Questions tagged [gpl]

The GNU's General Public License, a commonly-used free software license. The GPL has various versions, v1-v3, so use this tag only for questions talking about overarching issues of the licenses or shared characteristics. For example, for a question about a unique section on version 3, use the [gpl-3] tag.

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Open Source license which allows only me for commercial use [duplicate]

I'm developing an application. I want to open source my application for non-commercial use in Github(I guess GPL v3). And I want to retain the rights to redistribute the same software with some ...
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4answers
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Can an NDA block GPL freedom number 4?

Let's say a company modifies a GPLv3 software. All it's employees can use the modified software and have access to the modified source code. The company's employees don't have the right to distribute ...
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2answers
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Distributing software that downloads and uses GPL-licensed software

License in question is GNU GPLv3 (http://www.gnu.org/licenses/quick-guide-gplv3.html). Abstract Context: I have written a software A that downloads a docker image of software B as part of the ...
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2answers
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making a GPL compiler for a non-GPL target language

I want to release as GPL a compiler which target language is opensource but not GPL. its license only says: "These files are made available to you on an as-is and restricted basis, and may only ...
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1answer
37 views

upload own GPLed project in a private github repository

I have a piece of code of my own that I want to use in a company that I'm working on. How can I protect it from being owned by the company? I'm not going to make it public yet, so is it a good idea to ...
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1answer
21 views

CC-BY-SA 3.0 and (A)GPLv3

I'd like to ask a more general question and then I'd like to ask a more detailed one based on my specific case. Suppose that I'm writing a software I'm planning to release under the terms of the ...
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1answer
23 views

(L)GPL software on devices provided for internal use

As far as I understand, there can be issues with (L)GPL-licensed software in code-signing contexts where modified code is not allowed to run. Now, suppose an organization (for example, a company or a ...
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1answer
56 views

Selling / Providing Customers a Service on an Embedded Device with an Open Source OS

I have researched this question quite a lot on stackexchange but my thoughts are inconclusive, the different licenses involved and options by the distribution vendors are giving me a headache. My ...
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1answer
37 views

Can original author transfer rights for GPLv3 project to other person?

Let's have one guy who have been working on game and published it as GPL open source project. After some time, community forks popped out, while original author got increasingly tired of his project ...
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3answers
42 views

How to properly attribute other's people work on GitHub?

I have an open source project (under GPL license) that has some parts incorporated from other projects (that use MIT and GPL), and one of the provisions of both of these licenses is The above ...
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0answers
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Do significant changes to code allow a license change from 3-BSD to something else? [duplicate]

Suppose person X writes some library foolib, licensing it under the 3-BSD license. Person Y now takes the foolib sources and develops it further, making significant changes: More functionality, ...
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1answer
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Is it possible/necessary to add Classpath Exception to LGPL?

I see people comparing the GPL with a Classpath exception to the standard LGPL. Does this mean that LGPL already has the Classpath exception or some language already similar enough to it? If not, can ...
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1answer
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Where can I find a final, authoritative, clear list of how to handle “license snippets” for common licenses?

I am looking for an authoritative, clear and up-to-date document on what exactly a person or an institution has to do for the so-called "license snippets"/"license notice" for ...
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1answer
52 views

Dealing with multiple contributions in a 30+ years old software project

Context: I'm working on an old software project which dates back to 1988. I collaborate with its main author who created the program back then and originally published it under non-free license in the ...
2
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1answer
35 views

How should I deal with GPL-licensed alpine os packages when using ASP .NET Core?

I am using ASP .NET Core environment on alpine docker container (https://hub.docker.com/_/microsoft-dotnet-aspnet) and worried about license violations, as there are some GPL-licensed alpine OS ...
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1answer
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Implications of Google v Oracle decision for GPL

What (if any) are the implications of the recent Supreme Court decision in Oracle v Google. It sets precedent that APIs are fair use. But how does this work with GPL? Specifically, imagine the ...
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1answer
51 views

Can I change a Mozilla Public License Version 2.0 project I forked to GPL v3?

