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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Is it permitted to prohibit a certain individual from using software that's under the AGPL license?

I recently found an open-source class library that declares that it "has the permission to prohibit a certain individual from using it" and I can't stop wondering if I published an open-...
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2 answers
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Is database migration script covered by GPL?

I am using a product whose code is covered by GPL2. All fine except that when a major update is released, it relies on database changes which are effected by a script (sometimes hundreds of lines long)...
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Why does the clause 3 of 4-clause BSD makes it incompatible with GPL?

As explained on the GNU GPL site, the 4-clause BSD is incompatible with GPL because of the clause 3 which states: All advertising materials mentioning features or use of this software must ...
6 votes
3 answers
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Implications of using GPL licenced code only during testing

Let's say I'm working on a software library in which certain unit tests rely on GPL licensed code but the code that a user of this library would install on their system does not interact with GPL ...
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6 votes
2 answers
643 views

Including resources with ambiguous license for GPL application

I'm creating a GPL v3 application. I've found some graphics on www.flaticon.com that I would like to use in the application. The application will be distributed as binary, but with the resources as-is ...
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6 votes
3 answers
852 views

Usage of GPL program as optional external tool

My software is designed to use third-party external tools if the user wishes to do so. Some users would like to use GPL-covered binaries as external tools (i.e. they tell my software "use this dll to ...
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6 votes
1 answer
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GPL vs. obligatory warranty

There are many countries on the world, where distributing products means to accept an obligatory warranty well. More clearly: if you buy a mainboard, and it is bad, the seller must re-take it (with ...
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6 votes
2 answers
572 views

How much access to the "original" code of a GPL-sourced project do I need to provide, personally?

There's a well-known GPL3 game on Google Play called Pixel Dungeon by watabou (which includes a game engine by watabou called "noosa" which is also GPL3), and it accepts donations in the app. The game ...
6 votes
1 answer
703 views

Can you purchase the right to distribute GPLv3 code without disclosing source code?

WhatsApp uses the Signal protocol which is licensed under GPLv3. Am I right to assume that they should legally be required to publish their source code since they use the Signal protocol on binaries ...
6 votes
1 answer
360 views

Opensource license ownership and collaboration

If a person releases their source under some Open source license. And later if another person contributes to the project through a pull request (in Github). Then, does the contributor gets a say if ...
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6 votes
2 answers
956 views

If MIT licensed code links to GPL licensed code what should be the license of the resulting binary program?

Scenario: I have written a program that uses a GPLv2 library. The source code to my program is publicly available under an MIT license. For the sake of this example let's say my program links to the ...
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6 votes
1 answer
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NDA with GPL software: can the author decide how/when to disclose?

The GPL FAQ states that is not permitted to sign NDAs when distributing software, as it would be a violation of the redistribution freedom. Let A be an entity that develops a feature on top of an ...
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1 answer
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License for R scripts

As long as I understood a piece of code is data for the interpreter and thus according to this Q&A an R script is not automatically licensed under GPL. Is that correct? So if I make an R script ...
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1 answer
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Can I put ads on a GPLv3 project and upload it to Google Play?

I forked a messaging app on github and added my modification on top of it and it started to build an audience in my country because of the unique ad-on feature I have added. The app acts as an SMS ...
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6 votes
1 answer
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Is AGPL Compatible with GPL for the purposes of BSL License Change

I would like to license two products, one with AGPL, one with GPL. The requirement we have is that we want to keep the initial release until BSL, but thereafter OSS is fine. I believe the most ...
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6 votes
2 answers
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AGPL-3.0 Software on a vending machine

Is it legal when i download a software under AGPL-3, modify it, put it on a vending machine and place the vending machine in a public place, where everybody can use it, without publishing the ...
6 votes
2 answers
994 views

Is it possible to keep GPL-licensed software internal?

Reading this question caused me to wonder: Is it even possible to keep a GPL-licensed software internal to one company? Am I correct in thinking that any employee who has access to it, would be free ...
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6 votes
1 answer
276 views

What part of Android will now have to be under the GPL?

Google said that “As an open-source platform, Android is built upon the collaboration of the open-source community,” a Google spokesperson told VentureBeat. “In our upcoming release of Android, we ...
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6 votes
1 answer
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Which license should I use when my project uses plugins under various licenses?

I am confused about choosing a license for my project. I have read some resources like Open Source Initiative and Choosealicense.com, though. My project is a mobile application for Android. Now, it's ...
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6 votes
1 answer
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Take a piece of GPL'ed code and put it in code under other license?

What happens if I take a small piece of code (~400 lines) that is licensed under GPLv2, and modify and use it in my own project? Am I now obliged to license my program under GPL, or can I use a more ...
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6 votes
1 answer
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Can I GPL licence a plugin for a non-free program

I am working on a plugin (in lua) for a proprietary program, but would like to make my plugin open source, and require that anyone making derivative works/plugins also do so. This seems like a good ...
6 votes
1 answer
275 views

What are my license obligations if I modify the object code of a GPL project?

I am modifying some STL files for 3d printing which originated from a GPL'd project, and though the originals are available, the "object code" STLs are easier to modify in my case. Ignoring the fact ...
6 votes
3 answers
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Redistributing MSVC runtime components with GPL application

A library I used in my native Visual C++ application was GPLv3-licensed; I found the GPL acceptable, and thus I was planning to make my application GPL-licensed as well. The application depends on ...
6 votes
1 answer
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Can GPL with linking exception be linked with GPL and non-GPL simultaneously?

