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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What counts as disclosing source for software licenses?

MPL v2, GPL v3 and other licenses alike require giving users access to source code. For desktop applications - does access have to be provided through the user interface (GUI)? Or can it just be ...
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GPL and “shadow Linux”

This is a follow up of my existing question Does GPL apply to proprietary software that is linked in through a compatibility layer, but has a new major focus (i.e. the shadow Linux). Suppose a Linux-...
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Does GPL apply to proprietary software that is linked in through a compatibility layer

For example, suppose a compatibility layer is developled that can use Windows driver binary directly in Linux kernel (feasibility of such a layer is another story which is also discussed bellow), then ...
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1answer
68 views

No way to write a commercial product in R?

I want to write a small program in the R language, connecting to DB (hence using packages), that I'd like to sell. As it will connect to DB, on internal networks, that can't be hosted. I tried to ...
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According to the GPL FAQ use within a company or organization is not considered distribution. What is the legal definition of a company/organization?

https://www.gnu.org/licenses/gpl-faq.html#InternalDistribution : Is making and using multiple copies within one organization or company “distribution”? No, in that case the organization is just ...
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Using GPL licensed project in closed source as copyright holder? [duplicate]

I am currently working on security-related tool that I want to release for free as open-source but I would also like to see if I can earn a bit of money on my project by offering a paid "Pro"...
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1answer
45 views

Site that sells GPL code has extra terms that say I can't resell it. Is this legal?

I found a website which sells a WordPress theme licensed under GPL that has this in their terms on the checkout page: Our products are licensed under the GNU General Public License (http://www.gnu....
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1answer
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Understanding GPL & LGPL: Free Software with zero-cost, proprietary libraries

Background: This question is derived from a previous question. I am writing a Blender add-on which enables the use of Blender with a piece of hardware (i.e., a lightfield display). Blender and the ...
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1answer
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Choosing a license in Arduino environment

I wrote a C++ library for Arduino. The source code have the following specificities: it includes headers, uses functions, macros, and structures/classes (and their methods) from LGPL libraries (...
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3answers
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Understanding GPL: Blender Add-on + System Library

Basic Information I am writing a Blender add-on which enables the use of Blender with a piece of hardware (i.e., a lightfield display). Blender and the use of the specific Python API, which is ...
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1answer
95 views

OpenJDK GPLv2+CPE and Spring (Apache 2.0). Can I use them together?

I understood Apache 2.0 is not compatible c GPLv2, but OpenJDK uses GPLv2 with CPE. Apache 2.0 allows linking CPE allow linking. So can I use it together without modification code of OpenJDK: OpenJDK (...
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1answer
25 views

Call GPL functionality from non-GPL interpreted code

I have code written in R, an interpreted language. The R interpreter and most R libraries are under the GPL. What are the limits upon my code, if I want to distribute it while keeping it proprietary ...
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2answers
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Finding right license to support open source community only. GPLv3 too strict, LGPLv3 too permissive

I have created an open source library ( https://github.com/pitschr/knx-link ) that is designed to be used by other open source projects; not by end users. Currently it is licensed as GPLv3. My main ...
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1answer
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Is it possible to license that header file to LGPL but implementation to proprietary license

Suppose someone is writing a proprietary software that uses a shared or dynamic library that is licensed under the GNU LGPL license. If he wants to change the LGPL library code, he make some functions ...
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1answer
60 views

Is the EDL v1.0 GPL-compatible?

The GPL compatiblity overview compiled by the GNU foundation does not mention the Eclipse Distribution License. Is this license compatible with the AGPL v3?
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Is it permitted to prohibit a certain individual from using software that's under the AGPL license?

I recently found an open-source class library that declares that it "has the permission to prohibit a certain individual from using it" and I can't stop wondering if I published an open-...
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2answers
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Adding GPL classpath exception to program

GCC has a special exception that doesn't force you to use GPL for programs compiled with GCC. If I for example had program foo, how can I apply the classpath/GCC/linking exception to it as well? Do I ...
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2answers
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Can my paid WordPress plugin have a proprietary license?

