We’re rewarding the question askers & reputations are being recalculated! Read more.

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.

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

Distribution and display at fairs / exhibitions

My question is simple: is displaying an unreleased product containing open source software at an exhibition considered distribution? In particular, I am concerned about GPL obligations. If the ...
1
vote
0answers
131 views

Building programs using qmake

Can I use qmake to build Non Qt programs with a closed source or MIT licence? The c++ code that I'm building does not include any Qt headers or link to any Qt libraries. The only mention of Qt in ...
2
votes
1answer
120 views

(A)GPLv3 - 'covered work' and 'based on'. is it really viral?

In AGPLv3 and GPLv3, clause 5c says: You may convey a work based on the Program, or the modifications to produce it from the Program [only if you] license the entire work, as a whole, under this ...
0
votes
1answer
172 views

How is the FreeBSD project able to legally distribute GPLv2 software?

FreeBSD publishes "ports" (FreeBSD's term for packages) of software covered by the GPLv2, such as MySQL 5.6. The GPLv2 states: You must cause any work that you distribute or publish, that in whole ...
2
votes
1answer
185 views

Is source code required to be published if a program embeds GPL software?

ExpressVPN, a free VPN service, embeds OpenVPN and LZO inside its iOS application. These two pieces of software are both licensed under GPL. To my understanding, ExpressVPN must make source code ...
1
vote
0answers
66 views

GPL Wrapper around Closed Source Assemblies

So I have been using this software for quite some time. AdvancedHMI According to sourceforage page is is licensed under GPL v2. At AdvancedHMI.com it states How is AdvancedHMI licensed? A: ...
1
vote
2answers
968 views

Is selling a cloud service based on a Docker image considered distribution from GPL's viewpoint?

I have read some topics about GPL, Docker images and distribution. As far as I understand you have to provide the source code of all GPL licensed programs within a Docker image but not your own ...
1
vote
1answer
61 views

Clarification on use of GPL open source code

I am a little confused around the restrictions surrounding my use of existing (GPL) open source code. I plan on using open source code (GPL license) to build an application - my plan is to use and ...
2
votes
1answer
356 views

How do I combine MIT licence with GPL?

In my project there are a few library files that I would like to release under the MIT license. The rest of the project is released under GPL. How can I make it clear to someone who reads one of the ...
4
votes
1answer
198 views

Can I deploy a docker-compose.yml that uses MySQL commercially?

As far as I know, I can sell to one of my clients a PHP web service that connects to a MySQL server that I host without making my PHP sources open source. This is because the PHP code only connects to ...
1
vote
1answer
125 views

Using a GPL external executable within a commercial web application

I want to develop an idea for a commercial web application. To provide that service (and get paid for it), I need to use an external executable software somewhere in the process, which is licensed ...
0
votes
0answers
98 views

Does video game code that uses a GPL engine have to be GPL?

Lets take a specific example. The ioquake3 engine is licensed under GPL v2, however the engine can't do anything by its self, it needs code that has been compiled into .qvm binaries in order to create ...
1
vote
1answer
260 views

Is it permissible to install Cygwin (GNU GPL) and its packages from within an installer for a proprietary and commercially sold application?

Is it legal to package the Cygwin installer executable — and some of its corresponding packages — and run it from another installer that installs a proprietary and commercially sold application? ...
3
votes
1answer
113 views

Can a Proprietary Application Exchange Data with a GPL'd Program?

I am considering extending a proprietary application so it communicates with an open source program. This open source program is very similar to Matlab. The user can input commands to execute ...
2
votes
1answer
392 views

Does program that uses EBPF module needs to be distributed under GPL

I have a question about eBPF and linux kernel licensing. Basically, an eBPF module is a small piece of code that is run inside Linux kernel, and can use kernel methods that are marked as GPL-only (eg. ...
0
votes
0answers
385 views

Can I use GPL-licensed software in a commercial program?

