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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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2answers
381 views

Restrict GPLv3 to non-commercial use [duplicate]

My question is very similar, but crucially different from this one. I have a library that I want to offer under a dual license: GPLv3 and commercial. GPL so others can read, maintain and modify if ...
45
votes
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 ...
13
votes
3answers
2k views

Is it possible for Linux developers to retroactively “pull their code” from Linux?

Linux now has a Code of Conduct. In the resulting backlash some people have claimed that developers can "flip a kill switch" or "pull their code" from Linux. They seem to mean that developers can ...
16
votes
3answers
3k views

Can I insist on GPL version 3.0 terms when requesting GPL code from an embedded manufacturer?

I have an embedded device that contains software licensed under the GPL version 2.0 'or any later version'. The company that produced it never released any GPL code, and I plan to request it from them....
20
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1answer
3k views

Do defunct companies have to comply with requests for GPL code?

I have an embedded Linux device. The company that developed and produced this device is now defunct, having been sold to Flex Ltd. When this acquisition occurred, it seems that the employees signed ...
3
votes
2answers
695 views

How much code does the manufacturer of an embedded device that uses GPL software have to give me?

I have an embedded device that runs Linux among other software licensed by the GNU GPL. The manufacturer never released any GPL code, and I plan to demand that from them tomorrow. My question is, do ...
-2
votes
1answer
46 views

Creating a new open source License based off of the GPL? [duplicate]

Hey suppose I would like to create a new modification of the GPL 3.0 license, would I be allowed to copy the GPL, modify it, and then rename it to something else? I.e. is the GPL license itself open ...
7
votes
2answers
211 views

Requiring personal info for source code

I bought a Samsung laptop recently. The model is shipped with TCL (Tiny Core Linux) with BusyBox in it. Circumstantial evidence suggests that TCL is modified to meet Samsung's requirements. I found ...
3
votes
1answer
119 views

Will distributing my program with virtual box make it GPL?

So I'm wondering if I distribute my application (as an .iso file) with virtualbox portable http://www.vbox.me/ which is licensed under GPLv2, will that make my program also under the GPLv2 license? Or ...
7
votes
2answers
178 views

Offering exceptions to the GNU GPL as an employee

I find myself in the following situation; I have a software project under GPL license, which is a good fit for usage in the company I am currently employed at. Now I am happy to dual license it to ...
4
votes
1answer
97 views

load in runtime an extern .qml file with GPL license

This is my question related with GPL and extern GPL scripts: I have a closed source project plus an extern .qml file, in the app root folder, that uses some GPL QT modules (for example, Virtual ...
2
votes
2answers
42 views

Aligning employer's and employee's interests in a hybrid/parallel open-source strategy

I work for Institute X, an academic institution looking to expand its commercialization opportunities. I want to develop with them a hybrid-open-source strategy for the code written by me and my team. ...
5
votes
1answer
555 views

Optional GPL dependency in commercial Python application

I am developing a commerical clock application ("JJClock"), which is written in Python. What I will deliver to my customers will either be a .pyc file or a .so file ("compiled") with Cython -- the ...
3
votes
1answer
144 views

Can GPL v3 Back-End be used for iOS apps without opening of whole program code

We are developing an iOS app in which all of the front-end is based on MIT/Apache/BSD components, while server part is fully on GPL v3. All these licenses are compatible, so there is no problem with ...
3
votes
1answer
98 views

Does it make sense to license an application (not library) under LGPL?

Say, I have a game engine which is meant to be an executable, not a library (i.e. it has its' own main() and has the top-level control. It calls on other libraries but cannot be used as a dynamic ...
3
votes
1answer
107 views

How should I license my project if it can install GPL-based plugins?

I'm developing a software which has two parts, kernel and plugins, their code are completely separated. Here's the question: Some of the plugins should be GPL based, as they invoked GPL code. The ...
-1
votes
1answer
333 views

A question about closed-source software with GNU GSL for commercial and free-to-use cases

I plan to build a closed-source software with C++ language using GSL (GNU Scientific Library). This software is made by compiling my source codes into executable. By the way, my source codes use GSL ...
4
votes
1answer
155 views

Relicensing a fork of a GPL project and source code distribution requirements

(Reposted in here because this is the more correct section.) So the situation is this: I run a project which is a fork of an emulator licensed under GPL v2, my fork respects that and has not ...
0
votes
1answer
135 views

Can I commercialize my product that uses mblock?

I have a question regarding licensing of mblock based products. The mBlock 5 is a software tool for STEAM education. It is inspired by Scratch 3.0 and supports graphical and text programming. Also, ...
5
votes
1answer
357 views

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 ...
5
votes
3answers
290 views

GPL exceptions that only apply to certain individuals

The GPL does not allow people to impose additional copyright restrictions on top of those that already exist in the terms and conditions of the GPL itself. However, the GPL does allow the original ...
3
votes
1answer
88 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 ...
0
votes
0answers
31 views

includeJavascript snippet inside a GPL php page, have i to include a license comment?

If i include Javascript snippet inside a GPL php page, have i to include a license comment in the page? Or insert the license comment on the main style.css is enough?
5
votes
1answer
122 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.
4
votes
3answers
682 views

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 ...
2
votes
1answer
3k views

Can i use a GPLv2 module in my commercial application?

