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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 [tag:gpl-3] tag.

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Am I legally required to provide a (GPL licensed) source code even after a project is abandoned?

I plan to develop an Application using an easy to use GPLv2 licensed libraries. Once my app is complete I plan to distribute it FREE and OPEN SOURCE complying with GPLv2 copyleft requirements. The ...
2
votes
0answers
20 views

Licensing question about using OpenJDK to build and run

I have a small java application which I was building with Oracle JDK till now. Now I am migrating this application to OpenJDK11 and am bit confused with the licensing. I am using RedHat distribution ...
1
vote
2answers
30 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 ...
2
votes
1answer
32 views

GNU AGPL/GPL 3.0 and Docker containers

So we have been discussing the implications of the GNU AGPL/GPL 3.0 license on our distributed code. I will make things, extremely simple. I hope. We will use AGPL in this example. We will write code....
1
vote
1answer
39 views

Is open source license compatible with a patent-encumbered standard?

Let's say heic is a patented image format. There is an open source implementation of heic called "libheif". GIMP use it to edit heic images, however, development team of Eye of Gnome(EOG) refuse to ...
5
votes
1answer
202 views

Calling GPL'ed socket server inside Docker?

These questions can easily devolve into philosophizing, so let me be concrete: There is open source software X licensed under the GNU General Public License (v2 or later). X runs as a stand-alone ...
1
vote
2answers
81 views

Can I use GPL libraries in plugins without infecting a host commercial application?

I'm quite confused about what are the obligations of GPL libraries in the context of plugin based software. Let's say I want to distribute & sell a plugin based app as closed source providing to ...
1
vote
0answers
22 views

Using MySQL JDBC connector, when to disclose source code

Part 1 I would like to use MySQL JDBC connector (called connector) licensed under GNU GPL V2 to exchange data to and from a MySQL database in my project, as far as i can read, If i add the connector ...
-1
votes
1answer
39 views

Distribution of code of a system that uses open source tool with GPL license

I'm sorry if my question is repeated, but I have searched and read allot about this topic and kind of confused and want to make sure at this point. I'm planning to use an open source tool that will be ...
0
votes
0answers
18 views

Do the Huawei App Gallery terms allow for GPL software?

I've asked a similar question about the Amazon AppStore, and now I'm curious about the Huawei App Gallery. Is it possible to submit an app licensed under the GPL v3 or later to that store without ...
1
vote
0answers
21 views

Linking to libtorch/CUDA from a GPL program

I have modified a GPLv3 program to link to libtorch (part of PyTorch). PyTorch is licensed under the BSD-3 clause license. I would like to convey my changes to the original GPLv3 program and the ...
1
vote
1answer
98 views

License for open-sourcing a website theme while disallowing direct reuse

I'm working on a theme for the static website generator Hugo to use for my personal portfolio website. Since I prefer open-source code and would like to keep all my own projects in the same vein, I ...
12
votes
4answers
3k views

Is keeping the forking link on a true fork necessary (Github/GPL)?

This question is about a true fork (with new name, different features, different objectives and not targeting a pull request). When I am developing a new application based on an other project I ...
2
votes
1answer
60 views

Can I license code that links to GPL code under a more permissive license?

I'm working on a project that I want to release under the MIT license. However, it includes a GPL'ed library. I understand this means I must release my work under GPL. Am I able to release the whole ...
3
votes
1answer
62 views

Do Amazon AppStore terms allow for GPL software?

The terms for the Apple AppStore have been shown to conflict with the GNU GPL in such a way as to prevent GPL apps from being in the store — see this question. Are the Amazon AppStore (the standard ...
2
votes
2answers
102 views

If APIs aren't (shouldn't be) copyrightable, how can ZFS-on-Linux infringe the GPL?

Note: This is a question about a specific individual's viewpoints and beliefs. Good answers will cite that individual, or other people with similar beliefs. Bradley Kuhn of the Software Freedom ...
2
votes
1answer
39 views

Is it a GPL license violation to bundle a GPL'd Python script with a closed-source application?

I have a closed-source C++ application that includes an embedded CPython interpreter. It ships with a directory full of example Python scripts that I wrote, which perform useful actions within the ...
3
votes
2answers
110 views

Proper use of Wikipedia code sample in open source projects

Many Wikipedia articles contain code or pseudocode samples. I implemented a pseudocode snippet in a concrete language and am planning to use it in one of my projects. There's another question on here ...
0
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0answers
37 views

How to use the GNU GPL licensed GCC Complier [duplicate]

I have been trying to figure out the GPL and other free software license. I am planning to use the GCC compilers which are licensed under the GPL category. If I use the GCC compiler to compile my C++...
4
votes
1answer
571 views

Are there any AGPL-style licences that require source code modifications to be public?

So my understanding of the AGPL, is that it requires modifications to be distributed to the users of the network service, but I'm looking for a licence that would require any modifications (non-...
1
vote
1answer
68 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 ...
3
votes
2answers
116 views

How to deal with situation where your competitors have access to your source code because you developed it with GPL?

I make an industrial machine control product with LCD touch screen UGI. I use embedded Linux, I use GPL license tools. I am using industrial single board computer which is a bought out product. I am ...
5
votes
3answers
217 views

How to license scientific software to be open while protecting against misuse?

