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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2
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0answers
36 views

Can I use CC BY-NC software for machine learning and analysis purposes?

I have a task at work which requires me to build AI that can do general game playing. Contemplating this task, I have found several games that I would like to use in doing training and analysis to ...
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3answers
316 views

Must I notify copyright holders of GPL code when I modify it?

I recently was nominated co-maintainer of this GPL library https://github.com/coq-community/corn It does not use a copyright transfer agreement, historical authors are listed as copyright holders by ...
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1answer
43 views

Legally, is getting a js file from a server the same as installing npm package?

I'm working on a (most possibly) proprietary front-end React app for my company. We use this npm package as a plugin for TinyMce editor. Turns out, it has GPL v3 license, which isn't allowed as per ...
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1answer
43 views

putting on github the GPL code of a dead person

Jacques Pitrat was one of my intellectual masters, and the pioneer of French AI (his PhD thesis mentioned artificial intelligence in 1966). He was the president of the jury of my PhD defense (1990). ...
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0answers
32 views

Distribution of Python modules

For different reasons I have programmed several applications over time, using python. I have never shared them, they were only for personal use. But a friend of mine suggested that I make a website ...
2
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1answer
28 views

Does using a WebAssembly compiled GPL library require calling application to be GPL?

Specifically, I'm thinking of taking the libraries that squoosh.app (source) uses internally (imagequant, optipng, etc) and break them up into an image optimization webassemby set of libraries that ...
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2answers
1k views

Can GPLv2 licensed software be re-published under LGPLv2.1?

I have read Can LGPL 2.1 licenses software be re-published under GPL 3.0? and followed link to GPL license compatibility matrix in the GPL FAQ, which is confusing me a bit: If I understand the table ...
1
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1answer
60 views

Can downstream dual licensing be inferred?

Suppose a developer receives software from XX with a license permitting unlimited modification and redistribution as well as full ownership of any original content. The only restriction being no ...
2
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1answer
80 views

Forking a project with conflicting licenses

I’m forced to work with software that has been given incompatible licenses by its authors. They have created an original API that they’ve licensed under the GNU GPL, but then they implement that API ...
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2answers
65 views

What happens when a MIT licensed project uses Apache 2.0 drivers to connect to GPLv3 databases?

I'm working on a SaaS medical research startup project with a MIT license. The goal is for the source to be open (because then customers can help improve it and find bugs), and end-users who want to ...
2
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1answer
47 views

License for JSON database that prevents proprietary use

I'm building a database consisting of large JSON files, based on sources that are licensed under the public domain or CC-BY. I would like this database to remain open but I would also like to prevent ...
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1answer
62 views

GPL source code, Interacting with proprietary software using socket, is it a GPL violation?

I have a open source application (written in PHP), Which depends on daemon/service process to do certain tasks. This open source application communicates with daemon/service process using socket. ...
2
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1answer
35 views

Can I sell closed source plugins that interface with a GPL v2 software which is open sourced? [duplicate]

Basically, I have an idea for some software based on an Open Sourced application. If I was to build an application based off of that, and sell my plugins, would this be a breach of terms? This is the ...
2
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1answer
70 views

How can commercial products use GPL or LGPL libraries?

I would like to design a web app with a free and paid tier that will include a WYSIWYG editor. I'm considering the following options CKEditor - GPL TinyMCE - LGPLv3 QuillJS - BSD 3-Clause SlateJS - ...
2
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1answer
32 views

Licensing concerns when distributing a software package containing a GPLv2 third-party software

Scenario I have the following scenario: A software vendor wants to distribute their own commercial software (S1). S1 relies heavily on a third party GPLv2-licensed software (S2) to function. But: ...
4
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1answer
61 views

Can a GPL-licensed library be used in private development builds of a proprietary application?

I'm considering using this GPL-3.0-licensed library as a development aid in a game. Development builds that include this library (and other unrelated tools) would be used by myself and any parties ...
5
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1answer
52 views

Can I release an Excel Workbook with VBA code under the GPL v3?

