Questions tagged [gpl-3]

The General Public License, offered by GNU. Use this tag if the question involves version 3 of the license.

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What does “distribute with full source code” mean in GPL?

I want to use Stanford-nlp in my project to implement some search. But it is under GPL license. I found the following lines: "if your company ever make changes to the software and want to distribute ...
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1answer
64 views

choose between open-source or close source

if hypothetically I have developed special software, and I only want author recognition for it (leaving money aside) can i choose to distribute my creation as open source without other people usurping ...
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1answer
461 views

How to write additional permission for LGPLv3 license

I’m planning to release my code under LGPLv3 license but I can’t find answers to several question. Let me describe my situation: I’ve created library and want to use LGPL v3 license for this code; ...
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3answers
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Is it legal to use GPL3 licensed code without open-sourcing the app itself?

I have found the app, which uses the code, released under GPL3 license, however, the app itself isn't open-source. For the last two days tried to find a reasonable answer but couldn't find any. Might ...
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1answer
163 views

Is it a license breach to post GPLv3 content to Facebook?

We are discussing if it would be a license breach to post / distribute GPLv3 licensed material on Facebook (of course with attribution to the origins of the material and the owner)? Some say if you ...
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1answer
211 views

Dual licensing of a file

My project is licensed under GPLv3. However, I want some files to be dual licensed under GPL and Apache License 2.0. What to write: a. in the header comment of the file licensed under Apache License ...
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2answers
1k views

Can I hide a few lines of code because of security reasons?

I am working on a little project, and I consider making it open source (GPLv3). But there is one little problem: There are a few lines of code I don't want to show off to the public because of a ...
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1answer
545 views

Is GPLv3-only compatible with GPLv3+?

Suppose I'm working on a GPLv3-only project, and find some code licensed as GPL3+. Can I incorporate that code freely in my software without changing my license? If a hypothetical GPL v4 is released, ...
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1answer
230 views

gpl-3 vs agpl for a telegram bot

I used the gpl3 license for a telegram bot. I later realized that maybe it's not the best license since if someone forks my project, he is not distributing it, but it runs his own instance of the bot ...
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1answer
486 views

Will there be any obligation if I distribute GPLv3-licensed software inside the Docker container?

I have a GPLv3 code inside the container which I am planning to distribute. I also have a proprietary code in the same hardware where the GPLv3 code inside the container runs. Does this mean I have ...
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2answers
181 views

CC BY-NC-ND project containing GPL-licensed work

I recently downloaded some source code that is licensed under CC BY-NC-ND, but contains code licensed under GPLv3 that it is dependent on. Which license am I granted the rights of? GPLv3 states that:...
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2answers
179 views

Proprietary software calling OpenModelica (GPL v.3)

I have the following apllication software setup: A numerical simulation "engine" = OpenModelica (which in open source, released under GPL v.3), used to simulate e.g. hydraulic systems; A proprietary ...
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1answer
351 views

Mixing GPL v3 and Proprietary library

My application has two parts GUI and a backend algorithm module. I have used a library under GPLv3 to write my GUI. In the GUI we can create a workflow of different digital signal processing units so ...
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2answers
10k views

Can a non-GPL python program use GPL Python module?

Suppose I have a Python library which is distributed under the GPL license. I would like to use that library in my program, that I may eventually want to distribute under non-GPL terms. The library ...
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4answers
535 views

How to anonymously submit GPL licensed source code to a science fair?

I've created a personal project and licensed it as GPL3 (I'm a fan of the open source movement). The source code is posted publicly on GitHub. I'm planning on submitting it to the Siemens Competition, ...
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1answer
1k views

Is every license that is GPLv3-compatible also AGPLv3-compatible?

The GPLv3 and AGPLv3 are quite similar. They differ only by an additional requirement in the AGPL that makes a network service powered by a modified AGPL-licensed work operates like conveyance of the ...
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1answer
784 views

Is the Facebook BSD+Patents licence (aka "The React Licence") compatible with the GPL?

