Questions tagged [gpl-2]

Questions about GNU General Public License Version 2.

1
vote
1answer
26 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 ...
28
votes
4answers
10k views

Am I legally required to provide a (GPL licensed) source code even after a project is abandoned?

I plan to develop an application using an easy to use GPLv2 licensed libraries. Once my app is complete I plan to distribute it free and open source complying with GPLv2 copyleft requirements. The ...
2
votes
1answer
448 views

Am I allowed to use GNU Unifont in a closed source application?

I was looking for a .ttf font, where almost all of the unicode characters are created. Then I've found the GNU Unifont It is licensed under GNU GENERAL PUBLIC LICENSE Version 2 The application I am ...
2
votes
0answers
27 views

Licensing question about using OpenJDK to build and run

I have a small java application which I was building with Oracle JDK till now. Now I am migrating this application to OpenJDK11 and am bit confused with the licensing. I am using RedHat distribution ...
1
vote
0answers
23 views

Using MySQL JDBC connector, when to disclose source code

Part 1 I would like to use MySQL JDBC connector (called connector) licensed under GNU GPL V2 to exchange data to and from a MySQL database in my project, as far as i can read, If i add the connector ...
12
votes
4answers
3k views

Is keeping the forking link on a true fork necessary (Github/GPL)?

This question is about a true fork (with new name, different features, different objectives and not targeting a pull request). When I am developing a new application based on an other project I ...
4
votes
1answer
46 views

I want to rewrite the GPL-2 software with AGPL-3.0

I would like to recreate Judge Engine of Online Judge named HUSTOJ. However, HUSTOJ was released under the GPL-2.0 license. I would like to release a new Judge Engine with AGPL-3.0. I know that GPL-...
2
votes
1answer
181 views

Implications of using Linux's Kbuild infrastructure in proprietary software

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 ...
3
votes
3answers
90 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 ...
1
vote
1answer
59 views

GPL author attributions

I have a question: this week I found a older project I contributed to, released under GPL/GNUv2. I found back the project by googling my name, thus I found my copyright notice inside the distribution'...
2
votes
1answer
40 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
1k 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
34 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 ...
2
votes
0answers
92 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
108 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 ...
4
votes
1answer
58 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
102 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
77 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
40 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
37 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
106 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
28 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
193 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
99 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
43 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
133 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
56 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
39 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
258 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
87 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
82 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
189 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
1k 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
86 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
134 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
33 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
119 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
87 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
196 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
31 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
51 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
77 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
122 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
78 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
96 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
66 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
93 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
142 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
131 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 ...