I forked a Mozilla Public License Version 2.0 licensed app and made some changes. I want to publish the app, but I want anybody who uses my code to have to adhere to GPL v3. Since GPL v3 is more ...
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1answer
24 views

R package licensing when using modified functions from another GPL-3 package

I have a question regarding choosing a license for my R package. I started putting together some R functions that I wrote during my Master's thesis. One of the function I want to include is a modified ...
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1answer
42 views

How to license my wordpress plugin after development under GPL?

I have created a wordpress plugin but I have no knowledge of licensing. I have already read the wordpress article - "Including a Software License" under wordpress plugin handbook. Do I need ...
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1answer
107 views

Possibilities to use a GPL-v3 licensed library in a closed-source game

Licensing is absolutely not my topic and I'm currently trying to learn about it while developing my game. I'm trying to implement the espeak-ng library into my game, so I can use it to generate robot ...
6
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1answer
300 views

Is it possible to use a LGPLv3 plug-in in a GPLv2 program?

From the license point of view: Is it possible to use a plugin written under "LGPLv3+" in a program protected by "GPLv2"? The plugin is built as a ".so" library and at ...
2
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1answer
58 views

Sign and distribute unmodified GNU GPLv2, MIT and Apache2 Linux packages

Software component under a custom open-source license requires certain third-party GPLv2, Apache2, and MIT Linux packages: GPLv2 package is not part of the component but is usually used to integrate ...
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2answers
75 views

Do I have to pay for Linux and Browser on commercial hardware product?

We planned to build a machine with integrated Raspi running on Raspian Buster. To control the machine we developed a web-based software using .net core 5.0, no part of the software is GPL-ed If we ...
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1answer
56 views

About unlicensed files

I was trying to releasing a library with LGPL license. However I had discovered that many time ago I copied and pasted in the library a header file defining some constants. This file was found on the ...
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1answer
49 views

Add author email in GPL notice

in GPL FAQ there is this statement just after the notice example: Also add information on how to contact you by electronic and paper mail. I don't understand if this is mandatory, since in the ...
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2answers
61 views

Meaning of Plus symbol in GPLv2+ / LGPLv2.1+

I was checking the license compatibility of some open source software and I found out that sometimes software is released with a weird license like GPLv2+ / LGPLv2.1+. I'm not sure about the "...
2
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1answer
51 views

Section 14 of GPL(v3)

Section 14 of the GPL(v3) states: Revised Versions of this License. The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new ...
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1answer
27 views

What counts as derivative work in GPL-3.0?

So there's this app which is licensed under GPL-3.0 and there is a piece of code in that application that I like to use. My app is not by any way a copy/modification of the this app. Since the two ...
3
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1answer
105 views

Does the iPhone contains GPL-ed software? If so, is it legal?

I am watching this talk. At 9:54 the speaker says that there is GPL software in the iPhone (he says "you will see the GNU Public License"). Is it true? Doesn't GPL forbids redistribution in ...
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3answers
6k views

Can I relicense an abandoned GPL project if the copyright owners are no longer responsive?

Suppose I want to use GPL-copyrighted software in a closed-source project. With actively maintained projects I can contact the copyright holders to see if I can work out an agreement with them. But ...
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1answer
27 views

Can I start GPLed program within my code without making my program GPLed? [duplicate]

I have a program that I intended to release as MIT[0]. But I noticed that one of dependencies is GPLed. Fortunately I only use it via a system call to make final production step of graphics. my code ...
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4answers
4k views

Can I use GPL software to provide a commercial cloud service?

Rather than create my own software, can I just take existing GPL software and provide a cloud service around it? Will that be legal?
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1answer
123 views

Is the “similar in spirit” provision of the GPL legally binding?

