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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 [gpl-3] tag.

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votes
2answers
620 views

Can my thesis LaTeX source files contents be under GPL v3?

I want to release all the LaTeX source files (*.tex), when I publish my thesis. I do not want to just release the PDF. So everybody can build my thesis with a LaTeX compiler from its source code. Can ...
18
votes
4answers
5k 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 ...
17
votes
3answers
1k views

With GPL, what does “source code” mean for non-software?

GPL is a license designed primarily for software, but it can be used for non-software. The license text has many mentions of "source code", which is ambiguous for non-software. GNU/FSF claim ...
14
votes
4answers
799 views

Does using GNU Unifont in a game make the game GPL?

GNU Unifont is a fontface licensed under the GNU GPLv2 or later with this exception: The license for the compiled fonts is covered by the above GPL terms with the GNU font embedding exception, as ...
13
votes
2answers
1k views

Is Stack Exchange's CC-BY-SA v3.0 content compatible with the GPL?

Currently, all user submitted content is licensed under "cc by-sa 3.0 with attribution required". This shows up at the bottom of each page: user contributions licensed under cc by-sa 3.0 ...
12
votes
2answers
3k views

Can I license Python project under 3-clause BSD while it has GPL-based dependencies

I'm working on an open source Python project and we have plans to use GPLv2-licensed library python3-xlib, but we will not distribute it with our library. So user can install it by pip install our-lib ...
10
votes
1answer
263 views

What are the requirements of the crayon license for the Penn Tree Bank Tokenizer

The Penn Treebank tokenizer is fairly widely used. It is a solid tokenizer, that is based only on regex. For example, it is a word tokenizer in NLTK. NLTK does not make mention of it in their LICENSE....
9
votes
1answer
420 views

Does a GPL image “infect” my blog post?

If I use a GPLed image to illustrate a blog post, does that make the text of the blog post part a derivative work, thus "infecting" it with the GPL? Or do only changes made to the image itself count ...
8
votes
1answer
2k views

Shipping GPL'd binaries in commercial product

I've read lots of discussion on shipping commercial products that link against GPLv2/3 libraries, and products that include code from GPLv2/3 software. But I haven't been able to satisfactorily answer ...
8
votes
1answer
339 views

Can plugins for non-gpl open source software use GPL libraries?

I want to write a plugin for an open-source software which is not GPL, but has a GPL-compatible license (MIT/BSD). I would like the plugin to use a GPL library. Can I do this? My rationale: Since ...
6
votes
2answers
3k views

Using a GPL header in a closed source program?

I've recently noticed that some of the userapi linux kernel headers are declared under the GPL. However, I'm pretty sure that you can include linux uapi headers in your code without your project ...
6
votes
1answer
226 views

What part of Android will now have to be under the GPL?

Google said that “As an open-source platform, Android is built upon the collaboration of the open-source community,” a Google spokesperson told VentureBeat. “In our upcoming release of Android, we ...
6
votes
2answers
1k views

Can I publish my iOS app store app code to GitHub under MIT/GPL

I am about to start developing an iOS app which will be published on Apple App Store. While developing this app, I am thinking to push all the code to GitHub public repository; pull requests from ...
6
votes
1answer
1k views

Bundling JetBrains OpenJDK in closed source software

I am developing a software that comes bundled with JDK. I am planning to use JetBrains OpenJDK for this purpose as it comes with swing support for HighDPI monitors. JetBrains OpenJDK can be found in ...
4
votes
2answers
659 views

Can I use a GPLv3 JavaScript library on a website I'm developing for a client?

I was intending on using a GPLv3 licensed JavaScript library on a website I'm developing for a client. This library would be part of the theme. Will this necessarily make the entire them GPLv3 so my ...
3
votes
6answers
4k views

How do I license, “Use my code as per the GNU GPL, but don't put it on GitHub”

I recently received a "surprise" email asking a question about one of my GPL'ed projects, and referring to code downloaded from https://github.com/icaoberg/mimetex/ That was the first I ever heard ...
3
votes
1answer
96 views

How much does code have to interact for the GPL to take effect?

The GPL says that if you use program A, you agree that if you make a program B that relies on program A, program B must be GPL (otherwise, you violate the GPL and therefore lose the right to use ...
2
votes
1answer
629 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
votes
1answer
285 views

Bundling GPL script with closed source script

So what I'm planning to do is to create a script which one part calls (via Python's subprocess) external open source script licensed under GPL-2. To make it easier for users I'd like to distribute ...
2
votes
2answers
409 views

Can I use a library that is dual licensed GPL + LGPL as if it was only LGPL?

PaGMO 2 includes both GPL and LGPL in their copyright notices: Copyright 2017-2018 PaGMO development team This file is part of the PaGMO library. The PaGMO library is free software; you can ...
1
vote
1answer
166 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?
12
votes
4answers
4k views

Can I use GPL software to provide a commercial cloud service?

Rather than create my own software, can I just take existing GPL software and provide a cloud service around it? Will that be legal?
11
votes
1answer
347 views

Can software licenced in Eclipse Public Licence be used in a project with GPL?

