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Questions tagged [gpl-2]

Questions about GNU General Public License Version 2.

3
votes
2answers
55 views

Must a plugin for a GPLv2 work also be GPLv2?

I would like to develop an addon/extension plugin for an existing WordPress plugin, to add some premium features, but the base plugin's source-code is under GPLv2, which makes me doubtful... Is any ...
2
votes
1answer
32 views

WordPress: is extending plugin allowed by GPLv2?

I would like to extend an existing plugin (for example FileBird), to add some features, and later publish and sell it off... But although the plugin's source-code can be simply downloaded from ...
4
votes
2answers
986 views

GPLv2 - licensing for commercial use

I have a few questions regarding the GPLv2 license: For it to be GPLv2, I need provide access to my source files? If I use the v2 license, but charge for use, do users HAVE to purchase my license in ...
3
votes
1answer
31 views

Can I use separate license for commercial use?

I would like to create a REST API in my server that internally use a GPL library. As far as I know the GPL license affects the 'distribution' not the 'usage'. -So whoever calls(uses) my REST API ...
1
vote
0answers
15 views

Can I sell and distribute my software using OpenJDK without having to release my code?

We develop a software for commercial use and sell it to customers. The software is a web based software that requires Oracle JDK for running (JRE). We are considering moving to OpenJDK because our ...
2
votes
1answer
91 views

when using AngularJS can I gpl code that only I have written?

I have a simple chat server/client app, written in PHP (server side, 100% my own code) and AngularJS. The process for Angular development typically brings in many libraries with various licenses. Of ...
3
votes
1answer
53 views

Does GPLv2 allow removing link to original work and adding limitations?

I am a new software developer, so I tend to have works with many open source project on the Internet. I have a few question about the GPL licence, can someone help me to understand them, and if ...
2
votes
1answer
37 views

MySQL for Commercial Web Application

We have created a web application hosted on virtual machine for client access through web only, no distribution . The database we have used is MySQL Community Edition under GPL 2. The application is ...
1
vote
2answers
36 views

Is it legal to fork “gpl 2 or later” software and make “gpl 2 only” changes

I've found interesting open source project (mostly dead now) and I would like to fork it, fix some bugs and use it. The project is licensed under "gpl 2 or later", however I'm not big fan of "gpl 3", ...
3
votes
0answers
24 views

Java 11 program, GPLv2 + Classpath Exception license do I need to check everything

So following this schema if I wish to do everything free I can use the JDK's that are on https://jdk.java.net/ Now say that I wish to publish ready made packages for clients with jlink that I offer ...
3
votes
1answer
32 views

Embedding code using API of GPL library in tutorial website

I want to make a commercial tutorial website that will teach people to use GPL-licensed R packages in a series of articles. The website will not execute the code, but will show people the output of ...
2
votes
1answer
43 views

Application code shared between GNU and Comercial software

We have a software of our authory and made by our company, We have licensed a sub part of it as GPL v2 and still develloping a professional version with more features and that shares the code we ...
2
votes
1answer
49 views

If there is no copyright notice, is the license applied?

On a project I noticed that it has a LICENSE file, apparently put in place as template when the project was initialized by Github. The file contains the standard GPLv2 template but no copyright notice....
1
vote
1answer
19 views

A small Go library under GPLv2, rewrite it under modified BSD

Go is using a modified BSD license. I would like to use the same license for some projects, most parts / libraries will be published under an open source license, but clients do demand some of the ...
4
votes
2answers
122 views

Closed source plugin for a GPLv2 application

I wrote a library that is indeed a subclass of QTreeView. So I can easily attach it to any Qt application that uses QTreeView. I want to patch a GPL application (GPL_APP) in a way that it searches ...
3
votes
1answer
45 views

GPL2 license header usage in individual files

Im preparing to open source some code Im been working on, and have decided for the GPL2 license. Im wondering what the proper way is to mark code as licensed with this license. looking at the Linux ...
2
votes
0answers
40 views

Can I make a commercial JAVA GUI interface to a GPL2 licensed R package that I authored?

I authored an R package that will be licensed under GPL2 due to some dependencies that I use also being GPL2. I was wondering if I would be allowed to make a commercial closed source JAVA GUI ...
-1
votes
1answer
65 views

Can I sell a GPL2 licensed R package if it's for commercial applications and make it available for free only to academics?

