Questions tagged [gpl-2]

Questions about GNU General Public License Version 2.

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Using Apache 2.0 libraries to test GPL 2 library

I'm making a library which is a derivative work of openjdk that's released under GPL 2.0 with Classpath Exception, so my library is obviously GPL 2.0+CE too. I'd like to write tests for my library ...
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5 votes
1 answer
77 views

Is this flutter plugin wrongly licensed under MIT?

I've found a flutter plugin on pub.dev that is licensed under MIT, but in its build.gradle for Android building it references another library that seems to be a fork of a GPLv2 library. In turn, I ...
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  • 53
-1 votes
1 answer
62 views

Closed source project based on OpenVPN/OpenSSL

Using code base of OpenVPN (GNU GPLv2 license) in proprietary closed source project is under consideration. OpenVPN uses OpenSSL (Apache License 2.0). Changes in OpenSSL are needed only (OpenVPN will ...
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  • 101
6 votes
2 answers
2k views

Is database migration script covered by GPL?

I am using a product whose code is covered by GPL2. All fine except that when a major update is released, it relies on database changes which are effected by a script (sometimes hundreds of lines long)...
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  • 69
2 votes
1 answer
72 views

Using copyleft software (GPL v2) and distribute it with proprietary software

My case: My app is proprietary full-stack server app that will be distributed as closed source. I want to package my app into an VM. The VM have Ubuntu installed which contains Linux (GPL v2 licensed)...
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  • 197
15 votes
5 answers
2k views

Am I allowed to convert some functions from a GPLv2 project and use it in a commercial project?

I have a very vague impression regarding the GPLv2 license that any project which borrows code from a GPL project needs to be open source too. Now I have a situation that I read part of a GPL project'...
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  • 261
1 vote
0 answers
47 views

Are works created using GPLv2 licensed code considered derivative of the code? [duplicate]

Consider that I write some code which generates 3D models, and release it using the GPLv2 license. Someone else then sees value in my code but wishes to change it and so they modify it to their ...
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  • 111
32 votes
1 answer
5k views

Why does GPLv2 include a mailing address (51 Franklin Street) in the license notice?

The last paragraph of the GPL v2 notice reads: You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 ...
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  • 423
2 votes
1 answer
134 views

Confused about GNAT's contradicting licensing terms

After researching GNAT's Ada compiler licensing, I'm very confused. I understand AdaCore's GPL 3 license requires distributing the source if it's linked to the runtime, while FSF's GPL 1 offers an ...
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  • 121
1 vote
0 answers
41 views

How does software licensing works for Docker Images on commercial usage? [duplicate]

I want to develop and share an application for commercial usage (closed source only). This application only "lives" inside a Docker Image. This Docker Image is based an own Dockerfile which ...
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5 votes
1 answer
136 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 ...
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2 votes
1 answer
80 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 ...
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0 votes
0 answers
61 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"....
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5 votes
1 answer
247 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 ...
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-2 votes
2 answers
67 views

Can I make a proprietary web application using ideas from the source code from an desktop application that is under the GNU GPL2 license?

I want to make a web application that has a membership fee and has a proprietary algorithm. Customers would not have access to the code, so I wouldn't be distributing it or selling it. Some of the ...
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2 votes
1 answer
128 views

Is Docker (Apache 2.0) compatible with GPLv2 or BSD Licensed projects?

I'm developing a project that includes a section with an implementation on Docker, but Docker is based on Apache 2.0 license. I saw that Apache 2.0 is incompatible with GPLv2 and I want my project to ...
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4 votes
1 answer
268 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 ...
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1 vote
0 answers
52 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 ...
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2 votes
0 answers
54 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 ...
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1 vote
0 answers
20 views

Setup file installs DLLs

I have a Windows Forms Project written in C++ CLI with MySQL Database integration. I have created a Setup File using INNO Setup but I need to include MySQL.Data.dll to deploy the application, so ...
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1 vote
0 answers
64 views

Can I distribute a LGPLv2.1 derivative work whose source code doesn't compile?

Section 4 of the LGPLv2.1 gives me permission to distribute a "work based on the Library" in object code form, provided that I also distribute "complete corresponding machine-readable ...
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2 votes
1 answer
113 views

License for Windows Forms Application in C++/CLI and MySQL

I have built an application using Windows Forms Desktop Application in C++/CLI, I am also using NuGet Package for MySQL.data as well as I am using MySQL code for the application. I need to add a ...
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2 votes
2 answers
75 views

How Viscosity VPN integrates OpenVPN with GPL2 license?

My understanding of GPL2 license make impossible that a proprietary software like "Viscosity" could possibly include a GPL2 code like OpenVPN. But going to their page, they clearly state ...
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2 votes
1 answer
327 views

Can I use a AGPL/GPL package and software for closed-source backend API?

I'm creating an API for a website. An interesting Node.js package I would need is licensed under the AGPL-3. that package is a binding library that speaks to a GPL-2 licensed software (compiled binary)...
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1 vote
0 answers
36 views

Can a GPL'ed WordPress plugin/theme incorporate an AGPL library?

