Questions tagged [gpl]

Gnu General Public License

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14 views

Selling WordPress themes [duplicate]

I was wondering if I can sell a WordPress theme which is built on top of those themes that comes with WordPress when it's downloaded or download one for free, then modify it completely(I mean here, ...
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6 views

AGPL Licensed Software use without linking

Going over the AGPL license, it is very unclear to me what "linked" software means. When proprietary software displays an AGPL GUI inside of it, are they linked? i.e. There is a website that ...
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1answer
49 views

Can we use GPL3.0 software in our own software?

We're interested in a WordPress plugin available in the WordPress repository licensed with GPL3.0. We'd like to make some modifications, and then use it for a commercial project. Is this legal?
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1answer
25 views

Can I relicense GPL software I make even if there are contributors?

I am about to release an open-source library (it's a derivative, but the original is MIT licensed). I'm considering releasing under GPLv3, especially since my understanding is that as the copyright ...
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2answers
39 views

Could this interpretation of open source be compatible with GPL 2?

Supposing I made a fork of a project licensed under GPL 2 and made some modifications to it, could I then release source only by request, for only snapshots and not the stable build, without making ...
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1answer
81 views

Stolen code in a GPL repo

Quite an odd thing has happened. A software author as released a repo under GPL 3.0 license But inside that repo is code that the author doesn't own in any way and has no license. Now when people fork ...
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1answer
31 views

Ownership of sites and smart contracts

If I am an owner of a site, I can place restrictions on its usage even if the site software is licensed under an open source license such as GPL or AGPL, right? Which law allows me to place such ...
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2answers
91 views

I believe [program] violates GPL, do I need to sue the author before using its source code?

Let's say there's a program ("ABC") which is licensed under GPL. There's a similar program ("CAD") on the market, which I believe is a modified ABC. It is therefore in violation of ...
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2answers
71 views

Do I have to adhere to my own software licences for them to remain enforceable?

I have written a software application and an accompanying software library. When users use this application, they will write code externally to it which also makes use of the software library. The ...
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1answer
67 views

Does the acceptance of a software licence constitute a contract? Can such a contract be closed without using said software?

This question revolves around the (unresolved) question in the open source community, whether "dynamic linking" against a GPL-licensed library requires your software to be GPL-licensed, as well. I ...
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2answers
3k views

Copyright in copyleft licence?

Is the copyright mentioned in GPL v3 used just for the sake of defining the word? (It's not copyrighted, but the word encompasses the same actions that would violate the copyright if it was ...
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1answer
26 views

Can I get benefits of others' contributions to my GPL licensed software to use these contributions in my proprietary software?

I have my own code of a software, purely coded by me. I am intending to open source it, GPLv3 or Apache 2.0. Then I will add them to Github to let others get benefits of source code and contribute ...
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2answers
49 views

Can a company modify and use the source code of a GPLed library without selling it or releasing the modification?

I have a specific case here for which I could not find a clear answer here or on other pages. I am working for a company that is interested in using an open source code licensed under GPL v2.1. The ...
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1answer
50 views

“GPL version N or later”-licensed code and publishing an EULA as GPL v4

Oftentimes source code is licensed as "GPL version N or later". But what stops some company from taking their EULA, publishing it as GPL version 4 and happily using whatever code they want to use in a ...
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0answers
19 views

MIT/BSD plugin type software and GPL contamination / un-contamination?

Assuming a software Foobar that is GPL3, and assume a exterior plugin that is licensed MIT (or BSD). My understanding is that when a user, Joe, uses Foobar and the plugin, the plugin itself is ...
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1answer
46 views

Selling second hand and copyright

If I sell a bit of GPL'ed software I am required to provide source code, or an offer of same. This is based on the "distribution" clause of the GPL. According to this question, if I sell GPL'ed ...
2
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1answer
80 views

GPL and private sale

If a company sells a device containing GPL licensed code they need to provide the source code when asked. Does this apply to private sales, e.g. if I sell an used device that I bought on ebay, would ...
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1answer
33 views

Implications of changing terms of a free license (LGPL, Apache, MIT, Eclipse, etc) after I started using software on old terms

While creating my software (as a developer / startup owner) I rely on the fact that I can use some (software) library for free. I also rely on the fact that I can use it for commercial purpose and ...
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0answers
63 views

Asking for the unencrypted version of a file in an open-source project?