Let's say I have: A GPL module with linking exception. A non-GPL module. A pure-GPL module. I know that module 1 can be linked with module 2. My questions are: Can I link module 1 with module 3? ...
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1 answer
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Bundling JetBrains OpenJDK in closed source software

I am developing a software that comes bundled with JDK. I am planning to use JetBrains OpenJDK for this purpose as it comes with swing support for HighDPI monitors. JetBrains OpenJDK can be found in ...
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2 answers
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Can I publish my iOS app store app code to GitHub under MIT/GPL

I am about to start developing an iOS app which will be published on Apple App Store. While developing this app, I am thinking to push all the code to GitHub public repository; pull requests from ...
6 votes
1 answer
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Will my app be copylefted if it uses the webservice of a GPL server?

I'm planning to code a mobile app that uses an opensource server liscenced in GPL. So my app will make webservices call to that server. Will I be obliged to publish the code of my mobile application?
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6 votes
1 answer
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Selling computers with GPL licensed applications pre-installed

I would sell somes computers, each computer: Contains a MariaDB database (GPL v2). Some web applications under apache/php (GPL v2 and/or GPL v3). These applications use MariaDB. I can't find an ...
6 votes
1 answer
369 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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6 votes
1 answer
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Opensource software company and license obligation

There is a company that uses opensource code licensed by GPLv2 and BSD, they have a page in their site that specifies a contact mail to request the opensource code and a list of the used open source ...
6 votes
1 answer
246 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 ...
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1 answer
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CLA as an exception to the GPL

If it is true that GPL exceptions can be made to apply to some individuals and not others, could the author of an open source program avoid the hassle of asking contributors to sign a Contributor ...
6 votes
1 answer
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Distributing a .NET Core project under GPL

Although the source code of the most .NET Core components is licensed under a MIT License, the binary files of the .NET Core runtime and other supporting libraries on NuGet are released under a more ...
6 votes
1 answer
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Applying GNU GPL and messages printed by a program

The full text of GNU GPL includes this advice: If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free ...
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6 votes
1 answer
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The GPL and PHP code

According to the GPL FAQ Where's the line between two separate programs, and one program with two parts? This is a legal question, which ultimately judges will decide. We believe that a proper ...
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1 answer
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For Software based on GPL library should I have to release software under GPL license or can I use MIT

I am currently building a generic rest framework and using Jersey and Grizzly as frameworks to build upon. Originally I planned to release (for commercial or public/private use) it under MIT license ...
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6 votes
1 answer
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A non-bloated license for documentation with the benefits of GPL?

In response to one of the FAQs, FSF has noted: It is possible to use the GPL for a manual, but the GNU Free Documentation License (GFDL) is much better for manuals. The GPL was designed for programs; ...
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6 votes
1 answer
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GNU AGPL/GPL 3.0 and Docker containers

So we have been discussing the implications of the GNU AGPL/GPL 3.0 license on our distributed code. I will make things, extremely simple. I hope. We will use AGPL in this example. We will write code....
6 votes
1 answer
256 views

Is Google Analytics compatible with GPL?

If i include Google Analytics JS code inside a php page GPL licensed (WordPress template), is it ok with GPL license? I'm asking beacause I think Google Analytics is not open source code.
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1 answer
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Can an interpreted program be under any license without restricted by its GPL'ed run-time environment?

If I write a run-time environment based on some GPL'ed libraries and separately write an program interpreter which is passively used by the run-time environment, can a program (which is intended to be ...
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6 votes
1 answer
2k views

Legal issues about embedded Linux

I am trying to modernize a current microcontroller solution with a new one based on embedded Linux (Debian), running on Allwinner A10 chips. I plan to make a Linux app doing all user-interface stuff, ...
user avatar
6 votes
3 answers
392 views

Source-only distribution of MIT-licensed project which depends on GPL library

I'm trying to understand exactly when a work becomes a "derivative work," and how it affects licensing of my project. In my situation, we have a scientific code that we have written which is ...
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5 votes
7 answers
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How do I license, "Use my code as per the GNU GPL, but don't put it on GitHub"

I recently received a "surprise" email asking a question about one of my GPL'ed projects, and referring to code downloaded from https://github.com/icaoberg/mimetex/ That was the first I ever heard ...
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4 answers
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How to change the licence of Java project from GNU/ GPL to MIT / BSD / Apache

I had developed a Java application which is connected to MySQL Workbench by using mysql-connector-java-8.0.21.jar file. When I deploy the project and send source code to the client he says that: The ...
5 votes
2 answers
3k views

How to make my iOS project source-closed while it must use open source code?

My colleague and I are writing a software named hin2n-ios, which is an implementation of n2n (a peer to peer VPN software) on iOS platform. So it is inevitable to call or use the code of n2n. the n2n ...
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In the GPL definition, if I host a service on public cloud, does it mean I 'distribute' my service to the cloud provider?

Let's say I have a web service that links to a C library which is licensed under GPL. If I host this service on my own server, then I think I don't have to license my web service under GPL. This is ...
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5 votes
1 answer
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GPL - Is it required to post source code to the Public - when is a software released?

The GPL FAQ "Does the GPL require that source code of modified versions be posted to the public?" contains this statement (emphasis by me): The GPL does not require you to release your ...
5 votes
3 answers
998 views

Software is under GNU/GPLv3, which licence to chose for pictures taken from it?

So, I recently released a FOSS software with a GNU/GPLv3 licence and just realized that the software can be used to produce pictures. I want the pictures to be free (as in freedom) in any case and ...
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5 votes
3 answers
944 views

Asserting copyright infringement against closed source software using GPL code

Now consider two people A and B. A uses B's GPL code to make a software that is closed source and does not follow any other term imposed by the GPL. B files an infringement case against A. A says he ...
5 votes
3 answers
508 views

How to license scientific software to be open while protecting against misuse?

Note: This question is a revision of an earlier question, which MadHatter suggested should be revised into a new more specific question. Note that there is a lot of similarity between the questions; ...
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