Note: This question is a revision of an earlier question, which MadHatter suggested should be revised into a new more specific question. Note that there is a lot of similarity between the questions; ...
3
votes
1answer
85 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 ...
3
votes
1answer
40 views

How does GNU GPL work in a fullstack Android project?

What is the compatibility in terms of license with an API? For example: GPL license from the client side and PHP license from the server side, is it possible? Can the Android application contain ...
3
votes
2answers
75 views

If MIT licensed code links to GPL licensed code what should be the license of the resulting binary program?

Scenario: I have written a program that uses a GPLv2 library. The source code to my program is publicly available under an MIT license. For the sake of this example let's say my program links to the ...
3
votes
1answer
24 views

Licence for usage of GPL, apache licence

Never though of that before, until read Linus note in Linux kernel: "GPL below is copyrighted by the Free Software Foundation" So, what right do we have to use so called free software licences? ...
0
votes
1answer
27 views

Can i use Qt Virtual Keyboard?

Is this design correct? System Qt 5 has qtvirtualkeyboard thich is GPL. Can I link my proprietary app with system Qt? Can I create open source app which run Qt Virtual Keyboard then load my app as ...
7
votes
1answer
91 views

Does “the GPL doesn't cover the ouput of a program” also apply if the output is source code?

As it is well known (see for example this question or this one), the GPL licenses do not cover the output of a GPL-licensed program. So, I could for example generate some pictures with a GPL-licensed ...
2
votes
1answer
37 views

Debian packaging … is licensed under the GPL version 3 in copyrights file

On Ubuntu I see for many packages copyright file under /usr/share/doc/%PKG_NAME%/. In the file of some of those packages, I see the following at the end of the file (protobuf, which looks like BSD (...
4
votes
2answers
85 views

Release GPL/Open version of project, still sell proprietary license?

Having witnessed projects such as LUFA, which are open source with the MIT license but still have a purchase button for a proprietary license of the toolbox (revoking the MIT License and offering ...
4
votes
2answers
84 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 ...
14
votes
2answers
3k views

GPL code private and stolen

I have a question regarding code which was originally under GPL. The code was used and was built upon and used as a service. The code was kept private, which seems okay under GPL. However, if one of ...
1
vote
0answers
26 views

Does rewriting a library in another language allow escaping GPL? [duplicate]

Given a library A, which is written in C and licensed under GPLv2, and lib B, which is written in Rust and compatible with the API/specs of lib A but the devs have read through the code of lib A, can ...
5
votes
1answer
51 views

Can I GPL licence a plugin for a non-free program

I am working on a plugin (in lua) for a proprietary program, but would like to make my plugin open source, and require that anyone making derivative works/plugins also do so. This seems like a good ...
0
votes
1answer
57 views

When must a project that uses GPL licensed projects use a GPL license?

i have a project that needs to use tools licensed under the GNU/GPL license. my question is: must a project that a uses GPL licensed tool like netdiscover be licensed as a GPL project? if my ...
-1
votes
1answer
62 views

Can I create a GPL wrapper that runs my closed source application combined with a GPL part

I have this situation: I have my application implemented as propriety library. (Like a GUI component that could be embedded in something else) I have a virtual keyboard library that is GPL. I would ...
0
votes
1answer
44 views

What is really accepted as an open source project for GPLv3?

Let's say I want to use a Javascript component that is under the GPLv3 license. That forces me to license my product under an open source license compatible with GPLv3. So, let's say I have an ...
1
vote
2answers
72 views

Is it legal to fork “gpl 2 or later” software and make “gpl 2 only” changes

I've found interesting open source project (mostly dead now) and I would like to fork it, fix some bugs and use it. The project is licensed under "gpl 2 or later", however I'm not big fan of "gpl 3", ...
1
vote
1answer
34 views

License Selection for An Open Document Project with Codes

I am planning to open some my technical notes with example code snippets. Text will be in Markdown (.md) and reStructuredText (.rst) files. Output document (PDF or HTML) will be generated, let's say ...
1
vote
1answer
47 views

Is LGPL compatible with GPLv3?

If I have a project using LGPL (GNU Lesser General Public License), would I be able to use within it another component which is under GPLv3? Is there any site where I can see all the compatible ...
14
votes
4answers
2k views

When distributing a Linux kernel driver as source code, what's the difference between Proprietary and GPL license?

The company I work for is selling PCIe cards. I'm writing the Linux driver for it as a Linux kernel module. When selling these PCIe cards, we give along the Linux kernel driver as source code. ...
3
votes
1answer
41 views

GNU General Public License version 2 on a game image resource

I am creating a commercial game, with most resources using CC-BY-xx licences for graphics, sound etc. I have found some graphics that i want to add to my game. However, these graphics are licensed as "...
1
vote
1answer
134 views

Java OpenJDK 11 and Spring licenses

I'm developing a web application with Spring (and Spring Boot) and Open JDK 11 and I'm very confused about their licenses and how I can combine them. Open JDK 11 is released under GPL GNU 2 (with ...
5
votes
1answer
1k views

GPL - Is it required to post source code to the Public - when is a software released?

The GPL FAQ "Does the GPL require that source code of modified versions be posted to the public?" contains this statement (emphasis by me) The GPL does not require you to release your modified ...
3
votes
1answer
37 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
votes
1answer
80 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
60 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
43 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
67 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 ...