to ensure that the continued functioning of the modified object
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  Corresponding Source conveyed, and Installation Information provided,
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  "Additional permissions" are terms that supplement the terms of this
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License by making exceptions from one or more of its conditions.
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Additional permissions that are applicable to the entire Program shall
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apply only to part of the Program, that part may be used separately
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  Moreover, your license from a particular copyright holder is
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reinstated permanently if the copyright holder notifies you of the
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violation by some reasonable means, this is the first time you have
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received notice of violation of this License (for any work) from that
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copyright holder, and you cure the violation prior to 30 days after
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your receipt of the notice.
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  Termination of your rights under this section does not terminate the
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licenses of parties who have received copies or rights from you under
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this License.  If your rights have been terminated and not permanently
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reinstated, you do not qualify to receive new licenses for the same
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material under section 10.
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  9. Acceptance Not Required for Having Copies.
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  You are not required to accept this License in order to receive or
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run a copy of the Program.  Ancillary propagation of a covered work
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occurring solely as a consequence of using peer-to-peer transmission
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to receive a copy likewise does not require acceptance.  However,
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nothing other than this License grants you permission to propagate or
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modify any covered work.  These actions infringe copyright if you do
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not accept this License.  Therefore, by modifying or propagating a
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covered work, you indicate your acceptance of this License to do so.
433 12 pfleura2
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  10. Automatic Licensing of Downstream Recipients.
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  Each time you convey a covered work, the recipient automatically
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receives a license from the original licensors, to run, modify and
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propagate that work, subject to this License.  You are not responsible
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for enforcing compliance by third parties with this License.
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  An "entity transaction" is a transaction transferring control of an
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organization, or substantially all assets of one, or subdividing an
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organization, or merging organizations.  If propagation of a covered
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work results from an entity transaction, each party to that
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transaction who receives a copy of the work also receives whatever
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licenses to the work the party's predecessor in interest had or could
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give under the previous paragraph, plus a right to possession of the
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Corresponding Source of the work from the predecessor in interest, if
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the predecessor has it or can get it with reasonable efforts.
450 12 pfleura2
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  You may not impose any further restrictions on the exercise of the
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rights granted or affirmed under this License.  For example, you may
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not impose a license fee, royalty, or other charge for exercise of
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rights granted under this License, and you may not initiate litigation
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(including a cross-claim or counterclaim in a lawsuit) alleging that
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any patent claim is infringed by making, using, selling, offering for
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sale, or importing the Program or any portion of it.
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  11. Patents.
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  A "contributor" is a copyright holder who authorizes use under this
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License of the Program or a work on which the Program is based.  The
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work thus licensed is called the contributor's "contributor version".
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  A contributor's "essential patent claims" are all patent claims
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owned or controlled by the contributor, whether already acquired or
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hereafter acquired, that would be infringed by some manner, permitted
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by this License, of making, using, or selling its contributor version,
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but do not include claims that would be infringed only as a
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consequence of further modification of the contributor version.  For
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purposes of this definition, "control" includes the right to grant
472 12 pfleura2
patent sublicenses in a manner consistent with the requirements of
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this License.
474 12 pfleura2
475 12 pfleura2
  Each contributor grants you a non-exclusive, worldwide, royalty-free
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patent license under the contributor's essential patent claims, to
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make, use, sell, offer for sale, import and otherwise run, modify and
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propagate the contents of its contributor version.
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  In the following three paragraphs, a "patent license" is any express
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agreement or commitment, however denominated, not to enforce a patent
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(such as an express permission to practice a patent or covenant not to
483 12 pfleura2
sue for patent infringement).  To "grant" such a patent license to a
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party means to make such an agreement or commitment not to enforce a
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patent against the party.
