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Author : Affero
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AFFERO GENERAL PUBLIC LICENSE
Version 1, March 2002
Copyright © 2002 Affero Inc.
510 Third Street - Suite 225, San Francisco, CA 94107,
USA
This license is a modified version of the GNU General Public License
copyright (C) 1989, 1991 Free Software Foundation, Inc. made with
their permission. Section 2(d) has been added to cover use of software
over a computer network.
Everyone is permitted to copy and distribute verbatim
copies of this license document, 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 Affero 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 Public License applies to most of Affero's software and
to any other program whose authors commit to using it. (Some other Affero
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. This General Public License is 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 source code or
can get it if you 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.
To protect your rights, we need to make restrictions
that forbid anyone to deny you these rights or to ask you to surrender
the rights. These restrictions translate to certain responsibilities
for you if you distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program,
whether gratis or for a fee, you must give the recipients all the
rights that you have. 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.
We protect your rights with two steps: (1) copyright
the software, and (2) offer you this license which gives you legal
permission to copy, distribute and/or modify the software.
Also, for each author's protection and ours, we want
to make certain that everyone understands that there is no warranty
for this free software. If the software is modified by someone else
and passed on, we want its recipients to know that what they have is
not the original, so that any problems introduced by others will not
reflect on the original authors' reputations.
Finally, any free program is threatened constantly by
software patents. We wish to avoid the danger that redistributors
of a free program will individually obtain patent licenses, in effect
making the program proprietary. To prevent this, we have made it clear
that any patent must be licensed for everyone's free use or not licensed
at all.
The precise terms and conditions for copying, distribution
and modification follow.
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work
which contains a notice placed by the copyright holder saying it
may be distributed under the terms of this Affero General Public License.
The "Program", below, refers to any such program or work, and a "work
based on the Program" means either the Program or any derivative work
under copyright law: that is to say, a work containing the Program or a
portion of it, either verbatim or with modifications and/or translated
into another language. (Hereinafter, translation is included without limitation
in the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification
are not covered by this License; they are outside its scope. The
act of running the Program is not restricted, and the output from
the Program is covered only if its contents constitute a work based
on the Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the
Program's source code as you receive it, in any medium, provided
that you conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the notices
that refer to this License and to the absence of any warranty; and give
any other recipients of the Program a copy of this License along with
the Program.
You may charge a fee for the physical act of transferring
a copy, and you may at your option offer warranty protection in exchange
for a fee.
2. You may modify your copy or copies of the Program
or any portion of it, thus forming a work based on the Program,
and copy and distribute such modifications or work under the terms
of Section 1 above, provided that you also meet all of these conditions:
* a) You must cause the modified files
to carry prominent notices stating that you changed the files and
the date of any change.
* b) You must cause any work that
you distribute or publish, that in whole or in part contains or
is derived from the Program or any part thereof, to be licensed as
a whole at no charge to all third parties under the terms of this License.
* c) If the modified program normally
reads commands interactively when run, you must cause it, when started
running for such interactive use in the most ordinary way, to print
or display an announcement including an appropriate copyright notice
and a notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under these
conditions, and telling the user how to view a copy of this License.
(Exception: if the Program itself is interactive but does not normally
print such an announcement, your work based on the Program is not required
to print an announcement.)
* d) If the Program as you received
it is intended to interact with users through a computer network
and if, in the version you received, any user interacting with the
Program was given the opportunity to request transmission to that
user of the Program's complete source code, you must not remove that
facility from your modified version of the Program or work based on
the Program, and must offer an equivalent opportunity for all users
interacting with your Program through a computer network to request
immediate transmission by HTTP of the complete source code of your modified
version or other derivative work.
These requirements apply to the modified work as a whole.
If identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works
in themselves, then this License, and its terms, do not apply to
those sections when you distribute them as separate works. But when
you distribute the same sections as part of a whole which is a work
based on the Program, the distribution of the whole must be on the terms
of this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote
it.
Thus, it is not the intent of this section to claim rights
or contest your rights to work written entirely by you; rather,
the intent is to exercise the right to control the distribution of
derivative or collective works based on the Program.
In addition, mere aggregation of another work not based
on the Program with the Program (or with a work based on the Program)
on a volume of a storage or distribution medium does not bring the
other work under the scope of this License.