This is my first foray into the open source world. I've got a Microsoft Excel workbook that I have some custom VBA modules in that I want to distribute under the GPL v3. I can't find much discussion ...
5
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1answer
78 views

GPL Application linked to a LGPL library loading proprietary-plugins

This is a bit similar to what asked in this question, unless that here the case is that the application only directly loads LGPL code, and this one then may dlopen a proprietary lib, so: GPL Program ...
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0answers
31 views

Release an application that uses Flutter under the GPL?

I want to write an Android application that uses Flutter. Flutter has the "BSD 3-Clause "New" or "Revised" License". But I want to release my application as an application under the GPL. Would it be ...
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2answers
50 views

Can I use dual license for a python package which uses library with GPL license?

I have created a python package with several files and directories out of which only one particular module requires a library (PyQt) with GPL license. Since GPL license of the used library puts a ...
0
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1answer
40 views

WordPress: only built plugin GPL licensed

We are developing WordPress plugins. As WordPress itself is GPL licensed we must publish our plugin as GPL, too. Our complete plugin development environment is built on top of a lot of devDependencies ...
2
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1answer
152 views

How to edit a “GPL version 2” code and provide it to the customer (to get paid)?

A customer (from a freelancer website, who awarded me this single project) has asked me to add some extra functionality to a Wordpress plugin which is licensed under "GPL version 2", the customer ...
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0answers
53 views

Can I distribute non-GPL code that uses GPL code as long as I don't distribute myself that GPL code

I have some doubts about source code re-distribution and GPL I wrote DummyLib, a library that includes AmazingLib (third-party lib, released under GPL) and links against ProprietarySDK (no source, ...
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1answer
74 views

Relicensing from Apache-2.0 to Apache-or-MIT

I'd like to relicense one of my projects from Apache 2.0 to Apache-or-MIT dual license for consistency with the outer community (Rust — see here), and to allow GPLv2 compatibility, which I was ...
3
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1answer
48 views

Does GPL affect use of GitHub Actions?

GitHub Actions is a continous-integration service by GitHub. You can create actions that other peaple use in order to e.g. test their code. Let's say, I license a github action with GNU GPLv3. Do ...
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2answers
9k views

Is Fairphone violating the GPL with its newest Fairphone 3?

Fairphone does not provide any source code for its Fairphone 3 phone. They admit this on their website and also confirmed this to me in an email: We really appreciate your feedback and concern, but ...
4
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2answers
106 views

Employer IP release and open source published code

Bob writes software for employer A and employer B. Bob has a general contract with employer A which states that any IP generated in the course of employment (whether during work hours or not) can be ...
3
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1answer
41 views

Appropriate copyleft license for translation files

I'm using a GPL license (with an AppStore exception) for my app and CC BY-SA for the images used in the app, as I know the GPL isn't appropriate for artwork. However, I'm wondering what I should ...
2
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1answer
54 views

How to use GPLv3 in open source project?

I want to use license GPLv3 in my open source project on GitHub. And I want to ask how can I do that? I have read an article and I have understood that: My repo has to have a file License, that ...
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0answers
29 views

Using GPL licensed software with commercial app [duplicate]

I've read some answers here (1, 2) regarding combining closed source apps and GPL licensed tools, but can't quite figure out my own situation. If I create a commercial app, which is dependent on the ...
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1answer
82 views

Does interacting with a (L)GPL licensed library through PHP7.4 FFI count as a derived work?

Problem description I recently wrote a PHP(7.3) wrapper for accessing some git functionality (I use git to create incremental backups). Another wrapper I wrote is for gpg (to encrypt my backups). ...
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1answer
33 views

Is an app required to be open sourced when the app is using a GPL library created by the organization that created the app?

Let’s say an organization writes a JavaScript library under the GPL license. Then let’s say the organization writes a web app which uses several MIT licensed libraries along with this GPL library ...
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2answers
67 views

Can the developer of GPL software assert copyright/usage claims over assets generated with that software?

