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
273 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 ...
4
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3answers
526 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 ...
16
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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....
3
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2answers
662 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 ...
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 ...
7
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2answers
209 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 ...
6
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1answer
260 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 ...
-2
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1answer
44 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 ...
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2answers
221 views

GNU GPL question: Do I need to open source my entire app?

I am using the Telegram API (licensed under GNU GPL) to integrate chat services within my own application. The developer of Telegram asks to - "Please remember to publish your code too in order to ...
1
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1answer
412 views

learning from GPL infects code

Does learning some advanced, non-trivial coding technique from exiting GPL code (or code with viral license in general) turn my own work into a derivative work? Are there any widely accepted ...
3
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1answer
84 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 ...
4
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1answer
407 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 ...
2
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2answers
39 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. ...
3
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1answer
89 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 ...
4
votes
1answer
179 views

Can I deploy a docker-compose.yml that uses MySQL commercially?

As far as I know, I can sell to one of my clients a PHP web service that connects to a MySQL server that I host without making my PHP sources open source. This is because the PHP code only connects to ...
0
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1answer
96 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
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1answer
289 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
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2answers
226 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
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1answer
74 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 ...
1
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1answer
247 views

Can I make proprietary software with Julia?

Julia, a high-level, high-performance dynamic programming language for numerical computing that has some dependencies. One of them is GMP, an external library that has a GPL2+ license. In that case, ...
0
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0answers
29 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?
16
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4answers
481 views

What are the arguments for considering dynamic links to *not* constitute derivative works?

The status of programs which are dynamically linked with Copyleft licensed binaries (such as a .dll) is contentious. I have created two questions for each side of the debate. The other can be found ...
2
votes
1answer
2k 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
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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
911 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 ...
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"?
1
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1answer
39 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?
33
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4answers
12k 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 ...
25
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6answers
8k views

Can I take BSD licensed code and distribute it under GPL?

Or in more general terms: Can I take code which is licensed under a permissive open source license (like the BSD license) and distribute it under a copyleft free software license (like the GPL)? ...
0
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2answers
86 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-...
10
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4answers
2k views

Calling GPL'd programs from a shell script

I have a program written in a shell language that consists of several shell script files. Some of these files execute external commands that have been licensed under GPL. Do I have to release my ...
3
votes
1answer
94 views

Can a Proprietary Application Exchange Data with a GPL'd Program?

I am considering extending a proprietary application so it communicates with an open source program. This open source program is very similar to Matlab. The user can input commands to execute ...
2
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2answers
245 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
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1answer
78 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 ...
2
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4answers
318 views

How to anonymously submit GPL licensed source code to a science fair?

I've created a personal project and licensed it as GPL3 (I'm a fan of the open source movement). The source code is posted publicly on GitHub. I'm planning on submitting it to the Siemens Competition, ...
10
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4answers
3k views

Are CDDL and GPL really incompatible?

Wikipedia seems to suggest that CDDL and GPL are incompatible, yet no one knows for sure why or how. Why and how are the CDDL and GPL are incompatible?
2
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1answer
33 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 ...
1
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1answer
82 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?
3
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1answer
172 views

Android GPL app that opens a closed source app

Is legal if I edit an open source app with GPL license and make it open source again with GPL license but for doing some tasks it opens another app that is not open source? For example: GPL app ...
4
votes
2answers
186 views

Can library that took parts of library licensed under GPL with Classpath Exception be licensed under MIT?

I've spotted the library (library M) where developers took some source files from GPL with Classpath Exception licensed library (library G), included them in their project and changed namespaces and ...
10
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2answers
515 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 ...
1
vote
1answer
338 views

Does program that uses EBPF module needs to be distributed under GPL

I have a question about eBPF and linux kernel licensing. Basically, an eBPF module is a small piece of code that is run inside Linux kernel, and can use kernel methods that are marked as GPL-only (eg. ...
2
votes
1answer
118 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 ...
4
votes
1answer
133 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? ...
3
votes
1answer
262 views

Is the classpath exception and the GPL linking exception the same thing?

I am looking at the exception to the GPL v2. The exception is "classpath exception" and "GPL linking exception". https://en.wikipedia.org/wiki/GPL_linking_exception also has a classpath exception. ...
5
votes
1answer
143 views

Splitting a project into copyright and copyleft

Say I've been working on this java project for over a year, and it's necessary for this project to reference a GNU GPL licensed software library somewhere in there, then the whole thing suddenly poof ...
7
votes
1answer
76 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. ...
0
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0answers
82 views

Does video game code that uses a GPL engine have to be GPL?

Lets take a specific example. The ioquake3 engine is licensed under GPL v2, however the engine can't do anything by its self, it needs code that has been compiled into .qvm binaries in order to create ...
1
vote
1answer
239 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....
-2
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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 ...