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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3
votes
1answer
39 views

Embedding code using API of GPL library in tutorial website

I want to make a commercial tutorial website that will teach people to use GPL-licensed R packages in a series of articles. The website will not execute the code, but will show people the output of ...
3
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1answer
240 views

Can I use proprietary library in a GPL-Compatible library loaded on a gpl Program?

I am asking mainly to be sure. To describe it better, I want to use some external functionality that is available through a proprietary library. Since the library IS NOT compatible with GPL Programs, ...
3
votes
1answer
88 views

Someone is offering money to use my software without a license. Is it a scam?

I am the creator of an open source project licensed under MIT and GPL. Recently, someone has reached out saying that these licenses do not fit their needs, and that they would like to pay me to be ...
3
votes
1answer
66 views

User account licenses, in an AGPL SaaS app

Can I build & release an AGPL (v3) SaaS application, but still put constraints on the usage of user accounts in that application? I like to: Provide a hosted version of the service Provide the ...
0
votes
1answer
48 views

GPL. Can source code be modified for security?

I'm currently working on a project that will be given for free under GPL license, for which I have no problem giving the source code. The problem lies in the algorithm used to obtain the private key (...
3
votes
2answers
93 views

Can I publish only select code under GPLv3 from a private project?

So my team is planning to go open source with a project that has been in development together with an industry partner for some time now. We're not sure about the licensing yet, but GPLv3 looks ...
2
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1answer
34 views

Extending GPL project with Paid license features

I found some GPL v3 licensed open source projects that also have paid enterprise license versions with more useful features. I only need 10% of the features available in the (expensive) enterprise ...
1
vote
1answer
35 views

Can we use the weight of the neural net learned with the MIT-BIH dataset for commercial purposes?

MIT-BIH is here. https://physionet.org/physiobank/database/mitdb/ I found a page about licenses, but I did not know about commercial availability of learned models. license description is here. ...
3
votes
3answers
69 views

Consider licence of third party software that is required to be installed?

I would like to publish my application with the GPLv3 licence, as the used libraries are also published with the GPLv3 licence. So far so good. But besides this my application needs a further ...
1
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0answers
39 views

How to update GPL licensed software distributed to a customer without providing the source code on each update?

This question extends my last question about 'How to comply with the GPL when providing auto updates'. Problem description: I want to distribute a Debian VM with Debian based docker containers, so ...
5
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1answer
82 views

How to comply with the GPL when providing auto updates?

Problem description: I want to distribute a Debian VM with Debian based docker containers, so far I would just extract the entire source code after the VM is configured and provide the source code on ...
0
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2answers
59 views

Open-source project and assets

There is open-source project under GPL 3 hosted on GitHub. The project contains source code and assets (images, sounds etc.). Can I legally use only assets (without soruce code) for custom, commercial ...
0
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0answers
19 views

Is deleting a file under MPL 1.1 is a license violation? [duplicate]

I have an open source code repository under MPL 1.1/GPL 2.0/LGPL 2.1. My question: is deleting a file is a license violation ?
3
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1answer
74 views

Can I bundle a GPL-2 binary (Pandoc) with my GPL-3 app?

I’ve made a GPL-3 licensed app, the source code and binary releases of which are available on GitHub. Can I bundle the Pandoc and Pandoc-citeproc binaries with my app? These binaries are GPL-2 ...
0
votes
1answer
147 views

Source request for a GPL-licensed Linux kernel module?

We have a CrowdStrike kernel module installed, and this is apparently the license: description: CrowdStrike Pinned Security Module author: CrowdStrike, Inc. license: GPL retpoline: ...
2
votes
1answer
73 views

Effect of 'download separately' on GPL linking

Suppose I have Java jar-files which I provide to my customers under a commercial closed-source license. But my jar-files depend on a few jar-files released under the GPLv2 (without any special GNU ...
11
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3answers
3k views

When is my project a derivative work in an interpreted language?

With compiled languages, I understand when a work is considered derivative of another and thus, a license such as the GNU GPL covers the whole work. However, with interpreted languages such as PHP or ...
7
votes
1answer
590 views

Do Fedora's export restrictions violate the GPL?

On the download page of Fedora, one finds this text: By downloading Fedora software, you acknowledge that you understand all of the following: Fedora software and technical information may be ...
6
votes
1answer
102 views

What are my license obligations if I modify the object code of a GPL project?

I am modifying some STL files for 3d printing which originated from a GPL'd project, and though the originals are available, the "object code" STLs are easier to modify in my case. Ignoring the fact ...
2
votes
1answer
115 views

Can I publish someone's GPL (version 2) source code to GitHub or BitBucket?

I obtained a GPLed (version 2) source code. But it is not maintained, and I have tried to fix some bugs. I plan to publish the code to git repository like GitHub or BitBucket. However, I cannot get ...
8
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2answers
230 views

Required works to put existing GPLv3 source code on GitHub, with respect to modification dates

I was looking at the GPLv3 License. It states that when I modify the Program and distribute it, I need to meet the condition of: a) The work must carry prominent notices stating that you modified it,...
0
votes
0answers
243 views

Bundling FFmpeg command line tool (invoked as child process, no linking) - GPL license compliance?