I developed an R package that I would have to license under GPL2 due a few of my dependencies having that license. If I do not distribute this package via CRAN, would it be possible to sell the source ...
2
votes
1answer
46 views

Effect of 'download separately' on GPL linking

Suppose I have Java jar-files which I provide to my customers under a commercial closed-source license. But my jar-files depend on a few jar-files released under the GPLv2 (without any special GNU ...
1
vote
0answers
35 views

Using Linux kernel constants from a UAPI GPL 2.0 file

I would like to use some constants defined in this Linux userspace API header file in my permissive (MIT) licensed project. I could simply #include this header in my project, which will use the ...
2
votes
2answers
154 views

Can I combine GPLv2 and BSD-3-Clause code and keep the BSD permissions?

I want to take some GPLv2 licensed code written by someone else and add code with a BSD-3-Clause license, originally written by someone else. This BSD-code has been modified by me to add some ...
4
votes
2answers
86 views

Preventing a company in GPLv2 license

Is it possible to prevent a specific company or specific employee in that company from using an open-source project that uses GPLv2 license? To give more details, the project is based on another open-...
5
votes
1answer
65 views

Does redistributing an unmodified copy of rt.jar from OpenJDK7 using an MIT license violate the GPLv2 with Classpath Exception?

I am considering redistributing a copy of the rt.jar file available within the OpenJDK Zulu distribution within my GitHub project repository which is licensed on a project basis using the MIT license. ...
2
votes
1answer
161 views

Why GitHub is not opensource when it's use Git that has GPLv2 license?

I have this question after all happens when Microsoft bought GitHub. But GitHub core is not git? I now that when you use a GPLv2 in your program you must have to give your program the same license. ...
4
votes
1answer
943 views

OpenJDK vs OracleJDK Licensing?

This answer on Stack Overflow states that the OpenJDK is licensed under GPLv2 yet the OracleJDK has a different license? My understanding of GPL was that if they used the OpenJDK sources, they would ...
6
votes
1answer
82 views

Do the rights of the developer supersede the rights granted to the end user by the GPLv2 License?

I'm currently involved in a debate on GitHub surrounding a project that is 'GPLv2' licensed and has recently made a change to it's platform requiring new build scripts to be published in order to ...
0
votes
1answer
71 views

Can I use GPL V2 MYSQL Community edition in a commercial company without making my code open source?

To clarify once for all the usage of GPL v2 applications without modifying the binary of GPL licensed program and only using it (making queries). My case is the following: I want to install MySQL ...
0
votes
1answer
26 views

FPDF & GPLv2 & distributing changed code

Whipped up some demo code for a proof of concept I needed. Used FPDM which states as its license "FPDF". The FPDF license seems Free to me - Permission is hereby granted, free of charge, to any ...
3
votes
2answers
50 views

Using a tool under GPL v2 in a commercial application

I have read many articles on GPL v2 licensing and I understand the main idea - when one uses a library or piece of software that is GPL-based, then the software, generally speaking, must become GPL as ...
1
vote
1answer
84 views

Using GPLv2 licensed library in engineer's thesis

I wanted to base my engineer's thesis on Truffle framework (https://github.com/oracle/graal/tree/master/truffle) and GraalVM (https://github.com/oracle/graal). Truffle is licensed under GPL 2 with ...
0
votes
1answer
158 views

Can I use images and resources available with GPL3 code?

I would like to use images available in a GitHub repository that is marked with GPL3 license. If I proper reference it, can I use and modify it without author's explicit consent? If so, is it still ...
0
votes
1answer
27 views

Services delivered vs software distributed

Consider this scenario: I have a website that applies special effects for images submitted by the users. The special effects part of my code is coming from GPL code. But in my website, I'm only ...
3
votes
1answer
48 views

Using openshift images in opensource product under Apache License 2.0?

Can I use openshift/origin docker images (openshift/origin, openshift/jenkins-slave-nodejs-centos7, centos/s2i-base-centos7), that are released under GPLv2, to build docker images in my software, if I ...
3
votes
1answer
72 views

Is this restriction of Cheerp community edition in violation of GPLv2?