Can I use GPL-licensed software in a commercial program? I know that the use of source code in a commercial program is forbidden but if I use system call functions for example I make the call a bash ...
3
votes
2answers
174 views

What additional benefits does the DCO provide?

If my project has a lax license (like Expat/MIT), I can enforce "inbound=outbound" by requiring that contributors sign off their commits in order to acknowledge the Developer Certificate of Origin. I'...
-1
votes
1answer
737 views

Is it legal to multi-use a 100% GPL theme from ThemeForest?

If you go to the Google search site:https://themeforest.net/item/ This item is licensed 100% GPL, you will find a lot of GPL themes. Is it legal to use a theme which I buy once in multiple sites? (...
2
votes
0answers
69 views

Proper place to include the license of a dependency

I'm developing a GPLv3 project, and i need to use both the feather's icon set, licensed with MIT license, and the PyQt5 library with GPL. I don't need to rewrite or extend any content of the these ...
3
votes
1answer
112 views

Does a (L)GPL3 device still need to provide it's original service after modification?

Let's assume I am building an embedded linux device using amongst other things (L)GPLv3 software. The device is sold to non-business users so the anti tivoization clause applies. I want to be ...
2
votes
1answer
167 views

VLC and VLCJ licenses

I'm confused about the licenses GPL and LGPL. I see that VLC is released under LGPL license since sept 2011: https://www.videolan.org/press/lgpl.html. But VLCJ, which is a Java wrapper on top of VLC, ...
-2
votes
1answer
52 views

Free Pascal and LGPL

I want to modify this program and compile it using Free Pascal compiler. The above program is licensed under GNU General Public License version 3. I know little about Free Pascal, and reading the FAQ ...
2
votes
2answers
640 views

What is the license of LibreOffice?

According to https://www.libreoffice.org/about-us/licenses/: LibreOffice is made available subject to the terms of the Mozilla Public License v2.0 which is reproduced below. It is based on code ...
3
votes
2answers
1k 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 ...
3
votes
1answer
92 views

Meaning of “and” and “additionally” connectors with two Open Source licenses

[This question is an expansion of the question "Meaning of OFL and GPL" because of limits on the number of characters in comment-responses]. I am unsure of the meaning of the terms "and" and "...
4
votes
1answer
692 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
1answer
221 views

Moving project from AGPL to Apache v2 / MIT license

The question in a nutshell Hi! Together with a team of brilliant engineers we've been building a software project (http://luna-lang.org) for the last two years and now we want to release everything ...
0
votes
0answers
137 views

How could other people know that I'm using GPLed libraries in my application?

I know nothing about GPL before, and I am living in a country that doesn't have much care about licenses either. I am studying this GPL thing today and I came to know that when I am using a GPLed ...
3
votes
1answer
79 views

Licensing concern for an application?

I'm looking for advice in regards to licensing. I started coding an application in my free time for some months now. It began as coding practice, but as time progressed it got more serious and there ...
6
votes
1answer
596 views

Using GPL licensed library over a service for non-GPL softwares

I want to use a GPL v2 licensed library(esper) for commercially distributed non-GPL softwares but I need to make sure non-GPL software not violate GPL license. Can I use this library indirectly using ...
3
votes
1answer
130 views

How does GPL work for articles on a website?

Suppose I own a website and 3 people are writing articles on the site including myself. My question is whether I can use a GPL license for the articles I write? What happens if I write an article and ...
1
vote
1answer
283 views

Can I make proprietary software with Julia?

Julia, a high-level, high-performance dynamic programming language for numerical computing that has some dependencies. One of them is GMP, an external library that has a GPL2+ license. In that case, ...
-3
votes
1answer
386 views

Difference between GNU-GPL and BSD?

I was wondering what is the difference between these two licenses? I have looked around for GPL but in some places they say you have to post your code to public and in some places they say you don't ...
1
vote
1answer
508 views

Can I modify and resell themes which are on WordPress official theme directory (100% GPL)?

