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 [tag:gpl-3] tag.

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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 ...
2
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1answer
78 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 ...
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1answer
42 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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0answers
26 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
41 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 ...
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2answers
319 views

Under what licenses can I release open source software that uses PyQt?

Situation I have two software packages for which I need to choose a license and I'm not sure if they get along with the PyQt licensing schema (which uses the GNU GPL). Package A uses PyQt in a sense ...
1
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1answer
26 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
40 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
45 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 ...
7
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2answers
273 views

Can I make a derived work of a GPL project and a non GPL project for personal use?

In the GNU General Public License, version 2, some limits on how you can modify the Program are listed. Point 2.b states that (emphasis mine): You must cause any work that you distribute or publish,...
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1answer
46 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 ...
2
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1answer
45 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 ...
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1answer
29 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 ...
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0answers
30 views

GPL: Format of provided code? [duplicate]

When you distribute software licenced under GPL(v2+) you have to provide the source code with the software. How should the code be formatted? Could I provide an obfusfacted code with bad variable/...
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1answer
32 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 ...
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2answers
42 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 ...
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1answer
39 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
22 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?
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1answer
67 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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0answers
25 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
51 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
34 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
61 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 ...
4
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1answer
60 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,...
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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 ...
7
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1answer
333 views

GPL Licensed Woocommerce paid plugins

I have very basic question. I'm building website service where I want to use WooCommerce Subscription and Membership plugins. These plugins are paid on the official websites, but there is written ...
45
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12answers
9k views

Is GPL “for research purposes only” self-contradictory?

So I used a piece of software which claims to be open source and is licensed under "GPL for research purposes only". As far as I know, GPL 2 and 3 are not themselves free, in sense that you can't ...
4
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1answer
67 views

Can Apache/BSD application contain optional (commented out) hooks to link to GPL code?

I am an author of a non-GPL code that is distributed under an Apache license. There is a GPL2 library (not LGPL) that many users will commonly want to link to that provides part of our algorithm, but ...
4
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2answers
2k views

What if I don't know whether my program will be linked to a GPL library or not?

Suppose a program uses an API which has two implementations: An MIT implementation which uses GPL libraries A newer version of it which no longer uses any GPL libraries Neither is distributed along ...
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1answer
41 views

If my commercial application includes a GPL licensed Nuget package, do I need to open source my application?

Usually the nuget package is a dll after it is released. Do I need to open source the application that references it?
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6answers
5k views

Do the licences permit GPL- and BSD-licensed applications to be used for government work?

I want to use GIMP, Inkscape, and Lightzone for work in a government environment. Not modify the software, just use the applications. Does the license allow me to use the software in such environment? ...
3
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2answers
137 views

Using a GPL 3.0 parser generator for an MIT licensed program

If I used a GPL 3.0 licensed program like jacc to generate a parser generator which I incorporate into an MIT licensed program, do I have to release my program as GPL? Note that the grammar ...
3
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1answer
62 views

Use of GPL licensed driver in commercial project

In a commercial project for our customer, I would like to install a driver on all target machines. The driver is on sourceforge (http://com0com.sourceforge.net/). The website states that: The Null-...
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2answers
13k views

Why does Linux still use the GPLv2?

As I know, Linux intentionally avoids the switch from GPLv2 to GPLv3. It has the unfortunate side-effect, that it doesn't take part in the defense of the opensource world from the most recent danger, ...
3
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1answer
41 views

Help with how to approach a GPL license in a set of libraries

I'm working on a project right now that is essentially a set of libraries for game development. The idea is that these modules (in the form of DLLs, jars or other extensions) are open source and can ...
2
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3answers
50 views

Can I compile Qt applications statically for rented software

In cases where my software is only ever rented with a dedicated PC, is it permissable to compile Qt statically, as I would still technically own the program and it`s not being sold? Seems to be a bit ...
4
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2answers
64 views

How does GNU GPL work in a fullstack Android project?

What is the compatibility in terms of license with an API? For example: GPL license from the client side and PHP license from the server side, is it possible? Can the Android application contain ...
3
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1answer
40 views

Is the Qt Network Authentication module still LGPL?

I saw this question asking if QT Network Authentication module is licensed under LGPL or not. The answer states that since this module is not specified under Add-ons available under Commercial ...
2
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1answer
35 views

Open Source licences applications in R, RShiny and OpenCPU data outputs

So, first of all I do not want to sell any scripts or commercial applications that use R scrips or libraries. The Open Source is there for a reason and it should remain as it is. I would like to ...
3
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2answers
389 views

Can my thesis LaTeX source files contents be under GPL v3?

I want to release all the LaTeX source files (*.tex), when I publish my thesis. I do not want to just release the PDF. So everybody can build my thesis with a LaTeX compiler from its source code. Can ...
15
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4answers
6k views

Can others monetize my project with GPLv3?

I currently have a web game under the GNU General Public License v3.0 open sourced on GitHub. Recently I found out that someone else had forked the repository and is setting up AdSense on their ...
2
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1answer
79 views

I'm developing a library. Is there a license similar to GPL3 that doesn't force a license change for the project?

If an open source project is licensed under MIT, I want them to be able to use my library without changing their license to GPL3. However I still want developers of proprietary applications to make ...
4
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2answers
94 views

Is it possible to liberate source code through double-licensing changes?

Let me describe the situation: there's an old piece of software (a game) with source code publically available. Source code was (officially, legally) released with following non-free license: The ...
5
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1answer
55 views

Can I redistribute image containing GPLv2 and Apache2.0 software(packages) on Docker Hub?

I want to redistribute an image containing MySQL and Apache httpd. However, MySQL is GPL-2.0 licensed and Apache httpd is Apache-2.0 licensed. The two licenses are known to be incompatible. Do I have ...
26
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9answers
16k views

If someone else uploads my GPL'd code to Github without my permission, do they not put it at risk of being stolen by Microsoft?

I was alarmed to see that someone uploaded one of my old GPL'd projects to Github. Github has refused to remove it however, and suggests I contact the uploader who is completely anonymous and cannot ...
5
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1answer
79 views

If a non-GPL program is illegally linking to a GPL library, can I assume that program automatically became GPL?

I found a proprietary program which is illegally linking to a GPL library. Since the GPL states that programs which link to GPL libraries must also be GPL, does this mean that I can assume that by ...
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1answer
21 views

Do I have to include a copy of GPL 2 if I'm using LGPL 2.1 (or later)?

According to FSF, to use LGPL in my library, I have to include both the copy of GPL & LGPL. I understand that the reason being LGPL 3 is now written as additional permissions over GPL 3. However, ...
0
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1answer
65 views

Can the fine print (ToS) of Github permit them to seize copyright of my code if someone else uploaded it? [duplicate]

I was alarmed to see that someone uploaded one of my old GPL'd projects to Github. I don't use Github or any other Microsoft product. Github has refused to remove it however, and suggests I contact ...
1
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1answer
35 views

GPL/LGPL license: convey source code by linking to original author

Scenario: you distribute your program in binary format, and it uses a GPL or LGPL library. In addition to the required conditions on your part of the application, you must offer a way to obtain the ...
2
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1answer
62 views

Add source file in Apache 2.0 licensed project

I want to add a source file (which is under GPL v2.0 (not in v2.0+)) in a project which is under Apache 2.0 license. As mentioned on GNU's website Please note that this license is not compatible ...