As I understand, Cheerp is a tool in a similar way it is GCC, licensed with GPLv2. The license applies to the work reached by the copy rights, but not for use restrictions. So, as long as one does ...
2
votes
1answer
96 views

Could I remove GPLv2 from this algorithm implementation?

I have a project that I started a long time ago and licensed under GPLv3. It uses an implementation of a particular algorithm, where the implementation is licensed under GPLv2. The algorithm is the ...
3
votes
1answer
71 views

Can software licensed under the GPLv2 be included in GPLv3 software?

I'm writing a database library in Java which is licensed under the GPLv3, and I want to include the MySQL JDBC driver in it, which is licensed under the GPLv2. Are there any restrictions stopping me ...
0
votes
2answers
83 views

I modified and used GPL2 Code in my Apache 2 Open Source Project - can my Project be used commercially, closed source?

I wrote a library in Java for Bcrypt. Bcrypt's OpenBSD implementation uses a exotic flavour of the standard RFC Base64 encoding. Since there are no standard implementations for this, I modified (and ...
3
votes
2answers
48 views

Should I distribute the source code of the build tools for a Linux distribution

If I want to distribute a GNU/Linux distribution as a .iso, I must : Distribute the source code of the Linux kernel Distribute the source code of any GPL (or some other license) package included in ...
1
vote
1answer
75 views

GPLv2 library with GPLv3 build scripts

The NetworkManager library is released under GPLv2 license (https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/COPYING?h=1.12.0). Some of the build scripts are GPLv3 (some having the ...
0
votes
1answer
141 views

Would I violate anything if I use vlclib for android in my closed-source app?

I'm developing a video player and I want to use vlclib for android for better codec support. I have some questions in mind regarding use of the library in my project. Would I violate anything if I ...
-7
votes
2answers
122 views

license - how to skip GPLv2 [closed]

We have read lot of questions about General Public License v2 and know that it's like a virus and everything that does touch it get open-source: we just use/need a single component/library in our ...
0
votes
0answers
24 views

What kind of license can I use? [duplicate]

I am creating a piece of software, there is a major dependency external library , which according to my understanding, seems to released under three license: GPLv2 LGPLv2 and new BSD because there are ...
0
votes
0answers
26 views

Can I use code with MIT license with my GPLv2 or v3 code? [duplicate]

Let's say that I make a program and I put it on Github with GPLv2 license. Can i later add code from another person that has MIT license (adding his/her license in the repository of course). How ...
5
votes
2answers
151 views

Can library that took parts of library licensed under GPL with Classpath Exception be licensed under MIT?

I've spotted the library (library M) where developers took some source files from GPL with Classpath Exception licensed library (library G), included them in their project and changed namespaces and ...
3
votes
1answer
50 views

Bundling GCC along with my GPLv2 project

Is it legal to bundle the GCC cross-compiler (tar.bz2 file) along with a GPL v2 licensed ARMv4T processor core on Github? The compiler will extracted during simulations to compile C code for the core ...
0
votes
0answers
65 views

Does video game code that uses a GPL engine have to be GPL?

Lets take a specific example. The ioquake3 engine is licensed under GPL v2, however the engine can't do anything by its self, it needs code that has been compiled into .qvm binaries in order to create ...
3
votes
1answer
84 views

GPLv2 or later upgrade to AGPLv3

I modify open source software that is under ‚GPLv2 or later‘. I will upgrade to GPLv3 or later – that‘s of course no problem at all. Not looking for advice in this case, but is it possible to upgrade ...
0
votes
1answer
62 views

Can you change GPLv2 licensed software, but keep your new source closed?

If I were to make deep modifications to the Linux kernel, virtually make a 'new' kernel in a way, for my project, which is building my own operating system, (yes, I know, a lot of work, but hey, I'm ...
7
votes
1answer
353 views

Using GPL licensed library over a service for non-GPL softwares

I want to use a GPL v2 licensed library(esper) for commercially distributed non-GPL softwares but I need to make sure non-GPL software not violate GPL license. Can I use this library indirectly using ...
1
vote
0answers
95 views

What happens when someone merges Apache 2.0 and LGPL libraries into a GPL-2 derivate?

I used a PHP library, which in turn is elementary based on libraries published with an Apache 2.0 license and a LGPL license. The author himself has published his library under a GPLv2 license. ...