Questions about the implementation of software licenses on software, including questions about open-source licenses. See the full description for more information about which questions are on topic.

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2
votes
0answers
74 views

Do all transitive dependencies of GPL software have to be compatible with GPL?

Library A is licensed under GPLv3. I want to write a program that uses that library as a dependency (programming against interfaces and using classes in that library), so I have to put my own program ...
5
votes
2answers
218 views

Adding a new file to a GPL project - how do I carry along/modify copyright information?

Continuing from Author has inserted copyright into code with gnu public license notice - implications?, can I add my author name to a new file (with original code) that I added to a project that comes ...
5
votes
1answer
56 views

MIT License vs. Creative Commons for images and other assets

Could somebody please resolve a particular licensing confusion for me? I'm always really puzzled by how software licensing works. I want for everyone to be able to use my software with minimal, if ...
2
votes
2answers
54 views

Additional clause in GPL'd source code

I noticed this in the heading of some source code This core is written with the advise and consent of [author] and is released under the GNU Public License. This core is freely available for ...
13
votes
1answer
6k views

Confusion about dual license (MIT/GPL) javascript for use on my website

I've read all of the posts I can find on this and I'm still not sure of the answer. I'd like to use a jQuery plugin on my website that is dual licensed under MIT and GPL. Does the dual license mean ...
0
votes
2answers
75 views

Can I release software under the GPL if it must be built with a proprietary compiler?

The compiler doesn't leave its own code in the software or link proprietary libraries with it, the source code is exactly the same one I used throughout the development process, everyone is free to ...
-3
votes
1answer
83 views

Which license should I choose so I can open source my Botnet and not get sued?

I have been working on a Botnet for a high school project in Python and would like to open source it and share it on GitHub without getting sued. I need help with choosing a license such that I am ...
1
vote
1answer
34 views

Software derived from LGPL library

In my project I've used a library marked with the LGPL license as a reference example to developed my own library which is completely different but it works roughly in the same way. Now I would like ...
1
vote
2answers
52 views

Can I include code licensed under MPL within a project under MIT license?

I would like to know if it is possible to include source code licensed under: Mozilla Public License (MPL) version 2.0 In a project licensed with: The MIT License (MIT) If yes I would like to ...
0
votes
3answers
147 views

Including GPL software in closed-code project

Regarding GPL software use in a commercial project, I have the following situation: I would like to commercially distribute an Excel-Macro application, which uses a GPL licensed software (G77 ...
19
votes
4answers
9k views

Is BSD license compatible with Apache?

Can I develop a BSD-licensed software that extends an Apache-licensed software (and vice-versa)?
5
votes
3answers
1k views

Is it legal to distribute a GPLv3 licensed binary through the apples' app store?

I wrote a small multiplatform app and I am considering publishing the osx version in apple store. I've licensed the app under a GPLv3 license. I sort of like the GPLv3 license but I also like the ...
1
vote
1answer
64 views

call a non GPL-Program from a GPL program via fork

I downloaded a GPL program, I want to modify this GPL program in order to make it calling a non gpl program (commercial license) via fork+exec. Concerning the input/output data of the non-gpl program:...
-1
votes
0answers
38 views

What licenses can I use with closed source software? [duplicate]

I'm writing desktop app, and I know that I need to license it. But every time I search for licenses, I can only find licenses for open source software such as GPL, MIT, or WTFPL to name a few. But I ...
2
votes
1answer
43 views

Open Source Licenses like GPL in Multiple Licenses models

How can an open source license be compatible with a multi-licensing scheme? According to a similar question, the author of a library could potentially change its license. But problems arise when the ...
1
vote
2answers
58 views

Apache 2.0 license without disclosing source

I'm building a software and I want to release it under Apache 2.0 license. Unfortunately, right now, I've no time to put sources codes on public repository like Github or BitBucket. And more, I didn'...
0
votes
1answer
50 views

Under what circumstances would I have to release a modified version of source code (GPL) [duplicate]

I am working on a social networking platform using a database wrapper released under GPL. I'm fairly new to using open source software, so I'm not sure what would require me to release my source code. ...
1
vote
0answers
67 views

Should I add the license in every headers and source files?

