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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A license to protect the core, but allow proprietary extensions

I like the GPL. I like that it keeps FOSS free and open. I like that if my software is re-distributed, users know where to file bug reports, buy feature requests, and know where it came from. ...
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1answer
157 views

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 ...
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GPL software, proprietary assets? [duplicate]

I'm considering utilizing a few GPL libraries in an application I'm working on, the source code for which I'd of course make available and would be subject to the GPL also. But a critical part of ...
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1answer
27 views

Can different parts of a project be under different licenses?

I have a personal project (in C++) I've been working on that I'm thinking of putting on Git hub. I'm finding the question of picking an appropriate license quite daunting. Part of the project is an ...
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1answer
52 views

Uploading to online service and distribution

Would uploading a file, a program, a script, etc. to an online storage service without sharing it, count as distributing the file to the online service? More specific cases of interest: If I backup ...
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0answers
40 views

Deriving from a GPL LaTeX package

Would it be against the GPL to publish a work (eg. a preamble) that has a dependency on both GPL and LPPL packages? The LPPL is not GPL compatible. Could I argue that the LPPL package is a system ...
4
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1answer
27 views

Extending a GPL website by web service plugin

Please consider this situation. A company modifies a GPLed website X and adds a feature to accept plugin. Then develops a new feature as API service Y and publishes it separately. Service Y needs to ...
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Can I use a GPL v2 software in commercial software? [duplicate]

I've already gone through the following links and many more: Using a tool under GPL v2 in a commercial application Can I use GPL libraries in a closed source project if only the output is ...
2
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1answer
89 views

GPL-3.0 library in MIT project

I'm working on a project comprised of a small HTML page and a JavaScript script. From the HTML page I include a library which is licensed under the GNU General Public License v3.0, and from my script ...
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1answer
58 views

Etiquette for incorporating someone else's MIT code in my GPL project?

I'm relatively new to open source, esp. in terms of collaboration, etiquette, etc. I am working on an open source library in the scientific/numerical programming domain, licensed under GPL. There are ...
2
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1answer
50 views

NDA over code that includes GPLv3 headers

Suppose there is a piece of software that uses GPLv3 headers, but the code that includes said headers is not under the GPLv3 itself, but rather a GPL-compatible license, say MIT Expat. Thus the binary ...
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2answers
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Asking for a more permissive license

I'd like to use and improve an old library for a new project. It is a specialized library and it has not been updated for 5 years. My project is licensed with a permissive license, while the library ...
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0answers
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To what extent does the GCC Runtime Library Exception cover macros, typedefs and functions?

Recently, I've had some trouble trying to get std::thread working with MinGW g++. Considering that I don't want a dependency on gthread, I was wondering if I could use thread.cc (and cxxabi_forced.h) ...
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1answer
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Some questions about LGPL v.3 (support, warranty…)

I participate in the development of a soft that will be distributed on a commercial basis. Question: 1. If I take the open-source Library (under LGPL v.3), will there be any obligations to support ...
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1answer
87 views

Who is owner of code under GPL3?

In the header of GPLv3 wrote Copyright ... Free Software Foundation GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software ...
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2answers
466 views

3-Clause BSD vs AGPL for a startup FOSS product

It appears that many startups are using both licenses to create commercial FOSS products (note I am here more interested in complete products not libraries). Is the 3-clause BSD more protective for ...
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Using GPL and proprietary libraries in the same software [duplicate]

I've made an application that uses a GPLv3 library. This should ideally mean that I have to license my application under GPLv3. However if I take most of my application code that does not interface ...
2
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1answer
15 views

GPL/BSD-like Dual license add special clauses to the GPL

Quick question: I would like to publish a software under a self-written BSD-like license, and under the GPLv3. So far so good. If somebody would fork said project according to the GPL, I would, in my ...
5
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1answer
36 views

Does GPL apply to loaned or rented hardware?

I know that if I buy a device it counts as distributing the software that comes with it, therefore entitling me to ask for sources of the GPL code within. But what if the hardware is technically ...
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1answer
2k views

Can someone fork my GPL licensed project and re-license it under MIT or BSD?

I want all the people who link to my software should also release their code under GPL. But what if someone forked it and attempted to relicense it under the MIT, BSD, Apache, or LGPL licenses? Can I ...
8
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2answers
2k views

Are pictures of GPL software GPL?

GPL must be applied on screenshots of GPL software or not. Can a screen recording of GPL software, such as Linux, be published?
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2answers
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Should the License be the initial commit in a repo?

I plan to opensource a personal project on github. As a part of this - I plan to add necessary License file(s) in the latest commit prior to making the repository public. My questions are: Does the ...
2
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1answer
61 views

Does GPL require me to publish the source code INCLUDING configuration files needed to run?

For simplicity lets say i created a Server-Client programm which uses libraries under the GNU license. My understanding is that i now have to give everyone who asks my full client source-code and ...
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1answer
37 views

GPL on cmake scripts

As far as I understand GPL, it uses the author's copyright to restrict usages of their code: Whenever someone wants to use this piece of code, he also has to publish his modifications if he ...
14
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2answers
2k views

Can I demand the source of a closed source application if I discover it links with a GPL library?

Let's say I see a popular closed source application (distributed for free in binary form) links dynamically with a library that has a GPL license (according to the library's website). Can I write to ...
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1answer
69 views

Can I use a General Public License code from a github repositiry?

I'm working on PDF password cracking tool which borrows a file from John_the_ripper_bleeding_jumbo. I want only one single file, pdftojohn.pl. How can I use that file? The licensing information ...
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1answer
31 views

closed source binary in Linux image

I've got question about following situation: if i have closed source binary and device with Linux, i want to sell this device with Linux and closed binary in its filesystem. Is it legal to keep source ...
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2answers
3k views

If an employee modifies a copy of a GPLv3-licensed open source library, is the modified copy intellectual property of the company?