WordPress is licensed under (GPLv2 or later). WordPress states that all plugins hosted under the WordPress Plugin Directory must be licensed under GPL. We have a Free version of our plugin that is ...
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1answer
320 views

Using GPL image server with proprietary applications

I have a proprietary desktop app that uploads images, and a proprietary web app that displays the images. Can I use a GPL image server for these images? I am reasonably sure the answer is yes, and the ...
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1answer
59 views

Implementing the same idea under GPL and under MIT

What are the limitations and constraints if one wants to implement the same idea in different languages requiring different licenses? To make it more concrete, say some algorithm should be implemented ...
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Use GPL licensed software externally? [duplicate]

I want to use scapy for my commercial project but scapy is licensed GPLv2. I use scapy as a parser for packets and I wonder if it is OK if I create a separate wrapper module using scapy and get input ...
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Do I have to include licenses of my libraries if I don't publish them?

Case 1: I'm currently developing a plugin for GPL Software/ am using the GPL-licensed API to develop the interaction between the plugin and the software. I'm therefore having a dependency added to ...
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How I do pack JAXB 2.3.3 with my open source programme?

I wrote a little java programme in Java 8 that uses a lot JAXB stuff that I ship as a free JAR, licensed under GPL. Users that have installed Java 9/10 installed need to use jvm parameters to run it. ...
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1answer
45 views

Using Neo4j for SaaS

I've been designing an interesting new project that is based on a graph database: to put it simply, what I'm going to sell (SaaS) is an API with access to a graph database, which is implemented in ...
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3answers
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If a piece of software does not specify whether it is licenced under GPL 3.0 “only” or “or-later”, which variant does it “default to”?

I want to package a piece of software which only states its licence through a file called LICENSE in its repository. Said file contains the GPL 3.0 verbatim. What isn't clear is whether this means &...
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1answer
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License compliance for a closed source client calling open source server interface to open source library

We have a large proprietary application, a portion of which is a collection of microservers written in Go. We're considering the following: Write a Go microserver, with a GPL license, on top of a ...
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1answer
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GPL libraries on my software

I am attempting to write a Hobbyist OS and found that the CuteOS project is very useful for reference and libraries. The only issue is: it's under the GPLv2, and from my understanding if you use a ...
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1answer
39 views

Where is GPLv2 located in Ubuntu?

Where can I find the GPLv2 license text in Ubuntu 20.04?
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0answers
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Does GPL program not packaged together but loaded into the same process affect my program?

Here is a program released through GPLv3 (https://gitee.com/projectxero/cadroid). I know that if I use a GPLv3 library, then my program will also be released under GPLv3. But I don't use this program ...
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4answers
1k views

How to change the licence of Java project from GNU/ GPL to MIT / BSD / Apache

I had developed a Java application which is connected to MySQL Workbench by using mysql-connector-java-8.0.21.jar file. When I deploy the project and send source code to the client he says that: The ...
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25 views

How to change the licence of Java project from GNU/ GPL to MIT / BSD / Apache [duplicate]

I had developed a Java application which is connected to MySQL Workbench by using mysql-connector-java-8.0.21.jar file. When I deploy the project and send source code to the client he says that: The ...
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1answer
43 views

Inclusion of GPL 2.0 code into my Apache-2.0 program

I am writing a program for data analysis as a part of a bigger bioinformatics pipeline. Source code of the program is my own and I licensed it under Apache 2.0 license. However, I need to include two ...
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4answers
3k views

If you distribute GPL-code as non-GPL, can the receiver redistribute it as GPL?

Let's say I have written a proprietary program called MyProprietaryTool. The code has clear licenses on top of each file stating that it is proprietary code. (It's Python, so the code is what will be ...
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1answer
39 views

Question regarding selling code under GPL(?)