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  If you convey a covered work, knowingly relying on a patent license,
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and the Corresponding Source of the work is not available for anyone
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to copy, free of charge and under the terms of this License, through a
490 12 pfleura2
publicly available network server or other readily accessible means,
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then you must either (1) cause the Corresponding Source to be so
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available, or (2) arrange to deprive yourself of the benefit of the
493 12 pfleura2
patent license for this particular work, or (3) arrange, in a manner
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consistent with the requirements of this License, to extend the patent
495 12 pfleura2
license to downstream recipients.  "Knowingly relying" means you have
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actual knowledge that, but for the patent license, your conveying the
497 12 pfleura2
covered work in a country, or your recipient's use of the covered work
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in a country, would infringe one or more identifiable patents in that
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country that you have reason to believe are valid.
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  If, pursuant to or in connection with a single transaction or
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arrangement, you convey, or propagate by procuring conveyance of, a
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covered work, and grant a patent license to some of the parties
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receiving the covered work authorizing them to use, propagate, modify
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or convey a specific copy of the covered work, then the patent license
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you grant is automatically extended to all recipients of the covered
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work and works based on it.
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  A patent license is "discriminatory" if it does not include within
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the scope of its coverage, prohibits the exercise of, or is
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conditioned on the non-exercise of one or more of the rights that are
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specifically granted under this License.  You may not convey a covered
513 12 pfleura2
work if you are a party to an arrangement with a third party that is
514 12 pfleura2
in the business of distributing software, under which you make payment
515 12 pfleura2
to the third party based on the extent of your activity of conveying
516 12 pfleura2
the work, and under which the third party grants, to any of the
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parties who would receive the covered work from you, a discriminatory
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patent license (a) in connection with copies of the covered work
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conveyed by you (or copies made from those copies), or (b) primarily
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for and in connection with specific products or compilations that
521 12 pfleura2
contain the covered work, unless you entered into that arrangement,
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or that patent license was granted, prior to 28 March 2007.
523 12 pfleura2
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  Nothing in this License shall be construed as excluding or limiting
525 12 pfleura2
any implied license or other defenses to infringement that may
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otherwise be available to you under applicable patent law.
527 12 pfleura2
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  12. No Surrender of Others' Freedom.
529 12 pfleura2
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  If conditions are imposed on you (whether by court order, agreement or
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otherwise) that contradict the conditions of this License, they do not
532 12 pfleura2
excuse you from the conditions of this License.  If you cannot convey a
533 12 pfleura2
covered work so as to satisfy simultaneously your obligations under this
534 12 pfleura2
License and any other pertinent obligations, then as a consequence you may
535 12 pfleura2
not convey it at all.  For example, if you agree to terms that obligate you
536 12 pfleura2
to collect a royalty for further conveying from those to whom you convey
537 12 pfleura2
the Program, the only way you could satisfy both those terms and this
538 12 pfleura2
License would be to refrain entirely from conveying the Program.
539 12 pfleura2
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  13. Remote Network Interaction; Use with the GNU General Public License.
541 12 pfleura2
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  Notwithstanding any other provision of this License, if you modify the
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Program, your modified version must prominently offer all users
544 12 pfleura2
interacting with it remotely through a computer network (if your version
545 12 pfleura2
supports such interaction) an opportunity to receive the Corresponding
546 12 pfleura2
Source of your version by providing access to the Corresponding Source
547 12 pfleura2
from a network server at no charge, through some standard or customary
548 12 pfleura2
means of facilitating copying of software.  This Corresponding Source
549 12 pfleura2
shall include the Corresponding Source for any work covered by version 3
550 12 pfleura2
of the GNU General Public License that is incorporated pursuant to the
551 12 pfleura2
following paragraph.
552 12 pfleura2
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  Notwithstanding any other provision of this License, you have
554 12 pfleura2
permission to link or combine any covered work with a work licensed
555 12 pfleura2
under version 3 of the GNU General Public License into a single
556 12 pfleura2
combined work, and to convey the resulting work.  The terms of this
557 12 pfleura2
License will continue to apply to the part which is the covered work,
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but the work with which it is combined will remain governed by version
559 12 pfleura2
3 of the GNU General Public License.
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  14. Revised Versions of this License.
