Questions tagged [gpl-3]

The General Public License, offered by GNU. Use this tag if the question involves version 3 of the license.

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Is it possible to monetize the hosting of a GPL-v3 licensed app?

If I understood correctly, every derivative of a GPL-v3 licensed software is imbued with the GPL-v3 license. Does this mean that I have to disclose the code I used for the infrastructure that runs the ...
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1 vote
1 answer
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How do you legally get data out of a GPL or AGPL program?

After talking to a lot of people, they seem to give the impression that once the data goes into a GPL licensed program, it can only be extracted from that program by GPL licensed software. I am told ...
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How does using MIT Licensed code in a GPL or AGPL work affect the original licensed work?

In the GPLv3 license, it states: “Additional permissions” are terms that supplement the terms of this License by making exceptions from one or more of its conditions. Additional permissions that are ...
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Can GPL or AGPL talk to non-GPL software (via API, for example)?

Does the GPL or AGPL restrict programs from talking to other programs with other licenses via API? (i.e. transferring data.) Example scenario: Person 1 has Software A which has a GPL license. Person ...
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2 votes
1 answer
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How to use code licensed under GPL-3.0-or-later in a project licensed under GPL-3.0-or-later?

I'd like to use code from project A that was licensed under GPL-3.0-or-later in project B, which is also going to be licensed under GPL-3.0-or-later. What should the license headers in the source ...
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1 answer
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How to properly give credit to gpl3 code snippet

I have a simple MIT licensed project and need to include a about 10 lines of GPL3 code (some math stuff that needs to be the same). I know that i need to change the license of my project, give credit ...
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2 votes
0 answers
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Internal Python application and Python packages with multiple licenses

I am developing a tool for internal use in my company using Python and several Python packages. This tool uses different kinds of Python packages, all of which have one of GNU Public License, Lesser ...
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2 answers
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PyQt5 Commercial License

Suppose I do the following: I code out a very small python program (like no more than five hundred lines of code): I download relevant packages about PyQt5, opencv, numpy, math and matplotlib at ...
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-1 votes
2 answers
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Extend GPL v3 software with library under other license

The Signal Mobile app for iOS for messaging is licensed under GPL Version 3. Would it be permissible to implement some add-on library (some new authentication mechanism, say) under a different license ...
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2 votes
1 answer
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GPL v3: Limiting publication of personalized examples/filled in templates

This question is very similar to Canada Customs' "form is protected A when completed". I have a LaTeX style file and template that is basically a fill-in-the-blanks form (specifically this ...
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How to shorten the GPLv3 text [duplicate]

The question is simple: How should I shorten the text of GNU GPLv3 (674 lines) for adding it to the top of all the source files in a repository? As an example, here is a piece of text added to the top ...
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1 answer
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How am I expected to list my code's copyright and license under GPLv3?

Naïve question, I know, but what exactly is the standard for licensing code under GLPv3? Where should I list the copyright and the license? What specifically do I include at the top of each source ...
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1 answer
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Do I have to remove the license on zLib-licensed code project in order for it to be integrated into a GPL3, Apache2 or MIT-licensed codebase?

As the title states, if I take one code project that is under a zlib license, and incorporate it into a GPL3, Apache2 or MIT-licensed codebase, do I have to remove the license from the code project ...
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1 vote
2 answers
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Is the PDF output of LaTeX code licensed under GPLv3 also covered?

I have seen the similar question here Does "the GPL doesn't cover the ouput of a program" also apply if...... However, I think the use of LaTex to write a book with code examples that were ...
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3 votes
1 answer
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Contributing own code partially relying on a LGPL-3 python module, on an Apache2 Project?

My goal is to make a contribution to an open source Python project hosted on GitHub, which has an Apache 2.0 license. To do so, I wrote a few lines of code. However for a specific feature of my ...
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5 votes
2 answers
184 views

Adding user contributed code to repository under GNU GPL 3.0 License

I have a project that I created and released under the GNU GPL License v3.0. Today a user of the software contacted me and presented me with a list of improvements and the code necessary to implement ...
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3 votes
0 answers
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Are you required to license code under GPL if you're using TypeScript types from a GPL library?

