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Questions tagged [gpl]

Questions about the GNU General Public License. If you intend to ask something about this license, CONSIDER NOT TO ASK HERE. Instead check if **Opensource.SE** (https://opensource.stackexchange.com) would not be more appropriate for your question than this site.

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-2 votes
1 answer
119 views

What counts as disclosing source for software licenses? [closed]

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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2 votes
1 answer
3k views

Do I need to make my code open source or buy a license? [closed]

I want to develop a GUI in python for my company in order to sell it to the customer. Being fresh from the university where I used pyQt, I promptly started programming using that library, just to ...
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0 votes
1 answer
273 views

AGPL - passwords in code

I'm looking at putting up a fan site for an author using code released under the AGPL. Under the AGPL, as I understand it, I would need to publish my code modifications. This is entirely fine. ...
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  • 125
1 vote
0 answers
52 views

Can GPLv3+ library be used as a component of a larger, LPGLv3+ library [duplicate]

The question is in the title. My guess is that the answer is "No", but I would appreciate confirmation. This page mentions as a downside of the Lesser GPL that using it permits use of the library in ...
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0 votes
2 answers
404 views

To what extent can you use LD_PRELOAD to circumvent the GPL?

I'm not exactly sure what the history behind this, but Debian and Ubuntu currently wraps around some of the PostgreSQL utilities with something called pg_wrapper. This utility uses LD_PRELOAD to ...
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5 votes
1 answer
653 views

For GPL, do trained neural network models count as source code?

GPL requires all source code be made available, but I am unsure how trained neural network models interact with GPL since it's unclear if these models count as source code. To have a concrete example ...
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  • 167
-3 votes
1 answer
392 views

GPL with exception to use without publishing the source [closed]

I am using a GPL licensed library which stated clearly that it is OK to link to it in commercial projects without the need to publish your own source code (as an exception to the regular GPL that ...
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8 votes
3 answers
5k views

Can I include a GPL v3 binary with my proprietary application if I prompt the user to download it at install time?

I have a proprietary application that I want to distribute and sell. The application uses a GPL v3 licensed binary/library. Since I don't want to distribute the source of my application and also want ...
user avatar
8 votes
1 answer
368 views

If you manage a BSD-licensed open source project, how do you guard against someone illegally contributing GPL-licensed code?

An open source project licensed under BSD, MIT or another permissive license accepts code contributions from the community. How can I prevent someone from taking GPL-licensed code that they don't own ...
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  • 109
-2 votes
1 answer
91 views

GNU license and hosting source code

Currently working with a client and their lawyers to launch a web application. The website will be hosted in AWS on Debian Linux instances. Debian contains (among others) the GNU General Public ...
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-2 votes
2 answers
852 views

Can I distribute binaries of my GPLv3 software? [closed]

I have licensed my software under GPLv3 and made it available on Github as an open source repository. Am I allowed(under GPLv3) to distribute binary releases of the application so it is easier to use ...
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-8 votes
1 answer
93 views

Work under GPL without license version number [closed]

I understand that I should consult a lawyer for this if this is is an important matter, but since it is not, I am just going to ask here. What are the legal implications if one distribute their work ...
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-4 votes
1 answer
222 views

GPLv2 licensed COM objects called in a commercial application [closed]

I have a legacy application that works with DirectShow filters installed in the system, these are essentially treated as COM components and not directly linked or distributed with the application. If ...
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-2 votes
1 answer
77 views

What kind of license/copyright is this? Can I use this in a GPLv3 licensed project? [closed]

I intent to release my code under the GPLv3 license. No problem to do this, until I came upon a 3rd party file. Their owners have the following statement in it (and no other statement regarding ...
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2 votes
1 answer
291 views

Using Qt in Open Source App that Communicates with Closed Source Hardware

Preface I'm having trouble determining if I can use the Qt framework for developing a cross platform desktop app. Situation The app is open source, and the libraries it uses are also open source. ...
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-3 votes
2 answers
121 views

Do you have to provide source code for code that is loaded later on into memory under GPL? [closed]

Lets say you have a library that licenses with GPL v3. You have two pieces of code, one of them is your "loader" and the other is your real "code". So your "loader" makes a request to a server, and ...
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  • 109
2 votes
2 answers
225 views

Does GNU GPL condition of reusing license apply to me too if I am the creator? [duplicate]

I am developing a library from scratch. If I license it under GNU GPL (or a similar license), which conditions everyone to disclose the source code, does the condition apply to my other projects? Say ...
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1 vote
1 answer
495 views

Am I allowed to use a GPL dynamically-linked library if I'm developing on a proprietary runtime engine?