Is the Facebook BSD+Patents licence compatible with the GPL (GPLv3), in the sense that one could: use code licensed under BSD+Patents, as part of a project, the rest of which you write yourself (own ...
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1answer
111 views

Can we keep the components of a derivative work open source, but allow the work as a whole to be closed?

We are creating a repository of resources so that people can build software or create videos or artwork using our material as their basis. We are making a virtual Moon colony and a website of related ...
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1answer
395 views

Licenses compatibility with EPL

My software is a static analysis tools for old languages. I'm currently writing new tests and I wanted to use some files from open-source projects on GitHub. However, I'm kind of lost with licenses ...
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1answer
2k views

Is it possible to restrict GNU GPLv3 to non-commercial use only?

I've noticed that the jQuery plugin "Fancybox" has a peculiar licensing note in its header: // Licensed GPLv3 for open source use // or fancyBox Commercial License for commercial use // // http://...
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2answers
325 views

GPL in a runtime environment

I'm making a runtime environment for Squirrel that includes embedded functions for basic I/O needed in games. The idea is that it would just run Squirrel files (.nut or .sq) or its own format for ...
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1answer
1k views

Code obfuscation and GPL3

I have a project, written in Python, which has lots of different functionalities. I will sell this project to third parties. I'm calling a GPL3 licensed Python program via a subprocess call in parts ...
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1answer
251 views

Are Amx Mod X plugins under GPL v3 license?

The Amx Mod X is: AMX Mod X is a versatile Half-Life metamod plugin which is targetted toward server administration. It has a wide array of scripting capabilities so people can write "plugins", ...
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1answer
398 views

Can I license my artwork and GPL code under cc-by-nc-sa?

I have a collection of artwork licensed under CC BY-NC-SA. I want to include some code licensed under GPL. Can I include all of it under CC BY-NC-SA? If not, what should I use? The situation: ...
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2answers
249 views

Relicensing from GPLv3 to GPLv2

I have an open source project on GitHub released under GPL3. I want to re-license it under GPL2. 99.9% of the program is written by me, only few lines of code is written by other people. Can I re-...
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2answers
117 views

Re-assigning copyright on GPL licensed software - does the assigner still have a copy?

I have built upon software that is released under GPLv2 (with the 'at your option, a later version' addition), and am now conveying that software to my client under GPLv3. Of course, I provide the ...
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2answers
908 views

copyleft licenses allowing dynamic linking with open-source program only

I am writing a library, currently under GPLv3 because I do not want my lib to be linked with a non open-source software. A friend of mine is writing a program under the MIT X11 License and needs my ...
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1answer
491 views

Can I use images and resources available with GPL3 code?

I would like to use images available in a GitHub repository that is marked with GPL3 license. If I proper reference it, can I use and modify it without author's explicit consent? If so, is it still ...
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1answer
326 views

Is the text in my open source project under the GPL?

I have an open source project that used to be under the GPL licence (now it has no licence). In this repository I had many short stories. My intention was for the code to be open source but the ...
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2answers
305 views

How do I make GPL "or later" contributions to a GPL "only" project?

I am making contributions to a GPLv3-only project. I want to make it clear now that, when the time comes, I am happy for my contributions to be used in any later version. This way, if the maintainers ...
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0answers
40 views

Keeping contributions and allowing free use of libraries. i.e. Complex licencing issue

I have an idea for a modern compiler project which will involve, at least at the start: A driver program. A set of libraries that implement the compiler, much like LLVM/Clang. A runtime library that ...
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1answer
194 views

Is it possible to distribute source of gpl3 Android app with email?

Is it ok if I put an email address in "About" of application, and every user who asks for the source code emails me and I send him/her by email? It’s an Android application and I will distribute it ...
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2answers
272 views

How can I exclude a target platform from an open source licence?

I'm developing a software using a game engine that can cross compile the result for different targets (HTML, Android, IOS). I'm planning to release the software under an open source licence. Eg. ...
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2answers
668 views

Under what licenses can I release open source software that uses PyQt?