I'm currently using a library that was licensed under the GNU General Public License (particularly GPL v3.0). This library consists mostly of types for software that is also under the GPL (but not ...
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20 votes
1 answer
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Is it legal for the author of an open source project to remove history of contributors' commits?

I am new to open-source world. I have contributed some code to an open-source project licensed under GPLv3 but with no contributor agreement license. Is it legal for the original author to upload the ...
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2 votes
0 answers
50 views

Using code licensed under an MIT license with code licensed under the GPL

Say I have a repository that uses the GPL and I want to include code from a repository under the MIT license. I found here that MIT and GPL licensed code can be freely combined; however, I am unsure ...
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2 votes
1 answer
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Can i modify a GPL v3 project and distribute it under GPL v3 license with my name?

Hello i was making a c plus plus program and the program uses some files of a project licensed under GNU GPL Version 3.0 When the program( i created) completes and i license it under GPL v3. Below is ...
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2 votes
1 answer
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If I'm using a MIT library in my project, can I license my project under GPLv3 license?

If I'm using a MIT library in my project, can I license my project under GPLv3 license? And which libraries Im allow to use if I want to license my project under GPL v3?
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8 votes
4 answers
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Can I keep images and other non-code assets copyrighted in a GPL codebase?

I have an Android app that I'm investigating adding the GPL3 license to. I have images and vectors that I do not want others to be able to use, as they are a part of my app's brand. I want others to ...
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2 votes
1 answer
569 views

GPLv3 restricting end user

There is software on GitHub which has with it the GPLv3 license file. Now, I am not going to mention which software to protect its devs from backlash. However... The devs have mentioned that they do ...
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3 votes
1 answer
74 views

Combining GPL v3 with SLA0044

I'm working on a project for the STM32 platform that I would like to open source under the GPL v3 license, however some of the libraries provided by ST that are required are license under their ...
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7 votes
3 answers
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Preventing commercial exploitation of small changes that require a lot of work

At my previous job I was responsible for building and maintaining a library in their ecosystem. The project is mature in the sense that no major new features are being implemented. It is still ...
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7 votes
2 answers
1k views

Can I have a GPL-compatible license that change by use?

I currently have a project that is licensed under LGPLv3. I would restrict its use so, if the library is used by financial people, war projects etc the license falls into GPL3. First, this kind of ...
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5 votes
1 answer
136 views

FFmpeg, libx265 and GPLv2/3 binary distribution

I have a question regarding FFmpeg binary distribution and libx265 and GPLv2/3 The FFmpeg documentation says that libx265 is GPLv2-or-later - https://www.ffmpeg.org/general.html#x265 - but the x265 ...
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2 votes
1 answer
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How do I license my code that needs to include code under 'GPLv2 only', 'GPLv3' and 'BSD 3'?

If I understand the table (mentioned at https://www.gnu.org/licenses/gpl-faq.html#AllCompatibility) correctly, I can use either 'LGPLv2.1 only' or 'LGPLv2.1 or later' for my code if I want to include ...
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How is "GPL-2 | GPL-3" to be interpreted?

A lot of packages in R (and I'm assuming in other languages as well) are licesed as "License: GPL-2 | GPL-3". Others as "GPL (>= 2)" and others as "MIT + file LICENSE"....
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1 vote
1 answer
57 views

Help with GPL license

So I want to use some code under GPLv3 for a project do we have to use GPLv3? The project I’m making costs money am I allowed to have free GPL code in a paid project? Do I have to make my source code ...
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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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-3 votes
1 answer
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Using GPL License Library separately in a Commercial Project

I am developing a WPF program (Program1) which can read/write data in my PostgreSQL Database. However, when I start to develop the Print PDF function, I found that the free PDFSharp/MigraDoc cannot ...
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5 votes
1 answer
247 views

Relicensing from GPLv2 only to GPLv3 and later

my question is hopefully clearly stated in the title. I have released software with the GPLv2 only license but later changed my mind and wanted to relicense it under GPLv3 or later. Is this possible ...
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0 votes
1 answer
68 views

Can I make my own Android library project source closed while it's being used by a GPLv3 main project?

I'm editing an Android program which under GPLv3 license. I want to let it send and receive encrypted packet, so I added a library project which encrypt and decrypt packet. The main project is under ...
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4 votes
1 answer
169 views

What is the meaning of "internal use" in the GPL 3?