Section 14 of the GPLv3 says: The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new versions will be similar in spirit to ...
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0answers
54 views

Helm charts with AGPL licenses

Some helm charts (for example https://github.com/minio/charts/blob/master/LICENSE) are using AGPL license. Helm chart is an instruction for helm https://helm.sh/ to deploy a cloud application to ...
17
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3answers
3k views

Is it possible that a future GPL version removes copyleft? [duplicate]

Let's imagine that for a reason the FSF publishes a new version of the GPL (v4) that would basically be a BSD license. What would that entail for the code licensed under GPL v2 or v3 ? I refer to the ...
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1answer
29 views

Use of a derivative of aGPL v3 licensed software as a single binary in my product

I intend to release a software product (package) that shall include an executable (binary) that makes use of a library licensed under GPL v3. The executable is not linked (neither statically nor ...
3
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1answer
129 views

Have there been any lawsuits involving breach of open source licences?

Here in Stack Exchange we have mentioned some cases of lawsuits involving open source projects that allegedly breached patents and were sued. I'm curious, however, in the opposite case: has anyone ...
2
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3answers
193 views

Is it legal to repackage GPL software and sell it on Microsoft Store, like GIMP?

I'm surprised to see people are selling GPL'd software on Microsoft Store. An example is GIMP. GIMP is GPL'd opensource image editing tool. There are some vendors on Microsoft Store have repackaged ...
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1answer
28 views

In repositories, does software under the LGPL include a copy of the GPL?

The repository for something that I need to use has 2 license txt. One which is the LGPL and the other the GPLv3. I heard from a member of their Discord that this is because the LGPL is an extension ...
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1answer
54 views

Why JSON license is uncompatible with GPL, but json format using in GPL licensed project like OpenJDK?

https://www.gnu.org/licenses/license-list.en.html#NonFreeSoftwareLicenses I find information that JSON license is not campatible with GPL. I need to use OpenJDK for development on Java, and use json ...
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0answers
23 views

What is the difference between GPL classpath exception and linking exception?

So I read that OpenJDK is under the GPLv2 with linking exception. What is a Classpath exception and a linking exception? The JDK that I'm using(Amazon Corretto which is a build of OpenJDK) is under ...
0
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1answer
70 views

What is the difference between jdk java net and OpenJDK

I'm fairly new to Java programming and I've recently read this article from Oracle(from September 2018). https://blogs.oracle.com/java-platform-group/oracle-jdk-releases-for-java-11-and-later. What ...
3
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1answer
92 views

Electron, Chromium and ffmpeg licencing confusion, how to build electron with licence compatible ffmpeg?

Intro: Recently I'm working on an electron based application that is free to use but also has subscription based services. It came to my attention that ffmpeg is shipped with electron, which has GPL/...
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1answer
74 views

Which GPL is suitable for the VS Code extension?

I wrote an extension for Visual Studio Code. VS Code source code is available under MIT license. But VS Code binaries are licensed under Microsoft product license. Under what GPL (latest versions) can ...
0
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1answer
61 views

GPL: How to “inherit” license from another project?

I'm writing a tool that heavily utilizes Git (without linking against parts of it, or using any of its source files in the code) through the cli interface. I would still like to license it under the ...
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1answer
42 views

Do we have to choose a GPL License when we use MIT, GPLv.2+, LGPL2.1, LGPL3, Apache 2.0 licensed libraries in our distribution?

Our question more specific would be if the whole work has to be published (a must) under GPLv.3 or LGPLv.3 as the used gettext.inc, gettext.php, streams.php are GNU GPLv.2 or later and Smarty is ...
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3answers
2k views

What happens if a company releases third-party confidential code as open source?

This is very similar to this question: What happens if stolen software is published as Open Source? – but it doesn't exactly answer my question. This is also a thought experiment with no real ...
1
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1answer
71 views

Do I have to provide the build dependencies listed in a package build script to comply with GPLv2?

Problem description: For example in the case of alpine linux, there are APKBUILD scripts which reference the source files, the complete source code can be easily fetched with the abuild fetch command ...
2
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1answer
27 views

Is an installer/build script a GPL3 derivative work?

I'm currently creating installers/builders which will allow a specific Linux distro to be installed in a bunch of different container frameworks (Such as Docker). The distro is licensed under GPL3. Do ...
2
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1answer
42 views

Do you need to document your changes/modifications to a program under GPLv3?

I heard that you must document all your changes and modifications to a software under the GPLv3. Is this true? If I'm not distributing this software, do I have to document my changes/modifications. ...

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