I've written code in a project and now we want to publish it and are okay with everyone using it to their liking (e.g. research, companys as a tool in their daily business ("commercially"), ....
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38 views

Can PyQt5 projects use the MIT license?

I maintain a PyQt5 project on GitHub under the MIT license but now I am wondering if I am risking getting in trouble by not making it GPL... This answer makes me think that releasing my own code under ...
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2answers
100 views

Does communicating with GPL software force me to distribute my source code?

Let's say I have two applications: Server-side application which is written by myself entirely and it communicates with a GPL software in various ways, i.e: HTTP REST API (preceisely it's Asterisk if ...
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1answer
71 views

Are we obliged to host the code, if we distribute(share) build of an exact commit of already hosted(by another party) GPL code base?

Say we are ready to give link and credits to another party's code base. Edits Based on comments:- Planning to give a link to download executable (hosted on a private server). If it has to be hosted ...
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1answer
52 views

how do open source licenses affect ecommerce sites?

I confess I am ignorant about open source software licensing and am trying to understand it better. I work for a retailer that has an ecommerce site. Our ecommerce site is built in-house and uses ...
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1answer
48 views

Translating a software to bypass the licence?

Lets say there is a GPL library written in C++ for example a library that finds some value using some algorithm and there are two individuals A and B. A uses Emscripten on it to convert it into ...
2
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1answer
27 views

Utilization Of GPL v3 Client / Server Components For A Service + Client App

Scenario There is a GPL3 code repository containing a client + server (Say it's a proxy server and client library). I want to create a paid service which uses them. It is my understanding that: ...
6
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1answer
292 views

Is AGPL Compatible with GPL for the purposes of BSL License Change

I would like to license two products, one with AGPL, one with GPL. The requirement we have is that we want to keep the initial release until BSL, but thereafter OSS is fine. I believe the most ...
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0answers
34 views

Modified Version of the (A)GPL [closed]

I'm trying to make a dual-license source-available software that allows copying of the software for the sole purpose of contributing to the original software, with the exception of the copyright ...
5
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3answers
911 views

Asserting copyright infringement against closed source software using GPL code

Now consider two people A and B. A uses B's GPL code to make a software that is closed source and does not follow any other term imposed by the GPL. B files an infringement case against A. A says he ...
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1answer
25 views

When using a dependency with an Apache license but has sub-dependencies under GPL, do I need to open source my own code?

When using a dependency with an Apache license but has sub-dependencies under GPL, do I need to open source my own code? Based on my own research, it appears I would have to abide by the full line of ...
6
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1answer
101 views

A non-bloated license for documentation with the benefits of GPL?

In response to one of the FAQs, FSF has noted: It is possible to use the GPL for a manual, but the GNU Free Documentation License (GFDL) is much better for manuals. The GPL was designed for programs; ...
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1answer
47 views

Commercial app with optional GPL software usage

Say one develops a closed source app that can produce a file of its own format like .ll .Then one asks the user to run a GPL licenced batch script that uses ffmpeg(GPL) to do the final bit. Note that ...
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1answer
27 views

AGPLv3 for fullstack library?

So I am making this library and I wish to monetize it, I got my first client for it and I am already rolling a product made with it, yet I don't have a license yet. The thing more than just a library ...
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1answer
86 views

Including GPL code into BSD project

I have an open source project which I distribute under BSD license. I would like to include parts of iwlib.c, which is part of iwlib project, and which is released under GNU GPL 2. To my understanding ...
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2answers
1k views

Doesn't GPL with CLA defeat the point?

I see that a lot of proprietary projects which make their source available operate with dual licensing model, with the open source version being licensed under GPL v3 and proprietary product being, ...
4
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2answers
100 views

The specifics of licensing public domain code within project under GNU GPLv3+

I'm developing a project which I'm about to release under the GNU GPL 3+ license. It does, however, contain a number of public domain subroutines. Question: How do I go about placing a GPL license ...

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