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8 votes
4 answers
6k views

Why it is not possible to create a proprietary fork of GPL?-or-later software?

Let's assume there is a project under GPL2-or-later license. My understanding is that anyone can take the project and make a fork with GPL2-only additions. They could also take the project and make a ...
graywolf's user avatar
  • 211
8 votes
1 answer
1k views

Incorporating GPL3 code into a GPL2 project

I have a GPL3-licensed program that supports a specific line of hardware. There is a GPL-2 program that supports a lot of hardware similar to the one I support. It was suggested to me that this other ...
Frotz's user avatar
  • 183
2 votes
1 answer
72 views

Issues with contributing the same code to projects who only accept different licenses

I made some cool code that I want to contribute to both Android Open Source Project (AOSP) and other Linux distos, and perhaps even upstream at the Linux Kernel. The problem is that AOSP says that ...
IntegralPilot's user avatar
6 votes
1 answer
471 views

FFmpeg, libx265 and GPLv2/3 binary distribution

I have a question regarding FFmpeg binary distribution and libx265 and GPLv2/3 The FFmpeg documentation says that libx265 is GPLv2-or-later - https://www.ffmpeg.org/general.html#x265 - but the x265 ...
Beamie's user avatar
  • 273
2 votes
1 answer
436 views

How do I license my code that needs to include code under 'GPLv2 only', 'GPLv3' and 'BSD 3'?

If I understand the table (mentioned at https://www.gnu.org/licenses/gpl-faq.html#AllCompatibility) correctly, I can use either 'LGPLv2.1 only' or 'LGPLv2.1 or later' for my code if I want to include ...
paulplusx's user avatar
  • 123
1 vote
0 answers
166 views

How is "GPL-2 | GPL-3" to be interpreted?

A lot of packages in R (and I'm assuming in other languages as well) are licesed as "License: GPL-2 | GPL-3". Others as "GPL (>= 2)" and others as "MIT + file LICENSE"....
guest0323's user avatar
5 votes
1 answer
438 views

Relicensing from GPLv2 only to GPLv3 and later

my question is hopefully clearly stated in the title. I have released software with the GPLv2 only license but later changed my mind and wanted to relicense it under GPLv3 or later. Is this possible ...
Gordon Zar's user avatar
4 votes
1 answer
872 views

Does a GPL package in my frontend require my backend to be GPL?

I am making a web app and would like to use CKEditor5 with its non-commercial license (GNU General Public License Version 2 or later). I've read through this, but am still not sure I understand my ...
pyjamas's user avatar
  • 277
1 vote
0 answers
113 views

Does injected CSS code count as derivative work?

There is a GPL web app. I want to make style modifications to it by injecting CSS code. The injected code aims to change some styles, but not all. For example, it will completely change the style of ...
AdamBuilder's user avatar
2 votes
0 answers
80 views

Proprietary app injecting CSS into a remote self-hosted GPL web-app in WebView

I'm building a proprietary application that loads into its WebView a remote, self-hosted GPLv2 licensed web application. I'm sure that loading a resource via WebView will not violate GPL (the web ...
AdamBuilder's user avatar
2 votes
1 answer
122 views

Section 14 of GPL(v3)

Section 14 of the GPL(v3) states: Revised Versions of this License. The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new ...
YummyChocolate123's user avatar
3 votes
1 answer
121 views

Modifying an R package with GPL-2 | GPL-3. What is the correct workflow?

I made a modification of the R package rpart for researching purposes. The license is GPL-2 | GPL-3. The modification is simple but it is critical for another package that I have developed. I would ...
D1X's user avatar
  • 133
1 vote
1 answer
1k views

How does GPL define the term "release" or "distribute" officially?

Since GPL Require Source Posted Public states about But if you release the modified version to the public in some way, the GPL requires you to make the modified source code available to the program's ...
Louis Go's user avatar
  • 121
8 votes
1 answer
1k views

Is it possible to migrate old GPL2 project to GPL3?

So I found an old project that is GPL2, not hosted on Github. I fixed bugs in it, and want to post on Github. Can I distribute it under GPL3? In other words, is GPL3 a GPL2 with additional ...
Blender's user avatar
  • 185
1 vote
1 answer
242 views

Incorporate gpl2 code into software

I want to use code written by others and published under gpl2 license, on my software project. I was wondering what is the way to go about it. I hope to publish my software using the gpl3 license. I ...
desert_ranger's user avatar

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