3. You may copy and distribute the Program (or a work
based on it, under Section 2) in object code or executable form under
the terms of Sections 1 and 2 above provided that you also do one
of the following:
* a) Accompany it with the complete
corresponding machine-readable source code, which must be distributed
under the terms of Sections 1 and 2 above on a medium customarily
used for software interchange; or,
* b) Accompany it with a written offer,
valid for at least three years, to give any third party, for a charge
no more than your cost of physically performing source distribution,
a complete machine-readable copy of the corresponding source code,
to be distributed under the terms of Sections 1 and 2 above on a
medium customarily used for software interchange; or,
* c) Accompany it with the information
you received as to the offer to distribute corresponding source code.
(This alternative is allowed only for noncommercial distribution
and only if you received the program in object code or executable form
with such an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of
the work for making modifications to it. For an executable work,
complete source code means all the source code for all modules it
contains, plus any associated interface definition files, plus the
scripts used to control compilation and installation of the executable.
However, as a special exception, the source code distributed need not
include anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the operating
system on which the executable runs, unless that component itself accompanies
the executable.
If distribution of executable or object code is made
by offering access to copy from a designated place, then offering
equivalent access to copy the source code from the same place counts
as distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute
the Program except as expressly provided under this License. Any
attempt otherwise to copy, modify, sublicense or distribute the
Program is void, and will automatically terminate your rights under
this License. However, parties who have received copies, or rights,
from you under this License will not have their licenses terminated
so long as such parties remain in full compliance.
5. You are not required to accept this License, since
you have not signed it. However, nothing else grants you permission
to modify or distribute the Program or its derivative works. These
actions are prohibited by law if you do not accept this License. Therefore,
by modifying or distributing the Program (or any work based on the Program),
you indicate your acceptance of this License to do so, and all its
terms and conditions for copying, distributing or modifying the Program
or works based on it.
6. Each time you redistribute the Program (or any work
based on the Program), the recipient automatically receives a license
from the original licensor to copy, distribute or modify the Program
subject to these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties
to this License.
7. If, as a consequence of a court judgment or allegation
of patent infringement or for any other reason (not limited to patent
issues), conditions are imposed on you (whether by court order, agreement
or otherwise) that contradict the conditions of this License, they
do not excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent license
would not permit royalty-free redistribution of the Program by all those
who receive copies directly or indirectly through you, then the only
way you could satisfy both it and this License would be to refrain entirely
from distribution of the Program.
If any portion of this section is held invalid or unenforceable
under any particular circumstance, the balance of the section is
intended to apply and the section as a whole is intended to apply in
other circumstances.
It is not the purpose of this section to induce you to
infringe any patents or other property right claims or to contest
validity of any such claims; this section has the sole purpose of
protecting the integrity of the free software distribution system, which
is implemented by public license practices. Many people have made generous
contributions to the wide range of software distributed through that
system in reliance on consistent application of that system; it is up
to the author/donor to decide if he or she is willing to distribute software
through any other system and a licensee cannot impose that choice.
This section is intended to make thoroughly clear what
is believed to be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted
in certain countries either by patents or by copyrighted interfaces,
the original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. Affero Inc. may publish revised and/or new versions
of the Affero General Public License from time to time. Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.
Each version is given a distinguishing version number.
If the Program specifies a version number of this License which
applies to it and "any later version", you have the option of following
the terms and conditions either of that version or of any later version
published by Affero, Inc. If the Program does not specify a version number
of this License, you may choose any version ever published by Affero,
Inc.
You may also choose to redistribute modified versions of this program under any version of the Free Software Foundation's GNU General Public License version 3 or higher, so long as that version of the GNU GPL includes terms and conditions substantially equivalent to those of this license.
10. If you wish to incorporate parts of the Program into other
free programs whose distribution conditions are different, write
to the author to ask for permission. For software which is copyrighted
by Affero, Inc., write to us; we sometimes make exceptions for this.
Our decision will be guided by the two goals of preserving the free
status of all derivatives of our free software and of promoting the
sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE
IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS
AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST
OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR
AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY
WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE,
BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL
OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR
A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
Chronology :
May 06, 2017 : Affero General Public License (AGPL) - Version 1 -- Added.
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