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.

Filter by
Sorted by
Tagged with
1
vote
1answer
113 views

GPL Software with "Premium" Features

As I understand GPL, your software can be sold for any amount you wish, but you must make the source code available to everyone without charge. I have noticed a trend where certain software released ...
2
votes
2answers
90 views

GPL and non-compiled languages' libraries

According to the official GPL2 FAQ, I have to use GPL for any project using a library under GPL (even if I don't directly use its sources), because my program links to the library. But what about non-...
18
votes
4answers
6k views

Should I publish everything running on Linux under GPL?

According to the official GPL 2 FAQ, I have to use GPL for any project using a library under GPL (even if I don't directly use its sources), because my program links to the library. But when I run an ...
5
votes
1answer
904 views

In the GPL definition, if I host a service on public cloud, does it mean I 'distribute' my service to the cloud provider?

Let's say I have a web service that links to a C library which is licensed under GPL. If I host this service on my own server, then I think I don't have to license my web service under GPL. This is ...
4
votes
1answer
86 views

Including GPL plugin in repository of MIT code

I have an MIT-licensed library that supports user-provided backends. I was asked to implement a backend that would require using a GPL-licensed library. If I write such a backend, license it's files ...
2
votes
0answers
62 views

GPL3 "code" in css and html templates: Implications for books hosted on the web

Bookdown is a commonly used package for authoring reports, books etc. in the R language (but can just be used for writing anything, if you know Markdown, and you want a way to produce HTML, PDF, ePub ...
2
votes
1answer
184 views

Could the GPL "infect" my Code if the libraries I used violated the GPL?

Let's assume I use in my closed source a library A which is by the Author claimed as a non GPL license (e.g. MIT, LGPL or even a paid license). Now somebody finds out, that one of the used library in ...
1
vote
0answers
138 views

Are projects created using Qt WASM required to be under GPL?

As I understand, the core modules of Qt are under LGPL and can be used in a closed source project. But the Qt WASM module is under GPL. I'm not sure if it's linked into the project or only acts as a ...
8
votes
1answer
106 views

Do any open source licenses cover outbound internet connections/data sharing?

I have built a software tool that recognizes text from images of handwriting. I want to make the code public under a permissive license (like Apache 2.0), but with the stipulation that all ...
5
votes
2answers
125 views

Is it okay to combine a proprietary program with a GPL program after distribution?

I want to distribute a combined work containing program X, plugin P and plugin Q. Plugin P has a proprietary license (which allows redistribution) and plugin Q is distributed under the GPL. X has a ...
2
votes
1answer
126 views

Time limit to supply source code under GPL

About a week ago I found some commercial software that is closed source using two GPL v2 licensed packages in the binaries. I emailed the company back and forth and they finally agreed that they would ...
5
votes
1answer
1k views

Will there be any restrictions if I use a MIT licensed module which is built on a GPL library in my commercial software?

I want to use a Python module (https://github.com/Belval/pdf2image) in my commercial software. This module is licensed under the MIT license whereas the library (Poppler) it is built on is licensed ...
2
votes
0answers
63 views

Does a web application avoid becoming a "derivative work" if it loads in an unmodified GPL-2 javascript library?

Say I have a web page: ... <!-- A custom javascript library --> <script src="myCustomScript.js"></script> <!-- A GPL2 javascript library --> <script src="...
6
votes
1answer
116 views

Take a piece of GPL'ed code and put it in code under other license?

What happens if I take a small piece of code (~400 lines) that is licensed under GPLv2, and modify and use it in my own project? Am I now obliged to license my program under GPL, or can I use a more ...
2
votes
1answer
65 views

Using pre-built library wimlib with GLP/LGPL dual licensing in closed source commercial product

Need help with a **complicated GPL/LGPL Dual Licensing issue**. We need to read the contents of a .ESD file which which is nothing but a LZMA compressed .WIM file. I am planning to use the wimlib ...
1
vote
1answer
46 views

Licensing of independent implementation of GPL language

Say I choose to implement an interpreter or compiler for an existing programming language whose (only) reference implementation is distributed under the GPL. If in doing so I do not derive any code ...
0
votes
0answers
16 views

Selling copy of GPL v3 app under another license [duplicate]

I want to create a library, that can be used for free in any open-source project, so I want to publish it under terms of GNU GPL v3. But, also I want to sell it, so it could be used in proprietary ...
5
votes
1answer
387 views

Can I partially include third party source code in my project?

I'm going to release a software package which needs polynomial fits to work, and I'm currently using the GNU Scientific Library (GSL) in my project. GSL is licensed under the GPL. GSL has many ...
4
votes
1answer
84 views

Can I make a GPLv3 or AGPLv3 software which serves a proprietary protocol?

I'm planning to make a GPLv3 or AGPLv3 library to allow the library user to interact with the multiplayer portion of a non-free, closed-source, proprietary game. The game's EULA explicitly allows the ...
3
votes
2answers
184 views

Does GPL library in git history impose GPL requirements even after its removal?

I am working on a proprietary project. My colleague used - by mistake - GPLv3 library (copying it's source code and building along with it). The fact was discovered pretty early (before any release ...
2
votes
2answers
130 views

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. ...
6
votes
1answer
189 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 ...
0
votes
0answers
31 views

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 ...
0
votes
1answer
123 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 ...
2
votes
1answer
78 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 ...
5
votes
0answers
74 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
votes
1answer
41 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 ...
1
vote
0answers
60 views

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 ...
3
votes
1answer
400 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 ...
4
votes
1answer
124 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
votes
1answer
189 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 ...
12
votes
2answers
2k views

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 ...
3
votes
0answers
176 views

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) ...
3
votes
1answer
61 views

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 ...
2
votes
1answer
237 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 ...
3
votes
2answers
725 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 ...
3
votes
1answer
138 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
votes
1answer
120 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 ...
9
votes
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
votes
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?
4
votes
2answers
225 views

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
votes
1answer
116 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 ...
1
vote
1answer
184 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 ...
15
votes
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 ...
0
votes
1answer
78 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 ...
-2
votes
1answer
53 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 ...
20
votes
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
votes
1answer
133 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 ...
1
vote
0answers
28 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
votes
1answer
125 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 ...

1
3 4
5
6 7
17