I have written a free and open-source app (available on GitHub) that needs to bundle a static binary build of FFmpeg's command line executable tool, but does not link to its code statically or ...
4
votes
2answers
92 views

Preventing a company in GPLv2 license

Is it possible to prevent a specific company or specific employee in that company from using an open-source project that uses GPLv2 license? To give more details, the project is based on another open-...
2
votes
2answers
242 views

Selectively distribute a GPL program

Imagine that there is this software, FooBar, which is under the GPLv2 license. Then, in one of your unproductive Saturday afternoons, you modify, let's say a new module, that is a derivative work of ...
5
votes
1answer
477 views

Can the OpenJDK runtime be used to run third-party Java applications?

With Oracle's shuttering of their Java runtime distribution (the January release will be the last version available for commercial use without a paid license) many people are recommending the use of ...
4
votes
1answer
496 views

GPL for Embedded

I'm working in a company that develops and sells embedded systems. We are using Linux and some GPL software, alongside proprietary software. Some of the GPL softwares are modified to fit our needs. ...
62
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5answers
24k views

Can I use GPL libraries in a closed source project if only the output is distributed?

If I create a closed source application which uses some GPL licensed libraries but don't actually distribute the software, only its output, can I keep the software closed sourced? Specifically, I am ...
7
votes
2answers
801 views

Can I dynamically call a LGPL/GPL software in my closed-source application?

This question was originally posted by marcgg on Stack Overflow (second link might be visible to 10k+ only), but was removed there due to being off-topic. It has been preserved here in light of this ...
3
votes
3answers
413 views

How I can monetize GNU GPL product developed (and currently updating) by me?

I am a developer of Open Source product under GNU GPL license. I always looking for some time and power to make important changes in it (fix bugs and add more improvements), however, it becomes harder ...
9
votes
2answers
2k views

What are the implications of licensing a JavaScript library under GPL?

When searching for "gpl javascript" in Google, I currently find these five first results: A piece by RMS warning about how we are using more and more web apps and that we should care whether these ...
-1
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1answer
62 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
82 views

PHP mysqli and pdo drivers licensing

I use PHP language in my application and use these two drivers to connect to MySQL - mysqli and pdo. I know that PHP is licensed under PHP License v3.01, so I can freely use it, but at the same time, ...
3
votes
1answer
88 views

About using GNU GPL 2, GNU GPL 3 and LGPL software in a commercial product

I build a commercial product, which uses some third party products licensed under GNU GPL 2, GNU GPL 3 and LGPL. I do not modify myself the source code of these third party products and I do not ...
7
votes
1answer
914 views

Should I attribute open-source DLLs that I ship?

I ship a GPL-licensed exe "Foo" (not mine) with my exe, and with Foo - some DLLs that it uses. These DLLs are licensed under various open-source licenses. Should I ship the copyright statements of ...
3
votes
1answer
56 views

Can I force to use a different name when redistributing GPL software?

Will that violate GPL? I still allow the recipient to redistribute unmodified copies and with modifications but they have to call the product with a different name when they do it. Is such restriction ...
1
vote
5answers
206 views

Who is the copyright holder when GPLv2 project API is used?

I've read a lot of articles and still can't find the answer to the following question. There is a project that uses GNU General Public License version 2 license, developed by CompanyX. We (...
0
votes
1answer
37 views

LGPL3 code in GPL3 project

It seems like this should be obvious, but I'm not finding an answer. LGPL is a subset of GPL, IIRC, so can I use LGPL code in a GPL project?
5
votes
1answer
87 views

Is it legal to install GNU GPL v2 software alongside my proprietary software

I have developed a set of python-based tools for network testing, and I am currently building a GUI around it and I am going to attempt to sell it. My issue is one part of my code relies on wireshark, ...
0
votes
1answer
130 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 ...
5
votes
1answer
117 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
1answer
123 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 ...
-1
votes
1answer
291 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 ...
3
votes
1answer
90 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
134 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 ...
1
vote
0answers
68 views

Redistributing LGPL source code or GPL packages on a BSD Licensed package

I have a python project licensed under BSD-License. On its bottom I use a source code written in C++ which is licensed as LGPL and I have an optional dependency on a python package licensed under GPL. ...
4
votes
1answer
53 views

How could I copyleft a document that contains a substantial amount of both code and prose?

I am writing a document in LaTeX that contains large sections of Python code and output. Typically, I like to license my writing under CC BY-SA 4.0 and my code under GPLv3. I have already placed a CC ...
5
votes
2answers
2k views

Can I relicense my own GPL code into Apache/MIT? [duplicate]

Suppose that I distribute my own code with a GPL license, even though the code use just external MIT or Apache code. In particular, no preexisting GPL code is in it. Can I later relicense it under ...
6
votes
1answer
566 views

AGPL v3 licensing: How does external party determine if modifications were made?

When using an AGPL v3 licensed software within a public-facing web application hosted on a private server, you are obligated (section 13) to share your code if you modify the original AGPL code. Many ...
2
votes
2answers
128 views

Selling GPL derived source code

I modified a GPL opensource project and distributed the binary free of charge on Google Play. I'm planning to release source code per request via email only. My question is if someone ask for the ...
0
votes
0answers
19 views

Should I distribute ProxySQL configuration as Open Source in case of combine ProxySQL with project under AGPL?

I Have AGPL project(suiteCRM) which communicates with MySQL but I would add something between suiteCRM project and MySQL. This thing will be a project under GPL names ProxySQL. I'm not sure if this ...