I want to develop a specific module from a GPL 3 software in a partnership with a third company to share the costs. Can we each use it for our companies (meaning internal use) without having to ...
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1 vote
1 answer
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As a hardware developer (like arduino board etc.) does one have to license PCB's files under GPL if the included software uses GPL licensed parts?

Trying to understand opensource licenses as a hardware dev. Also I'm not fully understanding GPLv3 about Tivoization part. So If I use GPLv3 software parts, Do I obligated to design PCB that allows ...
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2 votes
1 answer
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GPL-v3 using along with closed source via REST API

I want to use CMS distributed under GPL-v3 licenses. I am building a web application with closed code and my app invokes via REST API backend under GPL-v3. Question: is it legal to use GPL-v3 along ...
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4 votes
1 answer
269 views

Does a GPL package in my frontend require my backend to be GPL?

I am making a web app and would like to use CKEditor5 with its non-commercial license (GNU General Public License Version 2 or later). I've read through this, but am still not sure I understand my ...
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0 votes
2 answers
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Using of google fonts on my project. Is I need some legal actions?

On my site I am using this fonts Roboto and Open Sans from Google Font which available under Apache 2.0 License. I added special link to source code of index page. Than I published code on GitHub ...
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1 vote
1 answer
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GPL on physical devices as a service

I have a (somewhat hypothetical) question regarding GPL on embedded systems. I know there are quite a few of them already out there, but I didn't find some which apply to this situation. First off: I ...
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1 vote
0 answers
52 views

Does injected CSS code count as derivative work?

There is a GPL web app. I want to make style modifications to it by injecting CSS code. The injected code aims to change some styles, but not all. For example, it will completely change the style of ...
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0 votes
0 answers
37 views

Distribute Nexus OSS with custom software

Nexus OSS is distributed using the Eclipse Public License. The Sencha Ext JS component belonging to Nexus OSS is licensed under GPL v3. Nexus Repository OSS is distributed with Sencha Ext JS pursuant ...
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2 votes
0 answers
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Proprietary app injecting CSS into a remote self-hosted GPL web-app in WebView

I'm building a proprietary application that loads into its WebView a remote, self-hosted GPLv2 licensed web application. I'm sure that loading a resource via WebView will not violate GPL (the web ...
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12 votes
6 answers
3k views

Distribute program with GPLv3 but need a subscription - How can this be made possible?

I am working on a Java framework that I would like to distribute with GPL V3 but as long as users have an active free subscription to certain site. Is it possible to do so ? Clarification - What I am ...
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0 votes
1 answer
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Does licensing a parent software under GPL v3.0 satisfy the licensing requirements of GPLv3/LGPL libraries used?

I have written two Java desktop programs that I would like to license under GPLv3 and distribute as executable JARs on Gitlab. The programs use Maven for dependencies and pull in GPLv3 and LGPL ...
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1 vote
1 answer
195 views

Is copyleft triggered for a backend service with GPLv3 dependency dynamically linked, if the backend exposes public API endpoints for mobile client?

I'm trying to figure out if GPLv3 copyleft is triggered for the following scenario: A company has a backend service written in a dynamically typed programming language. The service has a bunch of ...
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1 vote
1 answer
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How to publish research source code that modifies GPL v3 and LGPL v2.1 or later code, as well as uses MIT and MPL2 code?

I wrote a software simulation for my Bachelor's Thesis. For a statistical routine for the simulation, I adapted code from an LGPL v2.1 or later licensed library, without including the library, just ...
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9 votes
3 answers
2k views

Changing my own non-software project from GPLv3 to CC BY-SA

I have a growing project which is a platform for 3D printers. The project contains printable parts and bills of materials. I defaulted to releasing it under GPLv3 without much thinking but since it's ...
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3 votes
1 answer
143 views

GPL and original author's copyright text in completely rewritten code

I'm about to release my first "big" project on Github, and although I want it to remain open-source and I have no plan of selling it, I want to try to make this licensing stuff right for my ...
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9 votes
3 answers
3k views

GPLv3: "Provide source at no further charge" - is dual licencing a loophole?

I was reading this answer and started wondering about this particular part of the GPLv3: Convey the object code by offering access from a designated place (gratis or for a charge), and offer ...
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