There is a GPLv3-licensed open source library on GitHub which is used by the company I work for in a central component of the business. The business does not sell software, but only a manipulation of ...
2
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1answer
28 views

Is there a specific header used to indicate that a file is exempt from the licensing of the rest of the project?

I am using the GPLv3 license for a tool that embeds files into source code. However as part of it's operation it copies a portion of it's own source into projects that use it (as a library to allow ...
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0answers
10 views

.RDS files and GPL license in R

We are building an application that uses machine learning to predict certain parameters and use them in an optimization algorithm afterwards. We are not building the front-end in R neither the back-...
4
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1answer
99 views

Sell content separately for app licensed under GNU v3?

If you're using a library that is licensed under GNU GPL v3 to help develop your application, then from what I understand, you must release your application for free and it's source code. Is it then ...
3
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1answer
47 views

Distribute binaries of GNU GPL licensed project without source as copyright holder

I don't quite understand what I, the copyright holder of a project, am permitted to do according to the license I have given my project. I want the source code for most versions of the project to be ...
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33 views

What are my obligations if I convey software that calls GPL code (specifically via python import), but I do NOT convey the GPL software itself?

Party A writes some software; perhaps intending to distribute it under the MIT or some other permissive license. THe software uses some GPL'd software. Party A conveys the software to party B, without ...
3
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0answers
73 views

Does the GPLv3 give recipients the legal right to circumvent technological measures imposed on them by third-party redistributors?

To my understanding, a distributor of GPLv3 software who does not have any right to redistribute software except by becoming a GPLv3 licensee, and knowingly distributes GPLv3 software agrees to ...
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1answer
36 views

Use of GPL software with proprietary network program

I am working on a distributed computing project. The client for this project uses Twisted (MIT licensed) to communicate with the server. The client will locally invoke a PARI/GP (GPL licensed) script ...
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1answer
45 views

Does GPLv2 allow for prohibiting misrepresentation of the origin

I am a maintainer of dosbox-staging project, which is licensed using GPLv2+. I am considering bundling DOS/32A with my project (as it greatly helps with the emulation of old DOS software). DOS32/A is ...
5
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1answer
45 views

Could the anti-tivoization provisions of the GPLv3 be circumvented by providing software separately?

In the FAQ section of the GPLv3, the Free Software Foundation presents the following entry: Question: Suppose that two companies try to circumvent the requirement to provide Installation ...
7
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1answer
852 views

Is it possible to migrate old GPL2 project to GPL3?

So I found an old project that is GPL2, not hosted on Github. I fixed bugs in it, and want to post on Github. Can I distribute it under GPL3? In other words, is GPL3 a GPL2 with additional ...
7
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2answers
172 views

Is Apple allowed to distribute GPLv3-licensed software through its iOS App Store?

This question is specifically about GPLv3, LGPLv3, and Apple's App Store for iOS devices. Given the additional restrictions Apple imposes on iOS users (i.e. not allowing them to modify and run GPLv3 ...
4
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2answers
50 views

Can I have the source code of my Python/C++ project under MIT/BSD/Apache2.0 and its PyPI binary wheel under GPLv2?

I am trying to find how to license my open source project, but after having spent a few hours Googling around, my head started to hurt! Instead of asking a million of questions about different ...
4
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2answers
49 views

Is Flameshot mislabeled on the Ubuntu Software Center?

Recently, I have seen Flameshot labeled as proprietary on the Ubuntu Software Center: (german text, "Proprietär" means "proprietary") Is Flameshot mislabeled on the Software Center, as it's official ...
5
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1answer
61 views

Distributing GPL OS with proprietary software

We are looking to distribute an embedded software product using an open-source, GPL3.0 licensed operating system with our non-GPL proprietary software running on it. With normal works, if our code is ...
3
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1answer
37 views

Can I dual license my code after accepting downstream contributions into my code base?

As the original author (and copyright holder of source code) of code which I have chosen to release as GPL. I think I am correct in saying I can dual license my code and thus choose to enforce one lic ...
23
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6answers
3k views

How can GPL terms apply to distribution of a proprietary plugin?

Let's say I develop a plugin for third-party application X. My plugin has a non-free license, and is commercially distributed. I don't distribute application X. Application X is licensed under GPL, ...
1
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1answer
29 views

Is it possible to have a proprietary commercial plug-in in a GPL licensed app?

We are developing an automatic machine learning software for researchers under a GPL license. This will allow them to use different ML algorithms on their data. Is it possible to offer an additional ...
3
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1answer
25 views

How do I use GNU licensed code copyrighted by the original author?

I am writing open-source code based on another author's open-source code. The original author licensed the code under the GNU Public License and copyrighted it under his name. I am, of course, ...
2
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1answer
45 views

Changing the open source license of a forked project (EUPL to GPL)

I believe context is important, so here is a little story. Let's imagine (all characters and events in this story - even those based on real people - are entirely fictional) that Alice has developed ...
2
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0answers
46 views

Can I use CC BY-NC software for machine learning and analysis purposes?

I have a task at work which requires me to build AI that can do general game playing. Contemplating this task, I have found several games that I would like to use in doing training and analysis to ...
1
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3answers
331 views

Must I notify copyright holders of GPL code when I modify it?

I recently was nominated co-maintainer of this GPL library https://github.com/coq-community/corn It does not use a copyright transfer agreement, historical authors are listed as copyright holders by ...
4
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1answer
57 views

Legally, is getting a js file from a server the same as installing npm package?

I'm working on a (most possibly) proprietary front-end React app for my company. We use this npm package as a plugin for TinyMce editor. Turns out, it has GPL v3 license, which isn't allowed as per ...

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