According to WordPress Licensing & the GPL, themes on the official WordPress theme directory should be 100% GPL: If you wish to submit your creation to the free theme repository on WordPress....
4
votes
2answers
198 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 ...
3
votes
1answer
86 views

The GPL states that its text should be reproduced verbatim. What does this mean?

I made a bit of GPLv2 archaeology for some work I do to help clarify the Linux kernel licensing. In doing so I found at least six versions of the GPL 2.0 texts published by the FSF over the years. ...
13
votes
2answers
3k views

How is the BSD GPL-compatible?

The BSD license says that derivative works may be distributed under the following conditions: Redistribution and use in source and binary forms, with or without modification, are permitted ...
3
votes
2answers
349 views

If some software states it is BSD-licensed, how can it be distributing itself with GPL/LGPL components?

For a specific example relating to my question, I offer VisIt. Per the licensing information for VisIt, it is stated that it is BSD-licensed. But, looking over the libraries used in VisIt, it can be ...
-2
votes
1answer
114 views

Does violating the “four essential freedoms” of the FSF mean you are violating GPL? [closed]

I was reading over a products license information and found out that they use multiple iterations of the GPL license (GPL v2, LGPL, a few more). I was wondering if the product that is licensed ...
5
votes
1answer
163 views

Splitting a project into copyright and copyleft

Say I've been working on this java project for over a year, and it's necessary for this project to reference a GNU GPL licensed software library somewhere in there, then the whole thing suddenly poof ...
4
votes
1answer
280 views

What does the Zstandard dual license mean?

I am looking at the Zstandard library and it says that it is dual licensed, BSD and GPLv2. What does it mean? If I use libraries in a non open source program will the license be GPL or BSD? In the ...
10
votes
4answers
3k views

Calling GPL'd programs from a shell script

I have a program written in a shell language that consists of several shell script files. Some of these files execute external commands that have been licensed under GPL. Do I have to release my ...
4
votes
1answer
141 views

How to best deal with email suggesting an attempted/pending gpl violation

I received the email, reproduced below, requesting a new feature in one of my gpl programs, which this company would then build into one of their closed-source products (see the email for details). ...
1
vote
2answers
40 views

Raspbian as OS of a controller module of a machine

I'd like to use a Raspberry Pi as a controller of a rather complex medical machine. For several reasons, most prominently safety reasons, it is out of the question, that we could give the source code ...
7
votes
1answer
636 views

What is the purpose of “or (at your option) any later version”? What if I don't want this?

Firstly, what is the exact purpose of the phrase "or (at your option) any later version" that usually accompanies GPL-licensed software? I get that it's supposed to be to allow future freedoms to be ...
5
votes
1answer
726 views

Can a video game have a GPL licensed engine and GPL-incompatible licensed assets? What about scripts?

I've heard that it's possible to use a GPL game engine that interprets/loads/JITs a so-called Game Pack which contains all the important game files such as sprites, sounds, music, levels, missions, ...
1
vote
1answer
123 views

GNU GPL v2 - Using libraries?

I had a question about the GNU General Public License v2 license. More specifically, I'm using a library with a GNU GPL v2 license. I'm merely importing it in Java through Maven, I'm not ...
-1
votes
1answer
289 views

If I build a smart bomb with Linux inside, is it enough to put the GPL text in the firmware to comply with the GPL?

If I build a smart bomb with Linux inside, is it enough to put the GPL text in the firmware to comply with the GPL if I drop the bomb? I reckon that when I sell my bomb to the military, they are ...
2
votes
1answer
101 views

Is this an appropriate use of the GPL?

I'm currently producing an application for a client, where I'm writing all the source code myself from scratch. The client is paying me a one-off fee for development work. The plan is for the client ...
0
votes
1answer
120 views

Explanation about open source codes and licences

I need to understand rules that I only read but never understood completely. I'm asking here some clarifications. I read that GPLv2 licence imposes that a developer, developing a software using codes ...