JUnit is licenced under Eclipse Public Licence which, according to Wikipedia, is incompatible with GPL. So does this mean if you’re working on a project licenced with GPL you can’t use JUnit? It's too ...
11
votes
1answer
241 views

GPL version not specified, and actual license text not provided with the source

I'm working on porting a very old program (1994) that was released under the GPL. However, the only reference to that license is this text in the header of the C files: This program is free ...
9
votes
3answers
497 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 ...
9
votes
1answer
559 views

Is it legal to charge for distributing the source of a software which uses GPLv2 components?

A device I own uses BusyBox. BusyBox is licensed under GPLv2, hence, the software in my device must have a GPLv2 license. Now, the company says they make the source code available, but for a charge, ...
9
votes
1answer
279 views

Can my closed-source software load GPL v3 data?

The GCIDE is a GPL v3'd English dictionary. If I was to release it bundled with a closed-source application, would loading that data count as "linked source code", and therefore be a violation of the ...
8
votes
2answers
1k views

Using the (L)GPL as an open-source hardware license?

I use the GPLv3 for my applications and the LGPLv3 for my libraries. In a similar fashion I'd like to use them for my open-source hardware projects (GPL for schematic and PCBs, LGPL for schematic ...
7
votes
2answers
227 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 ...
7
votes
2answers
239 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 ...
7
votes
1answer
774 views

What's the typical practice for cases when OSS license violation is found and fixed?

Suppose I ship binaries of a closed source product and it just so happens that there's a piece of GPL source code inside my giant codebase that I'm unaware of. At some point I find this GPL code and ...
7
votes
1answer
192 views

What to do if I found someone broke someone elses' license

I found a nice and useful piece of software, published under the Code Project Open License which is quite permissive - similar to MIT or BSD. Unfortunately the code, as I examined it, contains files/...
7
votes
1answer
260 views

Using GPL resource (with separate installation) with “commercial” product

I'm building a downloadable digital web product for sale. I want to use an open-source third-party library for my product. This third-party library has two licenses available: GPL Commercial I've ...
6
votes
3answers
568 views

What does 'terms that are compatible with the GPL' mean?

From Octave's FAQ, Code written using Octave's native plug-in interface (also known as a .oct file) necessarily links with Octave internals and is considered a derivative work of Octave and ...
5
votes
2answers
730 views

Why does the clause 3 of 4-clause BSD makes it incompatible with GPL?

As explained on the GNU GPL site, the 4-clause BSD is incompatible with GPL because of the clause 3 which states: All advertising materials mentioning features or use of this software must ...
5
votes
1answer
144 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 ...
5
votes
1answer
630 views

Can I show a GNU GPL licensed software in a TV movie?

Am I allowed to show the interface of a GNU GPL licensed piece of software being used in a TV movie? I'm not in the US, so "fair use" and similar applications do not apply unfortunately.
5
votes
2answers
3k views

Is a Web application “released” in the sense of GPL?

In the sense of GPL, is a Web application running on a private server without exposing its code considered "released"? (or is the word "distributed"?) Therefore, if a GPL component is used in a Web ...
5
votes
1answer
175 views

If a non-GPL program is illegally linking to a GPL library, can I assume that program automatically became GPL?

I found a proprietary program which is illegally linking to a GPL library. Since the GPL states that programs which link to GPL libraries must also be GPL, does this mean that I can assume that by ...
4
votes
1answer
527 views

Licenses for scientific software

Edit: This question has been revised into a more specific question here that does not muddy the waters by bringing up the difficulties of supporting scientific software financially. Please see the ...
4
votes
1answer
1k views

Software: If I bundle built (compiled) GPL 2 licensed software with commercial software package how does it affect my software license?

If I bundle a piece of compiled software (in this case, FFMPEG) which is licensed under GPL 2, with my own commercial software (which is not licensed under any form of open source license), does it ...
4
votes
2answers
94 views

Can the original author see other people's modifications?

In the topic Appropriate licence for later merging back, one of the desired criteria was, I want to be capable to merge any derivatives back [...] from somebody who made modifications [...]. ...
4
votes
2answers
238 views

Using a GPL 3.0 parser generator for an MIT licensed program

If I used a GPL 3.0 licensed program like jacc to generate a parser generator which I incorporate into an MIT licensed program, do I have to release my program as GPL? Note that the grammar ...
4
votes
2answers
257 views

License similar to GPL, but allowing to incorporate into the commercial version

Continuing this question: I want a license L which is generally like GPL, but allows us to do the following: License our software under both L and a commercial license. Require that every patch (or ...
4
votes
1answer
706 views

Front-End vs Back-end vs Redistributions - Must I disclose my source?

A couple of the gems that I'm using in my rails backend are MIT licensed and I do want to go commercial with this app - that being said the MIT license requires that I include the copyright and ...
4
votes
2answers
271 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 ...
4
votes
3answers
1k 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 ...
4
votes
1answer
114 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 ...
3
votes
1answer
94 views

Modifications of server software under GPL, with web/CLI interface

Let's say we have a piece of software which is licensed under the GPL. There are no binaries; it's a framework of groups of services and libraries of Python code running on a server. As far as I can ...
3
votes
1answer
901 views

Can Public Domain use GPL licensed library/program?

A similar question already asked here (https://softwareengineering.stackexchange.com/questions/159023/can-cc0-code-use-a-gpl-library) but my question is a little bit different, perhaps more accurately....