Basically, title. This is just me trying to clarify part of the GPL for myself. Let's say I'm developing a program that compiles and runs on a non-free runtime engine. I'm perfectly willing to ...
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-6 votes
1 answer
356 views

Selling original GNU GPL software for a monthly fee

My question is actually two questions about GNU GPL and monthly fees: If I build a server and use GNU GPL as a license, can I run it and charge the users a monthly fee without the need to distribute ...
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  • 91
-1 votes
1 answer
106 views

Implications of using Kbuild infrastructure in proprietary software [closed]

We have our own proprietary software that we are developing for commercial business. We want to sell the software and we do not have any problem in distributing the source code to our customers. Due ...
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4 votes
1 answer
112 views

Source File Derivatives and Copyright Attribution Notices

I'm making some modifications to an open source project licensed under the GPLv2 (which will of course be released under the GPLv2) but I'm unsure what to do with attribution notices adjacent to the ...
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5 votes
1 answer
2k views

Can I use some GPL code in LGPL project?

Well, recently I found a problem about licensing. I have an open source project on GitHub, recently I need some codes which using GNU GPL, but my project is using GNU LGPL, so that's the problem. So ...
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  • 71
6 votes
1 answer
2k views

What does AGPL v3 R-studio mean for code written on it? [closed]

Rstudio has a community version for free: https://www.rstudio.com/products/rstudio/#Desktop But mentions the license is AGPL v3. Does this effect the licensing or IP rights of code written on the ...
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  • 179
1 vote
1 answer
164 views

App uses rest services which use GPL library

I'm developing an app (for Android) which uses data received from my rest services. These services use also GPL libraries: if I have correctly understood, if a server side web application uses GPL ...
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  • 21
58 votes
3 answers
9k views

If GitHub interacts with Git, and Git is licensed under GPLv2, shouldn't GitHub be open source?

Since Git is licensed under GPLv2, and, to my understanding, GitHub interacts with Git, shouldn't the whole GitHub codebase be open-sourced in a GPL-compatible license?
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1 vote
0 answers
376 views

Do i need to make available source code of my SAAS if it uses GPLv3 library? [closed]

A developer built for me a SaaS for document analysis and one of the library used is GPLv3. The developer has shared source code with me as GPL. Now if i want to launch that SaaS for public ...
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1 vote
4 answers
946 views

When does a modification of GPL code stop being one? [closed]

By the GPL v2, every modification of the program needs to be licensed by the GPL as well: "... by modifying or distributing the Program (or any work based on the Program), you indicate your ...
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  • 127
1 vote
1 answer
69 views

Adding API support of closed app to GPL tool

I have bit similar question to Optionally Using GPL Library via System API in Closed-Source Application but not 100% the same. Let's say I have closed application A (i.e. frontend application). It is ...
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0 votes
1 answer
260 views

Can I license my Minecraft mod with WTFPL with heavily modified code from GPL licensed mod (having author's permission)? [closed]

I want to license my Minecraft mod with WTFPL. However, I have a small section of code which I incorporated from other mod, licensed under GPL, in the first release of my mod. In the recent version (...
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  • 39
0 votes
1 answer
363 views

Can I use `#define _XOPEN_SOURCE` in my commercial software source?

Can I use the crypt() function in my commercial software source? if I want to use crypt() I have to add #define _XOPEN_SOURCE that's why I m asking this question. Can I use #define _XOPEN_SOURCE in ...
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  • 133
-1 votes
1 answer
93 views

Package lacks of requirements of GPL license [closed]

I am actually modifying a package under the GPLv3 License which according to a page requires to: Include a copy of the license and copyright notice with the code. However such package/code don't ...
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  • 171
12 votes
2 answers
6k views

Dual license with GPL and a closed source license

I've done a lot of research on this, but I'm still quite confused. I'm currently working on an Arduino-compatible software project. The project is open source, so I want others to make use of it as ...
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1 vote
0 answers
115 views

How does the FOSS exception for MySQL connectors apply to code written in PHP or Python?

I have looked all over and can't find clear answers to the following: If I write code in PHP or Python that uses GPL MySQL connectors for PHP or Python - which license applies to my code? That of PHP ...
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  • 141
8 votes
3 answers
348 views

What are the options for licensing a code project with "license soup" in the sources?

