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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39 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
18 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
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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
25 views

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
48 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
33 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
46 views

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
30 views

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
70 views

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
44 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
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What is the purpose of “or (at your option) any later version”? What if I don't want this?

Firstly, what is the exact purpose of the phrase "or (at your option) any later version" that usually accompanies GPL-licensed software? I get that it's supposed to be to allow future freedoms to be ...
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1answer
35 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
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 ...
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1answer
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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 ...
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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 ...
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1answer
71 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 ...
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1answer
56 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
72 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
60 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
48 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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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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2answers
59 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 "...
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1answer
50 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
25 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 ...
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2answers
1k views

Using the (L)GPL as an open-source hardware license?

I use the GPLv3 for my applications and the LGPLv3 for my libraries. In a similar fashion I'd like to use them for my open-source hardware projects (GPL for schematic and PCBs, LGPL for schematic ...
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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
2k views

Is it legal to multi-use a 100% GPL theme from ThemeForest?

If you go to the Google search site:https://themeforest.net/item/ This item is licensed 100% GPL, you will find a lot of GPL themes. Is it legal to use a theme which I buy once in multiple sites? (...
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2answers
176 views

Marketing GPL 3 software

I am planning on selling software which is licensed under GPL 3. I have gone through the terms and conditions listed in the GPL 3 license. However, I would like to know if any of the following ...
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1answer
26 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 ...
7
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1answer
121 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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3answers
2k views

Can the Linux kernel be released under GPLv3?

From the Wikipedia article on Linux: The Linux kernel is licensed explicitly only under version 2 of the GPL, without offering the licensee the option to choose "any later version", which is a ...
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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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4answers
1k views

If a project is released under GPLv3+ and GPLv4 is less restrictive what happens?

I've seen in multiple places project owners choosing to stick with GPLv2 to prevent the FSF from releasing a license that the project owners don't agree with but I've never seen reasoning beyond the ...
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3answers
191 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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0answers
50 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 ...
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1answer
28 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
123 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 ...
3
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1answer
694 views

Is it safe to use FreeType inside a proprietary closed-source software?

Many of libraries, that have LGPL or permissive licenses, depends on FreeType, that have multi-licensing (FTL/GPL). My question is: if FreeType can be used under any of these licenses, can someone ...
1
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1answer
27 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 ...
3
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1answer
86 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
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 ...
4
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1answer
64 views

Custom Linux distro Copyright and license notices

I am developing a commercial product that ships with a custom embedded Linux distro (similar to Yocto), and am in the process of collecting the copyright and license notices to comply with the GPL ...
14
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4answers
776 views

Does using GNU Unifont in a game make the game GPL?

GNU Unifont is a fontface licensed under the GNU GPLv2 or later with this exception: The license for the compiled fonts is covered by the above GPL terms with the GNU font embedding exception, as ...
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1answer
202 views

Distribution of Python modules

I've been thinking about create a couple of python-based applications and distributing them for free. My applications will be only for Windows since it is the system I use personally. What I am ...
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1answer
40 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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1answer
69 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 ...

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