If I develop a WordPress theme/plugin, and release it under a GPL license, can my plugin/theme incorporate (include) a third party library that is licensed under AGPL v.3? If so, does my plugin/theme ...
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1 vote
1 answer
37 views

Using a GPL library in a separate module that's included with the main program

There's a GPL sound library I'd like to provide as an option in a game which will be released under MIT license. My plan is to create a generic, abstract audio interface in the engine, which can ...
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0 votes
1 answer
281 views

Do we have to choose the GNU LGPL v2.1 license libraries for our distribution?

Our situation - LGPLv2.1 Libraries = LGPL for whole work? Our distribution Package contains libraries which are licensed GNU LGPLv2.1 jquery.form - dual licensed GNU-LGPL-2.1+ - MIT, * ...
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5 votes
1 answer
318 views

Can a non-GPL Licensed Python Application use Pylint as part of its test suite?

I have a Python application that is not under a GPL-compatible license. I would like to add style checking to my automatic test suite, and I would like to use pylint instead of pep8 because it ...
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2 votes
1 answer
74 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 ...
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1 vote
1 answer
34 views

Do (L)GPLv2 licenses allow the distribution of derived binaries using Apple's XCode?

To create executables to run on iOS platforms, the intended way is to use Apple's XCode to build them. XCode is available for free to run on MacOS devices. But, assuming that Apple's terms allow the ...
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2 votes
1 answer
50 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 ...
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1 vote
0 answers
66 views

What is the difference between GPL classpath exception and linking exception?

So I read that OpenJDK is under the GPLv2 with linking exception. What is a Classpath exception and a linking exception? The JDK that I'm using(Amazon Corretto which is a build of OpenJDK) is under ...
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2 votes
1 answer
251 views

What is the difference between Oracle JDK and OpenJDK

I'm fairly new to Java programming and I've recently read this article from Oracle(from September 2018). https://blogs.oracle.com/java-platform-group/oracle-jdk-releases-for-java-11-and-later. What ...
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3 votes
1 answer
236 views

Can I modify a GPLv2 licensed kernel module without having the rest of my software GPLv2?

The company that I work for, develops a Linux-based in-house distro, which powers some hardware-based equipment. The project that I am working on, has some proprietary kernel modules, and proprietary ...
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1 vote
1 answer
145 views

Do I have to provide the build dependencies listed in a package build script to comply with GPLv2?

Problem description: For example in the case of alpine linux, there are APKBUILD scripts which reference the source files, the complete source code can be easily fetched with the abuild fetch command ...
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0 votes
0 answers
229 views

Can the official MySQL connectors be used in a commercial closed-source backend?

The official Oracle MySQL connectors seem to correspond with these GitHub repositories: mysql-connector-cpp mysql-connector-nodejs mysql-connector-python ... They all contain a LICENSE.txt that ...
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2 votes
1 answer
183 views

Distribution of different oss libraries in the same zip file

within a project that involves distribution of software that will (on recipient side) then be flashed into a hardware component, i have to make the different libraries available under the same ...
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0 votes
2 answers
101 views

How does dual licensing combine with "You may not [distribute] except as expressly provided under this License"?

(Or, If you distribute a "GPLv2 or later" software under GPLv3, do you lose the GPLv2 license?) Assume a program (software X, created by developer/group A) that is licensed using the usual &...
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3 votes
1 answer
71 views

Can I use the "pro" features found in open source code if it's GPL 2?

I am looking at including a library from Github on my next project that has different tiers. It claims that the lowest free tier is licensed under GPL 2, however to use advanced functions you need to ...
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  • 131
1 vote
2 answers
87 views

Is statically linking MIT/X licensed software with a GPLv2 library is illegal?

I am not going to distribute the binary ever. The program or the library is not mine. Will it be a problem?
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8 votes
1 answer
480 views

Reusing test input files from GPLv2 project for automated testing

I am writing a filter -- an external program which takes input from the main executable, parses it, potentially modifies it, and outputs the modified data -- for the GPLv2-licensed Pandoc. My filter ...
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2 votes
0 answers
45 views

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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1 vote
1 answer
78 views

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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-1 votes
1 answer
109 views

Where is GPLv2 located in Ubuntu?

Where can I find the GPLv2 license text in Ubuntu 20.04?
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15 votes
4 answers
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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  • 261
6 votes
3 answers
778 views

Do I need to show branding for TinyMCE (self hosted, free usage license)?

I want to use TinyMCE rich text editor in one of our project. We are using angular warpper of TinyMCE. We will host the tinymce.min.js in our servers (not tinymce cloud). Exact steps mentioned at end ...
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  • 161
0 votes
1 answer
80 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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1 vote
1 answer
34 views

How to publish paper and project inspired by Open Source Projects

This is about my final project for my grade. I did a project. I looked at similar open source projects and got influenced by them. I didn't copy them, but i definitely got influenced and some parts ...
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  • 11
2 votes
1 answer
152 views

Using a library that is wrongly licensed

Let's say there are 3 people Q A Z . Q makes a GPL library. A uses it and licensed it under the MIT licence purposefully. Z uses A's library in a proprietary, paid-for library and distributes it ...
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2 votes
1 answer
55 views

Licensing restrictions for a Wordpress site hosted online

I am a noob with regards to software licensing ... this might seem like a very silly question. As per this page (https://wordpress.org/about/license/) on Wordpress official website, Wordpress is ...
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