Let's say that an open-source project, such as a GNU GPL one, uses git-crypt and has added private, encrypted files, such as ssh private keys to the committed git repository. Wouldn't John Doe be in ...
3
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1answer
58 views

GPL: Does changing makefiles and configurations considered as “modifications”?

I know that editing GPL source code is considered as a "modification", which means all the copyleft rules apply. However, most software includes configuration files and makefiles which you can tweak ...
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3answers
87 views

GPL-3.0's “Open-Sourceness”, Images and Image Formats

I took an SVG image from a set which is distributed under GPL-3.0 and used it as (a large) part of an icon I made to a software of mine, which is also distributed under GPL-3.0. So far, everything is ...
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2answers
31 views

Copyright holder and license of the output files produced by a libre software

Consider for example the libre software LAMMPS, which uses GNU General Public License. The user writes an input file. Then the software performs some calculations based on the instructions in the ...
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1answer
64 views

Enforce GPL v3.0 with software modules

I develop a software that consists of a core application and several optional modules. I would like to license the core and all modules that were developed by me under the GPL v3.0. In addition to ...
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2answers
70 views

Does utilizing “copyleft” programs like git and gcc imply that the output has to be under the same license?

GPL v2.0 states the following as git's license: 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 ...
2
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2answers
144 views

GPL Licensed code as separate process

We are going to use a GPL licensed application as separate process inside a docker. So here's how it works: Main app ships to client, it doesn't have any GPL code. Does have lots of things and ...
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1answer
95 views

Are there any AGPL-style licences that require source code modifications to be public?

So my understanding of the AGPL, is that it requires modifications to be distributed to the users of the network service, but I'm looking for a licence that would require any modifications (non-...
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1answer
103 views

How to enforce GPL if the copyright holder doesn't have access to the source code of violating software?

I'd like to publish a C library project that I have written on GitHub and license it under GPL, so I am doing some research on open source licenses and some confusion comes to mind. Let's say Evil ...
2
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1answer
121 views

Can I use my own Open Source code in commercial software I'm writing?

If I release some code that I wrote myself with an Open Source license (a WordPress plugin with the GPL2 license, https://www.gnu.org/licenses/gpl-2.0.html), can I then use my own code in commercial ...
2
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1answer
61 views

Websites using GPL-licensed libraries

If a customer of yours pays you to develop a website (not to buy it, so he doesn't receive a copy of the software), the website uses GPL libraries or frameworks, and the site is installed in a server ...
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2answers
256 views

Is it legal for manufacturers to lock bootloaders on Android phones?

Some backgroud : A bootloader is a very low level piece of software that runs first and loads an operating system of some other tool. On a lot of new Android devices the bootloader is "locked", that ...
3
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2answers
93 views

Can I use GPLv3 license in my project even if I am below 18 years old

My question is can I license my Game project with GPLv3 and have my name right of the copyright notice even if I am below 18?
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1answer
71 views

Code compatible with a GPL licensed program published under a different license (GNU gettext)

Context: The Python standard library already contains a gettext module roughly compatible with the original GNU gettext library. Simply this module does not use the hash tables present in mo files to ...
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0answers
36 views

GNU application in work other than software

As we know, GPL is intended especially for software products, but it may be used for any work if the creator thinks it is OK. If the original work and a modified work are both software, I see no ...
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1answer
64 views

What happens if open hardware infringes existing patent?

