Questions about the GNU General Public License

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2
votes
1answer
68 views

Xamarin/Mono LGPL Compliance

The LGPL seems to stipulate that I have to distribute my app in a way that the LGPLed code can be replaced. Xamarin keeps saying that to distribute a mac app in the store, I need to use Xamarin.Mac ...
1
vote
1answer
61 views

CentOS/RedHat devtoolset license implications

Can I use the RedHat devtoolset to build non-GPL-ed software? Do I have to mind any caveats? From my understanding, the devtoolset knows the limitations of the standard libraries shipped with older ...
-2
votes
1answer
30 views

set author name for a forked and changed source code

Here is the Makefile I found on the internet for using rf24 on raspberrypi: ############################################################################# # # Makefile for librf24 examples on ...
0
votes
1answer
70 views

Deciding on a software license for a C++ API [closed]

I have designed and developed a C++ API. Its dependencies are: BLAS - custom license - http://www.netlib.org/blas/#_licensing LAPACK - modified BSD - http://www.netlib.org/lapack/LICENSE.txt GLPK - ...
81
votes
4answers
67k views

Can I use GPL software in a commercial application

I have 3 questions about the GPL here: If I use GPL software in my application, but don't modify or distribute it, do I have to release my application under the GPL? What if I modify some software ...
1
vote
4answers
421 views

can gpl code contain more restrictively licensed code? (CC BY-NC-ND 3.0)

There is a wordpress theme I am modifying to create my own derived work. This original wordpress theme has the GPLv2 licence in it's root directory, so I assume that the entire theme is GPL code. ...
1
vote
1answer
20 views

License Compatibility: CC-BY-NC 3.0 with GPL2 (for Wordpress)?

I'm trying to figure out if I can use code licensed under Creative Commons Attribution-NonCommercial 3.0 (CC-BY-NC 3.0) in a Wordpress plugin (which must be released under GPL). I think the answer is ...
2
votes
1answer
68 views

Can a client-side library under the GPLv3 be used on a closed source website?

I'm building a website using Django and I'd like to include django-wiki, however it is licensed under the GPLv3. Does this require me to open source my front end code and/or server code? Or can I ...
2
votes
1answer
22 views

Proper use of the GPL when using a library covered by an older version

I have a piece of software that I have been working on for a while now. You can find it here. Since it is now at a stage where it could potentially be useful to other researchers, I decided to cover ...
4
votes
5answers
4k views

Can I use GPL, LGPL, MPL licensed packages with my application and make it closed source?

I saw a company is using BusyBox and also using Gpl + Lgpl + Mpl packages on it, and then they have there own application running on it. Their application is a closed source package. You buy the ...
2
votes
1answer
67 views

Distributing a modified OpenJDK class with a proprietary app

I want to distribute a Java class I borrowed from the GPLv2'ed OpenJDK and modified for my own needs as a part of my proprietary application. The header at the top of the source file states (and I've ...
1
vote
2answers
105 views

Can I modify existing GPL software to use a proprietary (closed-source) library and then distribute one or both?

Say I have GPL software A and proprietary library B. I modify A to use B. Am I then free to distribute A by itself? The GPL FAQ seems to indicate that is there case here: ...
5
votes
1answer
1k views

How do I correctly sub-license a library that is under the MIT license?

How do I correctly sub-license a library that is under the MIT license. I am using and extending the library. The MIT license states that I am free to sub-license the library. Can I simply state: ...
2
votes
2answers
204 views

Can I distribute a GPL executable (not a library) in a closed-source application? [duplicate]

I want to write a closed-source desktop application that uses a piece of GPL software in the background. I know that I can't link to a GPL library (libgit.a). But if I embed a GPL application ...
2
votes
1answer
42 views

Is there a client license to require servers it connects to using a certain license?

Say I create both a client and a server application. The server remains secret while the client is published under a GPL-ish license, so obviously the communication protocol can be reconstructed to ...
0
votes
2answers
78 views

Do I have to distribute my commercial source code that links GPL software if I only use this commercial software to provide a reporting service?