I am developing a commercial wordpress plugin. There is a form module that i have to develop however, i found one already built under GPL2 here https://github.com/weDevsOfficial/weforms All other ...
0
votes
0answers
22 views

Using a printed format used by an application licensed under GNU GPL

I want to generate Twibright Optar compatible printed pages but I do not want to license my project under GNU GPL license. The format is simple enough to make a completely new generator tool in few ...
4
votes
1answer
1k views

Is dual licensing a software that contains gpl programs possible?

I have seen that there is a question about gpl and dual licensing, but I know copyleft can behave different depending on the shape of the software. so here's my question: I have a package of lua ...
1
vote
1answer
44 views

What means “distribution” for Open Source licenses (MIT/GPL)?

What means "distribution" for Open Source licenses MIT and GPL? Is the client side code running on user's browser "distribution" for these licenses?
4
votes
3answers
1k views

If I release software under the GNU GPL v3, and a new version of the GPL is released, can I change the license?

If I release software under the GNU GPL v3, and a new version of the GPL is released, can I change the license to the new version if I choose to without having to say "GNU GPL v3.0 or later"?
6
votes
1answer
339 views

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 ...
0
votes
2answers
92 views

Is reverse-compiled assembly considered as a valid form of “source code” in GPLv2?

My project used and modified some code from project A licensed under GPLv2 written in C. Now I was wondering that if I release my compiled binary with its reverse-compiled assembly, is it GPLv2-...
0
votes
1answer
137 views

If I modify JS/CSS in GPL-licensed WordPress themes/plugins for my website, do I have to include all the changes?

If I modify JavaScript/CSS in WordPress themes/plugins (GPL licensed) for my website, do I have to include all of the changes in the header of the file? I know that use css/js files in a website is a ...
34
votes
4answers
13k views

Is it legal to use GPL code in a proprietary, closed-source program by putting it in a separate, standalone program?

As we all know, the GNU General Public License (GPL) is a "copyleft" source license: which means it is designed not merely to make the code to which it is initially applied free and preserve its ...
2
votes
2answers
288 views

GPL 2 License in publishing a modified code

I'm developing a wordpress plugin for a client. I modified two different plugins (licensed under gpl2) with similar functionality and combined them into one to match my client's needs. I'm giving my ...
1
vote
1answer
86 views

Can you make GPL-licensed software using the Tizen SDK?

Unfortunately, Tizen has a proprietary SDK, as discussed here, which mandates that: You may not use any component part of the Tizen SDK in any way independent from the Tizen SDK. You may not load ...
1
vote
1answer
96 views

Is the Qt Network Authentication module LGPL?

The documentation is unclear whether the QT Network Authentication module is licensed under LGPL or GPL. Has it changed recently?
2
votes
1answer
49 views

GPLv2 Wordpress Application - Selling

We have a customer that has built an application on top of WordPress (they are based in the UK) and intends to sell access to this software in two main forms on an international basis. A monthly ...
10
votes
2answers
661 views

How does GPL apply to neural network models?

Suppose you are working on a mobile application. Because the application contains GPL licensed code, the mobile application will be licensed under GPL too. The mobile application also uses a ...
4
votes
1answer
148 views

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? ...
-1
votes
1answer
64 views

Can I commercially use a fixed source code distributed under GPL?

There is this source code on GitHub (a PHP class, around 200 lines of code) distributed under GPL license which has some bugs and is not useful to me unless those bugs are fixed. If I fix those bugs, ...
2
votes
1answer
144 views

Having a mixed license repository with GPL and non GPL code

I have some code that I would like to integrate with a GPL licensed piece of code, my code is licensed BSD. If absolutely necessary I could license everything GPL, but if possible I would prefer to ...
1
vote
1answer
302 views

Can LGPL 2.1 licenses software be re-published under GPL 3.0?

I have software licensed under LGPL 2.1 and I want to modify it and re-publish the whole software under the GPL 3.0 license. Is this legally possible? I think so, but I'm not completely sure. LGPL 2....
10
votes
2answers
607 views

Can I post code examples with GPL software on Stack Overflow?

Suppose there is a Python library called g which is licensed under GPL v2.0 (or v3.0). Suppose further that the library is sufficiently complex that it contains some C/C++ component(s) that are ...
7
votes
1answer
81 views

Can I license Latex code under GPL but the content under CC BY-SA?

I have written a non-trivial scientific text for university. It is written in Latex and I want to make the source available under GPL (v3 if that matters) so other can learn from my Latex skills. ...
-2
votes
1answer
46 views

Can I write on my website and make the code private when the source code is partially copied from an open source GNU GPL V3 project [duplicate]

I've rewritten my personal website using this https://github.com/ptrpov/ptrpov . I've made some significant changes. Like I did on my previously (built from scratch) website, I'd like to add ...
0
votes
1answer
78 views

Extend GPL to be informed in case of derivative work

I understand that any work that is based on work licensed under GPL must also be released under GPL. However, it does not require contacting original authors about the fact that a derivative work has ...
3
votes
1answer
346 views

Can I use PyQt if I make it open source and only charge customers for my time to customize the open source app for them?

I am planning to create custom made software for each customer. I will also be telling the customer that I shall be making it open source and they are simply paying me for my time to package things ...
0
votes
2answers
360 views

Am I allowed to use a GPL-3 library in a closed source web application?

I am working on an Angular5 web application. It is written in Typescript, and then compiled to Javascript. This is not a real compilation, just a minification The server which serves the .js files is ...
1
vote
1answer
45 views

Distribution and display at fairs / exhibitions

My question is simple: is displaying an unreleased product containing open source software at an exhibition considered distribution? In particular, I am concerned about GPL obligations. If the ...