Coppermine Photo Gallery is Copyright © 2003 - 2017 Coppermine Dev Team, All Rights Reserved.
v1.0 originally written by Grégory Demar.
This application is open source software released under the GNU GPL v3.Click to toggle the text of the GNU General Public license
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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End of Terms and Conditions
The Coppermine package contains a copy of this license as plain text file as well: read the file COPYING.txt in the root folder of the Coppermine package. Alternatively, go to the official page www.gnu.org/licenses/gpl.html for the original of the license and for (unofficial) translations into other languages and related information.
The license GNU GPL v3 that Coppermine comes with has been approved by the Open Source Initiative (OSI).
Versions prior to cpg1.4.13 used to be released under GNU GPL version
2. As the Free Software Foundation has released version 3 of the
license, we updated the license reference for cpg1.4.13 and all
subsequent releases of the cpg1.4.x, cpg1.5.x and cpg1.6.x accordingly.
Subsequently, all versions of Coppermine from that time on (2006-10-29) will be released under GNU GPL version 3.
The GNU GPL does not allow further restrictions of permissions except the additional terms that can be added according to section 7 of the GNU GPL v3.
Coppermine is being released under the GNU GPL with the following, GPL-compliant additional terms:
In versions prior to cpg1.5.x, the Coppermine group (aka
Coppermine Dev Team) required the preservation of the "Powered by
Coppermine" footer in a legible, unobscured manner in the output of all
pages generated by Coppermine-driven galleries.
This policy was changed with the release of cpg1.5.x. Starting with cpg1.5.x, it was no longer part of the license to keep this footer intact in legal terms. The reason for this change of policy lies in the nature of the internet and the fact that the Coppermine group doesn't have the funds nor inclination to enforce the preservation of the footer before legal courts. It has originally been made a requirement by the initial author of the first version of Coppermine. However, we ask you (the end user) to respect the wish of the original creator of Coppermine and keep the footer intact. Additionally, we have a strict policy on the Coppermine support forum that galleries with the footer tag removed will not receive support, as it is our choice to whom we give support. We're convinced that you should give credit where credit is due. We ask you to think twice before removing the tag, as it is meant to spread the word about Coppermine and give others who like your Coppermine-driven gallery the opportunity to get one of their own.
The Coppermine Dev Team welcomes that version 3 of the GNU GPL clarifies the legal aspect of author attributions and demands of any third parties to respect the full license, including the additional terms covered in this section of the documentation. This means that it is allowed to edit or remove the "Powered by Coppermine" tag from the output generated by Coppermine-driven galleries, however you are not allowed to remove the author attribution from the source code of Coppermine.
It is acceptable (fair use) to edit the "Powered by Coppermine" footer in a manner that explains who holds the copyrights of content displayed on a gallery.
For details on how to edit or remove the "Powered by Coppermine"-footer, please review the section Themes: Copyright-disclaimer in footer.
The Coppermine Dev Team requires as additional term of the license Coppermine comes with that modified versions of Coppermine conveyed to others should be marked in a reasonable way. Modified versions mustn't be conveyed to others under the same name as the original Coppermine release. Package name, source code and the output generated by the modified version should make it obvious for potential users that the modified version and the original Coppermine version that the modified version is based upon differ.
If you download Coppermine and modify it for use on your
webspace, you don't have to rename it - the above mentioned additional
term does not apply to you. It only applies if you make your modified
version available to others for download or other means of distribution.
We think that this helps both the Coppermine project as well as the author of the modified version: people who are using the modified version can find out easily where they can turn to for help. The author of the modification gets the credit he deserves. The Coppermine Dev Team can make sure that issues caused by third-party modifications have less impact on the reputation of the original package. This applies especially to so-called "ports", where the Coppermine core code is edited to work embedded into third-party content management systems or frameworks.
Port authors are encouraged to bundle a changelog or some other record with their port that clarifies what has been changed in "their" version of Coppermine, compared to the original from coppermine-gallery.net. Preferably, there should be notes that explain what version of coppermine the port is based on and what exactly has changed, e.g. what makes the port different. This is only a suggestion though and not a license add-on.
As you can see, the license that Coppermine comes with gives you a lot of freedom: it allows you to use it for free, to give it to others, to improve it or to make something different out of it. You can mash it up with other applications or use it standalone. This is what makes free and open source software so attractive for developers: not only is it available free of charge (although you can even try to sell it if you should find someone who's ready to pay for something that is available elsewhere for free), but it enables you to use your creativity and imagination to build something new out of it. We (the Coppermine dev team members) would love to see what you were able to accomplish with "our" application, so if you have a surprising, entertaining gallery, if you feature good, fresh content or amazing new features, please let us know about it on the corresponding thread on the official Coppermine site.
We respect freedom so much that we even can live with others abusing the freedom given to them: there are two aspects to the GNU GPL (or any other FOSS license): the text of the actual license and the spirit behind it (i.e. the reason why developers initially choose the GNU GPL for a fresh project). In legal terms, it's allowed to change the Coppermine package insignificantly (i.e. by changing one single line of code of the many thousand lines that Coppermine consists of) and then re-bundling it under another name that you have come up with or by adding credits to the person who performed the minor edit. That is being covered by the license as well, but in the opinion of the Coppermine Dev team members it is not what the license is about - it simply isn't fair use in our opinion. You might think that nobody would act so bluntly, but in fact that's what has happened already: a third party has performed a minor edit and then they changed the "Powered by Coppermine" tag at the bottom of the output of the gallery to link to their site instead of the official Coppermine Gallery homepage. On the homepage of the "spin-off" (where the site owner offers paid Coppermine support and webhosting with pre-installed coppermine galleries) the site owner constantly publishes flames against the original coppermine developers and the genuine package, trying to create the impression that there was a distinctive difference between "his" modified Coppermine package and the original from coppermine-gallery.net. We leave it up to the judgement of the Coppermine Community (i.e. our users) if they think that this is fair use.