At my company we created proprietary software that we use only internally - we do not distribute this software - to generate reports from client data. We sell these reports to our clients, not the ...
5
votes
2answers
6k views

Why is there a gap between JBoss EAP and the JBoss AS/Community edition?

Admittedly new to this but I wanted to understand why there is a gap between Red Hat's JBoss EAP project (their enterprise version) and JBoss AS/Wildfly/community project. Looking at this post from ...
2
votes
4answers
281 views

Freelancing and GPL?

Is it possible for a freelance programmer to use Open Source products under GNU Public License and make money given that he cannot stop his customers from freely distributing his products?
0
votes
1answer
42 views

GNU GPL when applied to Data

I would like to export the contents of the GCIDE dictionary data from xml format to sql format for sqlite; however, I am concerned how the GNU GPL License impacts my use of the data. To be clear I ...
2
votes
1answer
29 views

Containing the GPL inside an external service?

Not asking for legal advice, just educated intuition. Lets say a programmer creates a program to provide a service, for instance (hypothetically) face recognition. User logs in, uploads pictures and ...
0
votes
1answer
80 views

Ext JS - open source license (GPL V3) on client and closed source on server - Does the server-side have to be open source in the end?

First, yes, I understand that you are not a lawyer and that you cannot give me legal advice. I swear I will not hold you accountable for any responses you may give, yada, yada, yada, etc, etc, etc. ...
1
vote
2answers
204 views

Is Red Star OS released under the GPL? [closed]

According to Wikipedia, Red Star OS is is a North Korean Linux-based operating system Does that mean it's covered by the GPL, or are there exceptions?
24
votes
1answer
4k views

How is client-side javascript covered by the GPL?

If I used a GPL-licensed Javascript library in a web application, would I then have to offer source code of the whole site to anyone who downloaded and executed the Javascript lib?
0
votes
2answers
70 views

Can I take a GPL program and relicense my changes under the AGPL?

Can I take a GPL program and relicense my changes under the AGPL? Say I clone a GPL project, make some changes, can I only allow people to use my changes under the AGPL license?
-2
votes
1answer
63 views

Using a GNU GPL licensed component in a BSD licensed software [duplicate]

I am currently in process of writing a software application. In this application, I use another software project which is licensed by GNU GPL. I have widely modified the GNU licensed component and ...
2
votes
1answer
64 views

Can I use a closed source JS file in my GPL webapp?

Note: When I say "open source", I am talking about GPL. Substitute with "free" if you prefer. When I say "closed source", I mean "not GPL or MIT, etc". We have an open source (GPLv3) webapp that we ...
1
vote
1answer
115 views

How come the NSA could release SELinux as GPL when all US Gov work must be Public Domain?

I'm not sure if this is a good question for this site, but it does deal with the things to do with working as programmer. SELinux is a security enhanced version of Linux, and was initially developed ...
6
votes
2answers
183 views

Using an LGPL licensed library that may or may not include GPL licensed code from an MIT licensed library

I have read this question on SO, but it doesn't appear to answer my question fully. I maintian a library which is licensed under the MIT License. In my MIT licensed library, I dynamically link ...
2
votes
1answer
292 views

To which extent can one take ideas from programs under GPL in developing a commercial app?

I am developing a commercial application. There are several programs under GPL which have some common features with my planned applications. Can I take ideas from those applications under GPL and ...
18
votes
5answers
4k views

Advantage in being the first to copyleft a new algorithm? [closed]

Say I have created a new (DSP) algorithm. Will I have some advantage if I open source the algorithm under copyleft licence (GPL etc.)? From what I know about licensing this should lock people out from ...
0
votes
2answers
109 views

GPLv3 frontend and BSD backend, do I have to disclose the backend source?

I've gone through a couple of Question on GPL here, but all of them are related to the compiled languages, libraries and distribution. My web project has a backend that is BSD licensed. The front end ...
6
votes
3answers
984 views

How to manage, in practice, licence files when combining GPL and BSD licensed code?

I am writing code that uses one library with GPL (not LGPL) license, and one with the 3-clause BSD license. Since I link to GPL-licensed library, my code will need to be GPL as well. How should I, in ...
2
votes
2answers
597 views

How to get contributors assign copyright for copyright holder?

