Questions about the GNU General Public License

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-2
votes
1answer
124 views

GPL licensed software in commercial applications [duplicate]

Can I sell a service that is provided using software licensed under GNU GLP? Additionally, this service involves the use and modification of other modules under Apache and other free software ...
0
votes
0answers
51 views

Modifying GPL program to expose internal functions for use in non-GPL program [duplicate]

I know that according to GPLv2 if my non-GPL program links and calls internal functions of a GPL program, my own proprietary program must then be open-sourced (if it's distributed). But suppose that ...
4
votes
3answers
84 views

Licensing for artistic work used inside GPLv3 licensed software

I'm a volunteer for a non-profit organization and am helping them develop a free open source Android application that will be licensed under GPLv3. We are going to use the logo and some other ...
4
votes
1answer
102 views

Code licensing injection and version control history

Are there licensing ramifications to having GPLed code in a public git history, but not a released version of the distributed software? Could a repo owner be obliged to changing their licensing ...
3
votes
1answer
93 views

Using a GPLv2 library in a web project

I'm trying to understand the way that GPLv2 works, and have a couple of questions. I'm going to describe a couple of scenarios, and want to know how GPL applies there. I make a web application that ...
0
votes
2answers
111 views

Add GPL to an existing application

Me and 2 of my friends been working on a small app. The source code of the app is on a private repository on BitBucket but now we would like to make the code of our app public under the terms of GPL. ...
-2
votes
1answer
51 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
119 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 - ...
1
vote
1answer
46 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
92 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
27 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 ...
2
votes
1answer
134 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 ...
2
votes
1answer
98 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 ...
2
votes
2answers
653 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 (git....
0
votes
2answers
108 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 ...
0
votes
1answer
56 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
46 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 ...
2
votes
2answers
60 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
154 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. ...
0
votes
2answers
83 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?
-1
votes
1answer
95 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
115 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
139 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 ...
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
273 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 ...
7
votes
2answers
391 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
76 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
467 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
161 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
28 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
147 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 ...
3
votes
1answer
180 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 ...
0
votes
2answers
64 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 ...
3
votes
3answers
371 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 ...
7
votes
3answers
785 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
125 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 ...
2
votes
2answers
74 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 ...
0
votes
1answer
47 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; ...
12
votes
3answers
961 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
109 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
354 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
175 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 ...
0
votes
1answer
62 views

Required clarification about GPL licence for creating extensions of GPL software

I asked a question and received quite good answers. I read all answers and other sources about my question. I concluded that if I write my code and distribute it to my clients for a free under my own ...
0
votes
1answer
181 views

Shall i have to make my application code open source if using ejabberd? [duplicate]

I was looking into ejabberd and found it is licensed under GPLv2. Let's say that I am using it as follows: You will come to my website/app and login, then start a chat using Instant messanger. I will ...
4
votes
4answers
519 views

Licensing of content created by licensed code

So I had been using trianglify, and I was thinking about using an image that it had created. Trianglify is licensed under GPLv3, however, (as I understand it,) it creates unique svg files. The author ...
1
vote
1answer
93 views

Piwik License question

I need to create a specialized analytics app based on Piwik, it will be a commercial SaaS service for small businesses. It uses the piwik javascript tracker, API and the DB to store events, custom ...
1
vote
2answers
260 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?
0
votes
1answer
59 views

Can your staffs distibute your company non-distirbuted GPL licesned code?

Let say you use libmysqlclient to connect to MySQL, and since the client is GPL licensed and so your program. That's fine since you are the only one working on the project. Then, you have a staff to ...
0
votes
1answer
110 views

Can I use in a non-free script a code example that doesn't mention license but which is used by its author in a GPL'ed script?

After seeing the following question one of my problems came in mind: I want to couple two different scripts in two different languages. I found a solution for that, and I copied that solution. ...
1
vote
2answers
71 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 ...