Situation I have two software packages for which I need to choose a license and I'm not sure if they get along with the PyQt licensing schema (which uses the GNU GPL). Package A uses PyQt in a sense ...
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1answer
401 views

Is a repo with just a COPYING file GPL-X-only or GPL-X-or-later?

It is a common convention to include the full license text in a file named COPYING (or LICENSE) in the root folder of a repo. Sometimes, the developer: does nothing more (no copyright byline in the ...
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1answer
52 views

Incorporating GPL patches into commercial version of our software

If we distribute our software both GPL and under a commercial license, do we have the right to incorporate third party patches into the commercial version of our software?
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2answers
699 views

GPL and Python import statement

If a Python module X is licensed under GPL and a Python script or module Y imports X, does it make Y necessarily GPL also?
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4answers
2k views

If a project is released under GPLv3+ and GPLv4 is less restrictive what happens?

I've seen in multiple places project owners choosing to stick with GPLv2 to prevent the FSF from releasing a license that the project owners don't agree with but I've never seen reasoning beyond the ...
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1answer
150 views

Licensing for research collaboration between EPL and GPL

I work as academic researcher in software engineering. We have an agreement with our university that we can release source code under EPL. Currently, I work on two interrelated research projects (...
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1answer
169 views

Use a modified GPLV3 library - what code should be made public?

Situation: A commercial product, using a locally modified GPLV3 licensed library. GPLV3 clearly requires to disclose source code. Question: Which source code are we talking about about ? (a) The ...
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2answers
455 views

Shouldn't LGPL v3.0 provide exception to section 5 (instead of section 3) of GPL v3.0?

Taken from section 1 LGPL v3.0 (https://www.gnu.org/licenses/lgpl-3.0.en.html): You may convey a covered work under sections 3 and 4 of this License without being bound by section 3 of the GNU GPL. ...
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1answer
107 views

Are the terms of LGPL 3.0 already covered by GPL 3.0 aggregate definition

Are full terms of LGPLv3.0 already covered by GPLv3.0 section 5 under the terms of an "aggregate"? A compilation of a covered work with other separate and independent works, which are not by ...
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1answer
95 views

Manufacture PCB's using GPLv3 license

I own a startup company that manufactures PCB's. We decided to release them under the GPLv3 license to eliminate the hassles of patents and so forth. Another factor is that we use code on the ...
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1answer
429 views

winpthreads license in a GPL project

I have a project that i have licensed under the GPL, and I would like to start working on parallelizing parts of it using OpenMP. To do this on windows using GCC, I apparently have to include the ...
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2answers
4k views

Of the differences between the GPLv3 and the AGPLv3 texts: what to make of them?

When I review a side-by-side diff of the GPLv3 and the AGPLv3 the only significant change seems to me to be this addition in the section 13 of the AGPLv3: Notwithstanding any other provision of ...
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2answers
140 views

Maintaining old Android app under GPLv3

I want to change an old Android app that is under GPLv3. I will do some refactoring of existing code, add some new functionalities and publish it as commercial app. What part of code I must publish ...
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1answer
1k views

GPLv3 redistribution: when does it apply?

I have written a Java program designed to run server-side with a plain HTML web interface: I am reusing and I have integrated in this app a bunch of third-party libraries that are licensed under the ...
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2answers
890 views

Can I distribute GPL software built by a custom compiler? [duplicate]

The license (I pick GPLv3 as an example) says: The “Corresponding Source” for a work in object code form means all the source code needed to generate, install, and (for an executable work) run the ...
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1answer
1k views

Can I sell my project using GNU GPL v3?

At first, I always developed commercial projects only, so I bad know GNU licenses. Now, I want to make my library available for other developers. And maybe to find co-developers. So, I chosen GNU GPL ...
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1answer
2k views

Using a GPL V3 library in a Android app published on Google Play, do I need to release the application's source code?

I'm in a situation where I'm considering using a GPL V3 library in a module of an Android application. The application will be published to Google Play and will be available for free download. My ...

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