562 12 pfleura2
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  The Free Software Foundation may publish revised and/or new versions of
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the GNU Affero General Public License from time to time.  Such new versions
565 12 pfleura2
will be similar in spirit to the present version, but may differ in detail to
566 12 pfleura2
address new problems or concerns.
567 12 pfleura2
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  Each version is given a distinguishing version number.  If the
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Program specifies that a certain numbered version of the GNU Affero General
570 12 pfleura2
Public License "or any later version" applies to it, you have the
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option of following the terms and conditions either of that numbered
572 12 pfleura2
version or of any later version published by the Free Software
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Foundation.  If the Program does not specify a version number of the
574 12 pfleura2
GNU Affero General Public License, you may choose any version ever published
575 12 pfleura2
by the Free Software Foundation.
576 12 pfleura2
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  If the Program specifies that a proxy can decide which future
578 12 pfleura2
versions of the GNU Affero General Public License can be used, that proxy's
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public statement of acceptance of a version permanently authorizes you
580 12 pfleura2
to choose that version for the Program.
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  Later license versions may give you additional or different
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permissions.  However, no additional obligations are imposed on any
584 12 pfleura2
author or copyright holder as a result of your choosing to follow a
585 12 pfleura2
later version.
586 12 pfleura2
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  15. Disclaimer of Warranty.
588 12 pfleura2
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  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
590 12 pfleura2
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
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HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
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THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
595 12 pfleura2
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
596 12 pfleura2
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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  16. Limitation of Liability.
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  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
602 12 pfleura2
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
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GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
604 12 pfleura2
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
605 12 pfleura2
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
606 12 pfleura2
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
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EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
608 12 pfleura2
SUCH DAMAGES.
609 12 pfleura2
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  17. Interpretation of Sections 15 and 16.
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  If the disclaimer of warranty and limitation of liability provided
613 12 pfleura2
above cannot be given local legal effect according to their terms,
614 12 pfleura2
reviewing courts shall apply local law that most closely approximates
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an absolute waiver of all civil liability in connection with the
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Program, unless a warranty or assumption of liability accompanies a
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copy of the Program in return for a fee.
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                     END OF TERMS AND CONDITIONS
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            How to Apply These Terms to Your New Programs
622 12 pfleura2
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  If you develop a new program, and you want it to be of the greatest
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possible use to the public, the best way to achieve this is to make it
625 12 pfleura2
free software which everyone can redistribute and change under these terms.
626 12 pfleura2
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  To do so, attach the following notices to the program.  It is safest
628 12 pfleura2
to attach them to the start of each source file to most effectively
629 12 pfleura2
state the exclusion of warranty; and each file should have at least
630 12 pfleura2
the "copyright" line and a pointer to where the full notice is found.
631 12 pfleura2
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    <one line to give the program's name and a brief idea of what it does.>
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    Copyright (C) <year>  <name of author>
634 12 pfleura2
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    This program is free software: you can redistribute it and/or modify
636 12 pfleura2
    it under the terms of the GNU Affero General Public License as published by
637 12 pfleura2
    the Free Software Foundation, either version 3 of the License, or
638 12 pfleura2
    (at your option) any later version.
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    This program is distributed in the hope that it will be useful,
641 12 pfleura2
    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU Affero General Public License for more details.
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    You should have received a copy of the GNU Affero General Public License
646 12 pfleura2
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
647 12 pfleura2
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Also add information on how to contact you by electronic and paper mail.
649 12 pfleura2
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  If your software can interact with users remotely through a computer
651 12 pfleura2
network, you should also make sure that it provides a way for users to
652 12 pfleura2
get its source.  For example, if your program is a web application, its
653 12 pfleura2
interface could display a "Source" link that leads users to an archive
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of the code.  There are many ways you could offer source, and different
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solutions will be better for different programs; see section 13 for the
656 12 pfleura2
specific requirements.
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  You should also get your employer (if you work as a programmer) or school,
659 12 pfleura2
if any, to sign a "copyright disclaimer" for the program, if necessary.
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For more information on this, and how to apply and follow the GNU AGPL, see
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<http://www.gnu.org/licenses/>.