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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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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1answer
36 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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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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1answer
41 views

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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1answer
207 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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1answer
61 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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I don't want the other company to release our custom changes to the GPL software [duplicate]

I would like to co-develop specific modules with a partner company. We would both be contributors. Is there any way, by contract (NDA) or creation of a specific company, to prevent these specific ...
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1answer
84 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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1answer
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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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1answer
95 views

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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1answer
116 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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2answers
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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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1answer
45 views

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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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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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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0answers
48 views

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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6answers
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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1answer
33 views

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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1answer
89 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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1answer
44 views

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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3answers
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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1answer
71 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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3answers
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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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1answer
64 views

Can I use source code released under MPL-2.0 in a software released under GPLv3?

As the title says. So there's this open source project I'm forking. The original was released under GPLv3. Now I want to introduce additional features based on a different open source project, but ...
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1answer
3k views

Can I sell UNMODIFIED Open source software without providing the actual source code?

Since everyone can sell open source software, modified or unmodified, at any price, under GPL and MPL as long as I know, can I do it without providing the source code since the recipients are just &...
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1answer
56 views

Is the Ender 3 V2 licensed under the same license as the original?

Somewhere in 2018, it was a big deal when Chinese company Creality made their Ender 3 printer 'truly open source', as acknowledged by the Open Source HardWare Association. See for example this YouTube ...
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1answer
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Are "semiconductor masks" under copyright in the GNU GPL?

Here's a part of the GNU GPL 3.0: 0. Definitions. "This License" refers to version 3 of the GNU General Public License. "Copyright" also means copyright-like laws that apply to other kinds of ...
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2answers
114 views

What sort of requirements apply to (A)GPL software on an SSH server?

I'm trying to better understand the GNU AGPL. The only thing the AGPL is concerned with beyond the GPL is remote interaction: if you modify the Program, your modified version must prominently offer ...
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1answer
53 views

Can I delete or recreate my repository freely if it have code under GPLv3?

I have a public repository on GitHub with project and source code under GPLv3. Can I freely drop repository and close project if I don't want to develop it. And after some years maybe I want publish ...
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4answers
5k views

Can an NDA block GPL freedom number 4?

Let's say a company modifies a GPLv3 software. All it's employees can use the modified software and have access to the modified source code. The company's employees don't have the right to distribute ...
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1answer
33 views

Can I use together React SPA under GPLv3 with materials from wikipedia under CC-SA 3.0?

I have a plan create non-commercial React SPA like a demo of my skills for own portfolio. Source code of my work will be available on GitHub under GPLv3. I want to use parts of text materials from ...
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1answer
125 views

Is the Visual Studio 2019 Image Library compatible with GPL3?

Following this question on StackOverflow I would like to use the Windows icons (previously) included with Visual Studio as part of a Windows GUI application; the icons would be used as part of the ...
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2answers
1k views

Does whole project need to be under GPLv3 when using a GPLv3 library

So I am creating an Android app that uses a Java module called core-ui which is licensed under GPLv3. If I am right, GPLv3 imposes to use the same license in my project as the license of the module. ...
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1answer
70 views

Can I use my project with MongoDB in docker container and publish it on GitHub under GPLv3?

I have a plan to use own project (Django backend + React SPA) under GPLv3 in my portfolio with repository on GitHub for all parts of my project. My project is simple landing page with text data and ...
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1answer
97 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
63 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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2answers
4k views

Minified GPL code inside Javascript webapp

This answer on Chess Stack Exchange comes from the lead developer of a webapp for learning chess that integrates a version of Stockfish (a popular chess-playing program released under GPLv3) ...
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0answers
56 views

EPL1.0 lib used in GPLv3 or in "EPL2.0 with secondary license" program

I plan to publish a small android app as open source. I use 2 libraries. One is licensed under Apache License v2 the other one is under EPL1.0. Initially I wanted to license my work under GPLv3, but I ...
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0answers
14 views

clarify R licenses: machine learning models, developed with R in Azure, possible for commercial use?

i want to estimate machine learning models with R and i need to use it in a production environment, i'll work with Azure Datascience Virtual Machine or Azure Machine Learning. If i use , for ex., ...
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1answer
40 views

Modifying an R package with GPL-2 | GPL-3. What is the correct workflow?

I made a modification of the R package rpart for researching purposes. The license is GPL-2 | GPL-3. The modification is simple but it is critical for another package that I have developed. I would ...
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1answer
35 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 ...
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1answer
59 views

Can I start my project under MIT, GPLv3 or Apache 2.0 with these components?

I'm newbie in web-development. I want create a project for demo my work skills: GitHub repository with source codes and working application on some hosting service. My project is a single page ...
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1answer
47 views

Using GPL v3 for GitHub repo with no source code

I am planning to create a GitHub repo containing a summary of commands to be used as a reference. Some of these commands with a combination of unique flags have been used in the source code of a ...
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1answer
69 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
81 views

Can we modify LGPLv3 license based ERP and change the license to private?

My client wants to use an opensource ERP named Odoo. However modifications like name, UI and languages support would be required. Also the license need to be private onwards If it is permissible under ...
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1answer
79 views

Web Frontend uses GPL3 Library

I do know that license conditions must be applied if I want to distribute my app. But, if my app is a frontend and I use GPL3 licensed library on it, does that count as distributed? Do I need to make ...
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2answers
35 views

Freely distributing software with third-part libraries and including R engine and packages

I want to freely distribute a software I developed, very demanded in a specific research and academic field. That's why it's important for me to distribute it freely at least in binary form (easy to ...
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1answer
34 views

Is an installer/build script a GPL3 derivative work?

I'm currently creating installers/builders which will allow a specific Linux distro to be installed in a bunch of different container frameworks (Such as Docker). The distro is licensed under GPL3. Do ...
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1answer
90 views

How to interpret the SSPL terms on licensing the service under SSPL?

The SSPL as used by MongoDB is a license based on GPL, but not OSI-approved, thus programmes under that license would e.g. not fall under the topic of this community here. Now, reading through the ...

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