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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2answers
182 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
34 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 ...
0
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1answer
172 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 ...
-6
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2answers
177 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. ...
7
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2answers
347 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 ...
2
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1answer
253 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 ...
1
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1answer
39 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?
3
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1answer
338 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?
9
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3answers
790 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 ...
3
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1answer
109 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 (...
1
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1answer
118 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 ...
5
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2answers
292 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. ...
2
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1answer
80 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 ...
3
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1answer
71 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 ...
3
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1answer
339 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 ...
4
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2answers
772 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 ...
1
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2answers
99 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 ...
3
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1answer
602 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 ...
3
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2answers
443 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 ...
1
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1answer
635 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 ...
4
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1answer
1k 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 ...
8
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1answer
3k views

Is it legal to bundle Oracles JRE with an open source program?

Is it legal to bundle Oracles JRE together with the binaries of a (non commercial) open source program (GPLv3)?
5
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3answers
908 views

Software is under GNU/GPLv3, which licence to chose for pictures taken from it?

So, I recently released a FOSS software with a GNU/GPLv3 licence and just realized that the software can be used to produce pictures. I want the pictures to be free (as in freedom) in any case and ...
4
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2answers
717 views

Can license-incompatible program communicate with GPLv2 program via websocket?

I'm writing a program for automation under a license that is incompatible with GPLv2 (it's dual-licensed: GPLv3/Proprietary). Let's call it my automation program. And there is third party GPLv2 ...
4
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1answer
219 views

GPL3 project with EPL library

I am making an opensource project and I would like to cover it with the GPL3 license. I also plan to use a library that is released under EPL license (https://github.com/forge/roaster). Is this ...
8
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2answers
3k views

Hardware with GPL firmware

I would like to know if selling a hardware product which runs a firmware is considered as conveying that firmware. For example, if I want to use a GPLv3 library statically linked with my own code, I ...
7
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1answer
2k views

Java and AGPL 3: how far does license extend into web app?

I want to use a java library released by someone else having an AGPL3 license. I'm not modifying their library, but I do link to it using import com.theirlibrary.methodABC; in one of my java classes ...
2
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1answer
156 views

Is GPLv3 violated by releasing proprietary code as a GnuPG-signed package?

I'm working on building a proprietary application that I would like to release as PGP-signed Debian packages. I heard I might be forced to release the source to my proprietary application simply due ...
2
votes
2answers
56 views

Is external code review re-distribution of software

I have heavily modified GPLv3 software running on my system. If hire someone external for code-reviewed, will this be automatically a re-distribution of software? Hence I would need to provide the ...
2
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1answer
122 views

Including compile instructions for GPL

What, if anything, must be included with a project regarding how to compile it, to be fully GPL v3 compliant? For example if I'm using Netbeans and simply use it to compile and run the code, what kind ...
5
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2answers
367 views

How much access to the “original” code of a GPL-sourced project do I need to provide, personally?

There's a well-known GPL3 game on Google Play called Pixel Dungeon by watabou (which includes a game engine by watabou called "noosa" which is also GPL3), and it accepts donations in the app. The game ...
6
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1answer
994 views

Can I put ads on a GPLv3 project and upload it to Google Play?

I forked a messaging app on github and added my modification on top of it and it started to build an audience in my country because of the unique ad-on feature I have added. The app acts as an SMS ...
11
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2answers
6k views

Does GPLv3 require attribution?

I believe that GNU GPLv3 does not require attribution, but can be supplemented to do so, as stated in the additional terms (7. b) of the terms and conditions. However, it also states, under the ...
1
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0answers
21 views

GPLv3 in a client - server program [duplicate]

If I develop a program which has a client which uses a framework which is licensed under GPLv3 and this client would interact with a (paid) back-end service would this be compliant with the GPLv3 ...
2
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1answer
35 views

Incorporating closed-source derivative into GPL code

I have a closed-source project. I am the copyright holder. Can I incorporate parts from my closed-source project into an open-source project without running into legal issues commercially using my ...
8
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1answer
329 views

Is an 'un-modifiable' linux a violation of GPLv2?

I have a D-Link DIR-816 router that runs a 'trimmed-down' version of BusyBox v1.12.1 running a linux kernel version 2.6.36 (linsongdeng@gj222d.gj.com) (gcc version 3.4.2) #35 Wed Sep 23 17:23:58 CST ...
6
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1answer
354 views

Can a GPLv3 app be uploaded to the Windows Store?

Let's consider a GNU-GPLv3 desktop application. It is not dual-licensable at all, for instance because a lot of code has been contributed as GNU-GPLv3 by people who can not be found anymore, so ...
4
votes
2answers
1k views

Making a commercial plugin for a GPLv3 software without releasing the plugin's code

I have been developing an open-source software under the GNU GPLv3 license for 3 years (as part of my PhD thesis) and I am releasing the source code to the public. Now I am planning to write a plug-in ...
6
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1answer
712 views

Dual license Apache2.0 GPLv3 for a library with optionnal GPLed code

I have an audio library that optionally uses a GPL sub-library for computing the FFT (FFTW3). At compile time, I can disable FFTW3 and use another FFT implementation (which is slower than FFTW3, but ...
9
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2answers
2k views

If my R package uses GPL packages, does mine automatically inherit GPL?

I've built an R package that uses a mix of libraries licensed under GPL-2 and GPL-3. From what I've read, because of this dependency, my package will also have to be GPL. See here: https://www.gnu....
4
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2answers
99 views

Porting python library code into GPL project

I have a project that I have licensed under the GPL3. In it, I have a section of code which implements a bessel filter, which I ported from the python scipy implementation. I'm unclear on how scipy ...
2
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0answers
27 views

Do I own GPLv3 code that I wrote? [duplicate]

This is a hypothetical question, that has not happened, so please no advice. If I publish some code on GitHub with the GPLv3 license, then want to use that code in proprietary software that I will ...
4
votes
2answers
42 views

Can my GPL v3 software load unamed licensed libraries?

I am writing a non-commercial and academic GPL v3 program and want to know if it is ok to load an unspecified/unnamed closed-source license like this one: Licence BASS is free for non-...
5
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4answers
138 views

Does GPL v3 compel the author to provide source?

A development package I'd like to use is provided as Linux binaries for a single platform. I'd like to build and run it on another platform. The manual, available on the developer's site but not ...
6
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1answer
92 views

Marketing GPL 3 software

I am planning on selling software which is licensed under GPL 3. I have gone through the terms and conditions listed in the GPL 3 license. However, I would like to know if any of the following ...
1
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2answers
52 views

GPL-v3/v2 application logs, use log with another custom application do this application become GPL-v3/v2?

I have one web application A that generates some logs files. The application A may have a GPL-v3 or GPL-v2 license. I want to create a custom application B to read logs of the application A. My ...
9
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1answer
224 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 ...
4
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1answer
233 views

Using FreeBSD licensed code in a GPL3+ project

I have a code project which I have released under the GPL3+, which you can see here. I would like to implement a section of code that would use the lmfit nonlinear fitting library, provided here. The ...
3
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1answer
88 views

nopCommerce GPL-3.0 license and online store's domain specific code and themes

I'm looking forward to building an online store and nopCommerce seems like the right way to go. I would like to make my own theme and extend the code to handle some requirements specific to my store's ...
8
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4answers
794 views

How do you use GPLv3 icons in non-software artwork?

Icon sets are often released under software licenses. For example, I use the Numix icon set, which is GPLv3, on my laptop. Suppose I wanted to use these icons to create a derivative non-software ...