For example, maker community builds a machine implying/related to technologies/concepts under patent, and licenses these under GPL. What are the consequences? Example: electronic beam welding patent ...
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1answer
100 views

Developing software under GPLv3 and selling the source code

I am a software freelancer (basically, I own a software company which is just myself), so legally, I'm the bearer of responsibility. Recently, I have been asked to develop a piece of software. ...
0
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1answer
48 views

Using Qt with LPGL license for a revenue generating, non-distributed private project

I am planning on porting my Python based TradingBot to C++ due to Python's GIL limitation. I have looked up a few c++ libraries like boost and Qt. I'm more inclined to use Qt because of its excellent ...
2
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3answers
303 views

Is there a loophole in the GPL allowing binary-only distribution?

I asked this question a long time ago here, which was the wrong place, and got a bunch of conflicting answers from a bunch of non-lawyers. I'm hoping for a more definitive answer here, ideally from ...
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1answer
81 views

Is the output of a generator tool copyrighted? [GPL3 and CC BY-SA 3.0]

I am developing a game right now and wanted to use character sprites created by a generator under a GPL and CC BY-SA 3.0 license. In my understanding the GPL license does not cover the output of the ...
3
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1answer
63 views

What are the potential legal consequences for a company that has GPL violations?

In the news recently was that the smartphone company Xiaomi has not released the kernel source code for its Android phone that has been on the market for over 3 months. Since Android is based on the ...
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2answers
52 views

Can the GPL be applied to non-software projects?

I have an idea that I would like to distribute, but I do not want any legal restrictions (as in patents) to be applied to my idea. The idea is not all software (it is a smartphone design), so would it ...
2
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2answers
153 views

Is it a GPLv3 violation for a project to charge a fee for downloading binaries?

Is it a GPLv3 violation for a project to charge a fee for downloading binaries? Concretely I am wondering about this case: http://moodeaudio.org/ The project is clearly licenced under GPLv3 as stated ...
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0answers
81 views

Does the GNU Affero GPL help to protect against closed source if the application is run on a remote server?

Edit The point is that my application does not involve network interaction and so won't do any modifications to it. Instead it provides an interface for receiving local input (e.g. a file) and ...
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0answers
77 views

Can I modify a program under GPL to use an incompatible library and publish the source?

The GPL disallows linking to a GPL-incompatible library. However, reading the GPL it seems to me this only applies to distribution of binaries. So, is it allowed to modify a program under the GPL to ...
4
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1answer
204 views

Enforcing GPL without copyright

From what I understand the GPL license can only be enforced by the copyright holder. Therefore, given a scenario like this: A developer finds an abandoned software project licensed under GPL. S/he ...
2
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2answers
110 views

Can I use a GPL in a closed-source program by having a very large download file and a very small download speed?

Let's say I manage to expand (opposite of compress in this context) the source code of a GPL-derivative I made to an unusually large amount that is nearly impossible to download (let's say a ...
2
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1answer
2k views

Using R packages for commercial use

I have produced a couple of wordclouds and charts using packages in R. Is it ok to use Wordcloud and ggplot2 packages (they are licenced under GPL and LGPL) commercially for producing documents and ...
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1answer
128 views

Stolen GPL program (a hypothetical case)

I learned that there is no requirement to distribute the source for an non-distributed (that is used only inside the company) GPL licensed software. But what if a hacker steals it and puts online? ...
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2answers
194 views

Does Github's License Grant clause in the ToS make one legally liable?

The popular Git Repository hosting service used by many open-source projects Github recently adopted a new Terms of Service. I am puzzled by the implications of the License Grant Section. Which is ...
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1answer
217 views

Can I distribute the vtd-xml Java JAR (uses a GPLv2 license) with my commercial product and keep my product closed-source?

Can I distribute vtd-xml with my commercial product without having to share my source code? I came across this article and now I'm really confused: https://opensource.com/law/14/7/lawsuit-threatens-...
2
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1answer
182 views

CopyFree, LGPL & GPL: is Closed Source Possible?

I am working on building an app for desktop deployment. I am using an open-source platform that, for the purposes of this question, can be considered to use a CopyFree license. That platform itself ...