Let's say we have a company and we release our project under LGPL && GPLv3, as you know the only thing here is about contribution. People commit bug-fixes/features to the project, it's fine ...
1
vote
1answer
68 views

License question regarding open-source project which may eventually contain a commercial component

I'm beginning work on a project which I may wish to commercialize in the future. For now, though, it's just a prototype which I would like to release it with a GPL license. My concern is: if I am to ...
2
votes
1answer
125 views

Changing license of personal GitHub repository [duplicate]

I know you can't take someone else's code and change it from GPL to MIT, but if you are the only contributor to a repository can you freely switch it from GPL to MIT?
0
votes
1answer
99 views

Use GPL code in commercial android app by spawning a separate process [duplicate]

As I understand, GPL allows use of a GPL program along with a proprietary program as long as they are separate programs and communicate at arms length. In order to do this, if I spawn a process from ...
0
votes
1answer
22 views

Orgmode file format license

Orgmode is an emacs plug-in and is under GPL. I am developing an application that uses plain text files to store notes and I do like the org mode file format. I am not going to copy any of the orgmode ...
2
votes
2answers
126 views

What happens if some server side GPLv2 code is leaked? [closed]

So, I know that if you use GPLv2 code in some server side code, you do not need to release that code (as long as you're not distributing it, of course :). However, let's assume that you accidentally ...
0
votes
2answers
60 views

Modifying GPL code to link closely with another program

If program B is licensed under GPL, can a programmer modify it to interact with his own proprietary program, A, such that both programs are separate processes, and then only release the modified ...
4
votes
3answers
254 views

GPLing an implementation of a patented algorithm

TL;DR: Can you publicly release your own implementation of a patented algorithm as a free research tool for others, under the GPL, when you do not hold the patent (but will happily give clear and ...
5
votes
3answers
217 views

Can I commerically use GPL licensed software on my server if I am only distributing the client software?

I understand the rules of the GPL stating that if I distribute any software using GPL code, then that code must be licensed under the GPL. However, I'm wondering what the rules are in this case: I am ...
0
votes
1answer
90 views

is copyright string in gpl'ed program guarded from modification?

is copyright string in gpl'ed program guarded from modification, by gpl or by laws? for example, is it possible to change "2001-2010" to "2010 to 2010"? or maybe change spelling of copyright holder ...
1
vote
2answers
53 views

How to properly apply a license

Take for example the GPL-3.0 license. Near the end it states: END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs ... So I though that the "correct" way is to use ...
1
vote
1answer
36 views

gpl3 “or stated as exceptions”

At the end of section 7 of gpl v3: 7. Additional Terms .... Additional terms, permissive or non-permissive, may be stated in the form of a separately written license, or stated as exceptions; ...
1
vote
2answers
211 views

Does an Rcpp-dependent package require a GPL license?

I'm writing a commercial package that uses R (GPL) for its computation. The GPL FAQ clearly states that GPLed programming language interpreters do not impose licensing restrictions on the "program" ...
1
vote
2answers
66 views

Different license for logo files

I'm working on software that I intend to release under the terms of the GPL 3. However, I'd like to exempt the name and logo: the images with the logo should only be used with official releases, and ...
12
votes
3answers
843 views

Can GPL be implied to a derivative work?

There are three software projects: A, B and C. A is published to anyone and is licensed under GPL. B extends A, is published too, but has no license information or is mistakenly licensed under LGPL. ...
2
votes
2answers
70 views

GPL - do you need to provide the sourcecode for the dependencies?

Let's say there is a software that is build on basis of a GPL v2 licensed software. This software is being distributed in binary form. GPL requires that the source code and build instructions are made ...
-1
votes
1answer
203 views

Does using the Telegram API mandate releasing the source code under a GPL license? [closed]

Telegram has provided API, through which programmers can connect to telegram servers, enabling them to implement clients for the messaging system. They also have released some open source client ...
0
votes
1answer
125 views

Software piracy and GPL [duplicate]

Consider the case below: A Wordpress plugin must be GPL since Wordpress itself is GPL There are some plugin authors selling premium WordPress plugins, and assume the authors are okay with the GPL ...