Given that I create a 3d model of a tree using a GPL plugin in GPL 3D software (Blender). The addon generates this 3d tree model from scratch, using an algorithm. No other external assets are used. ...
3
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1answer
55 views

Closed source software with GPL dependencies

As I understand it, if I embed GPL licensed code into my application, then I would be compelled to furnish the source code (or at least make it available to them) to any customers. My question ...
2
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1answer
60 views

How can I use this GPLv2+ file in my MIT project?

I was having a programming problem and Google brought me to this blog, which refers to a GPLv2+ licensed file. However, I would like to keep my project MIT-licensed. What should I do? I'm considering ...
3
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1answer
31 views

Use sympy code in a GPL project

I'm currently working alone on a project that I intend to publish under the AGPL3+ license. I want to use parts of the Sympy source in it. The Sympy license says, that " Redistributions of source code ...
1
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1answer
33 views

Can GPL2/3 software installer have custom license?

Suppose I write some package manager which will install, manage (start, stop, send commands, write configuration files etc.) binary programs distributed under various GPL licenses but not incorporate ...
0
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2answers
80 views

GPL2 and React Native Component License

We got a notice from our internal legal team that we cannot use this react native component (https://www.npmjs.com/package/react-native-activity-recognition) because it uses GPL License and that ...
1
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1answer
47 views

If authors of open source software can be held liable for (accidentally) infringing (vaguely worded) software patents, why add one's name to it?

If person A writes software and says "I wrote it and this is my name", she can potentially be sued by a patent troll who says "I invented the program statement and the variable". If person A writes ...
2
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0answers
24 views

Does GPL cover single page web apps fully

If you're trying to make sure future changes to a single page app (including perhaps adding a backend API) are GPL'd, is it sufficient to release the code under the GPL, or is the AGPL required?
2
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2answers
110 views

What can a patent troll win by suing an open-source foundation e.g. GTK foundation?

Do open-source foundations have oodles and piles of cash lying around for patent trolls to scoop up? Are open-source softwares licensed under the GPL not immune to patent trolls since there is no ...
0
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1answer
74 views

Can a GPL'd library really not be used in a non-GPL application?

What text in the GPL says that a GPL'd library really cannot be used in a non-GPL application?
2
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2answers
100 views

Can I use a GPLv3 JavaScript library on a website I'm developing for a client?

I was intending on using a GPLv3 licensed JavaScript library on a website I'm developing for a client. This library would be part of the theme. Will this necessarily make the entire them GPLv3 so my ...
2
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0answers
28 views

Can I put a GPL licensed binary file in my proprietary software? [duplicate]

The source code of this binary is under GPL V2. In my software, I didn't use its code, I just execute this binary to do some tasks, nothing more. Is it legal?
2
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1answer
61 views

Using GPL modified system software in commercial projects

I have a commercial project which connects to a database (e.g. PostgreSQL) all licences are agreed at this moment. What should I do if I alter the database server with GPL (version 3 to be concrete) ...
0
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1answer
49 views

AGPL used with a modular framework, modules are not open source

As far as i understand, the AGPL license permits me to use the library (https://github.com/Corvusoft/restbed) for a server that faces the web and is publicly accessable, as long as the server it's ...
4
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1answer
70 views

Can I change the copyright holder name and year of an MIT license?

Can I change the copyright holder name when using a project of MIT license ? Example: Changing 'john' to 'Justin' in below license ? Copyright 2018 john Permission is hereby granted, free of charge,...
4
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1answer
81 views

Does distributing GPL software along with binary image force the binary image to be GPL too?

So: A hardware device has closed-source firmware running inside it (not based on any open-source code). Computer software to update the hardware's firmware exists, with a GPLv3 license. It takes a ...
3
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1answer
56 views

Legal consideration before development of a FFMPEG filter using named pipe for I/O to any forked program and

I would like to develop a ffmpeg filter to have an easier and better integration of the ffmpeg functionalities in case of complex command lines. Imagine an ffmpeg command line in which you can ...
20
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5answers
7k views

GPLv3 forces us to make code available, but to whom?

I've read that GPLv3 imposes that we should make the source code of our app available. But, available to whom? In case we sell our GPLv3 software, does it mean we have to make it available to those ...

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