I'm working on a software project which I intend to release as FOSS in some way. My code includes quite a few header/source files written by others: Better Enums A slightly modified GSL Lite An ...
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  • 2,363
3 votes
1 answer
513 views

Do both the Server and Client program require a GPL when utilising a MySQL Database at only the server end

I'm building my first app and have reached a point where I'm considering switching to a MySQL database. However, I noticed the GPL on the Community version of MySQL. So I did some prowling and noticed ...
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0 votes
1 answer
2k views

GPLv2 or 3 requirements for closed embedded products

Say for instance I develop a program that links with GPL2/3 code statically or dynamically which is installed on an embedded device such as the raspberry pi as part of a larger system, is there any ...
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  • 101
3 votes
2 answers
2k views

Using GNU GPL V3 on a project. Reuse and modify foreign code

I'm programming on a c project and use code from another author. I change the main functionality to a new, complete other one. The most of the new code is my own but some files are untouched and ...
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  • 131
2 votes
1 answer
593 views

Is a project subject to GPL if the documentation is build with doxygen?

Suppose I have some project of which I own the code. It has a library which is licensed under Apache 2.0 (but that shouldn't influence this). So I can choose if I want to release the code using GPL, ...
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1 vote
1 answer
2k views

Creating a private in-house application with Qt

I want to create an application using the Qt framework, but can not at all afford a commercial license. While looking at the licensing comparison table, I noticed that the LGPLV3 license said this: ...
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1 vote
2 answers
3k views

How to license a minecraft mod applying some limitation on distribution of the mod?

Background I created a mod for minecraft using Minecraft Forge which uses "other" mod. I have the permission from author of the "other" mod to use and distribute his code with my code. Right now, ...
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  • 39
0 votes
2 answers
603 views

Including a GPL-licensed library through a CDN

I'm planning to use Flickity in my MIT-licensed open-source JavaScript project. The license for open-source usage is GPL. Can I link the file via a CDN into my project, or is this considered a "...
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3 votes
1 answer
547 views

Can I use R via RDOTNET without having to provide the source code of my application

Can I use R via RDOTNET without having to provide the source code of my application. R is covered under GNU GPLv3. RDOTNET is under New BSD. From the RDOTNET description: "R.NET enables the .NET ...
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  • 133
3 votes
1 answer
153 views

Do I lose the copyleft protections of GPLv3 when I publish my code on PyPI?

I created a Python package and licensed it under GPLv3. When I created an account on PyPI, I had to agree to the following: The PSF is free to use or disseminate any content that I upload on an ...
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  • 133
1 vote
3 answers
1k views

Can government use a GNU GPL licensed sofware (phpBB) without posting the source code?

I'm now doing my internship in a government company (in India) and I've been assigned a project to create an online forum for the company.. I'm about to use phpBB forum software to create it, which ...
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  • 119
0 votes
0 answers
57 views

how do I make sure I receive modified versions of my GPL software

the What is free software page on the gnu.org web site states among others: »An example of such an acceptable rule is one saying that if you have distributed a modified version and a previous ...
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  • 131
3 votes
1 answer
257 views

Do I need to add the copyright notice of the original contributors in the SaaS service contract of a forked AGPL software?

Context I have modified a lot a software that in under Affero GPL. I have contributed back what made sense, as it has a completely different direction. I plan to build a SaaS around it and charge ...
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  • 39
1 vote
1 answer
877 views

Web-service which uses GPL software [duplicate]

here's the problem. I have developed an Azure-Based Web application which exploits some VMs. On top of these VMs I'm running a modified code which is licensed under the GPL license. Here's the flow: ...
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  • 29
1 vote
1 answer
97 views

What do I have to provide under the GPL as a website developer?

I am building a site with a GNU licensed program called OpenCart. Now I am not "distributing" anything.. but people can see my website and interact with it. Generally I avoid GNU like the plague ...
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  • 119
4 votes
1 answer
197 views

Is restricting endorsement using author's name compatible with GPL?

I would like to link a GPL project to another project with the following clause in its license: The name of the author may not be used to endorse or promote products derived from this software ...
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  • 165
7 votes
1 answer
1k views

Do all transitive dependencies of GPL software have to be compatible with GPL?

Library A is licensed under GPLv3. I want to write a program that uses that library as a dependency (programming against interfaces and using classes in that library), so I have to put my own program ...
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