I'm about to push my first project to github (mini toy lisp interpreter written in c). I've noticed that the vast majority of opensource projects include their license in every source file (at the ...
11
votes
3answers
522 views

Licensing on Github

I'm uploading to GitHub for the first time and I am facing all sort of doubts about licensing. I did not know that topic was that uncovered in the net! But even it is complex, my situation is so ...
0
votes
0answers
70 views

Google Swiffy license runtime.js

I'm not a lawyer. Can I use file https://www.gstatic.com/swiffy/v7.4/runtime.js as a separate file in composition with my software on Windows Embedded 8 without an Internet connection? Samples it's ...
8
votes
1answer
1k views

Is a license header in source files required when applying the Apache Software License 2.0 to a project?

Reading through the Apache Software License 2.0 appendix I am left unclear what exactly I have to do now: APPENDIX: How to apply the Apache License to your work To apply the Apache License to ...
6
votes
5answers
328 views

How are software licenses applied?

I have created a small and helpful project that I'd like to upload to a public repository and share under the FreeBSD license. What are the common steps I should make to apply the license to my code? ...
4
votes
1answer
109 views

Professional use of former MIT licensed sofware

I'm currently working on a commercial application using a piece of software registered under the MIT license. Recently, the author of this software removed every entry from Github, for an unknown ...
2
votes
0answers
57 views

Can you license a fork of a public domain library?

The original library has this statement in its readme, with a link to CC0 1.0. To the extent possible by law, [redacted] Company, LLC has waived all copyright and related or neighboring rights ...
4
votes
1answer
141 views

Does a license need to go at the top always?

Let's say I have a source file of 800 lines, and I want to "copy/paste" one function from a github project that has a MIT license, and I also have my own (which may be a MIT license, or a stronger one)...
2
votes
3answers
81 views

GPLv2 code as a separate process in a closed-source iOS app?

I'd like my (currently) closed-source iOS app to use some GPLv2 licensed code. The code I want to use is simply a converter from one file format to another — nothing too complex or proprietary. Given ...
72
votes
3answers
45k views

AGPL - what you can do and what you can't

AGPL is a fairly new license that was meant to go GPL-over-networks. However, not being a lawyer, and actually not having read the whole license, I can't understand what exactly you can do freely and ...
3
votes
1answer
114 views

What to do when using MIT-licensed code in a GPL-licensed project?

I'm working on a personal project that I'm planning on licensing under GNU Affero GPL. However, I found some code that's licensed under MIT that really want to utilize, but I'm not sure what I should ...
2
votes
5answers
730 views

How to make a GPL license with more severe penalties?

I am considering open sourcing some software, but when I read the answers on this questions, it seems like the penalty of ignoring a GPL license is rather small, compared to the costs of the suing ...
20
votes
3answers
28k views

Is Java free/open source or not?

On November 13, 2006, Sun released much of Java as free and open source software, (FOSS), under the terms of the GNU General Public License (GPL). On May 8, 2007, Sun finished the process, making all ...
1
vote
1answer
50 views

Pyinstaller EXEs license

I'd like to know about licenses in Python program distributions. This is the scenario: let's say one would distribute a Python program for Windows, created with PyInstaller as a single executable file,...
3
votes
4answers
722 views

Is this the correct way to include this MIT licensed software in my software?

I'm using this script in one of my projects. It's licensed under MIT or Apache 2. I've committed JSON.sh (as in, just the script) to my project, and copy+pasted the MIT license (as it appears in ...
0
votes
0answers
20 views

Licensing a portion of a project under the MIT and the rest under the MPL

In a compiler project I'm creating, I'm licensing the compiler sources under the MPL. However, I'm looking to license the just the standard library under the MIT or BSD license. In the MIT terms, it ...
5
votes
2answers
295 views

Is licensing an issue for Git Submodules?

For example: an MIT-licensed project wishes to simplify the build process for its users by including part of the GNU toolchain (which is of course GPL) as a Submodule. Could that be interpreted as ...
2
votes
1answer
81 views

Ban redistribution, but still allow code changes?

Basically, I have an app, Court Counter, on the app store. It was very crappy, and was not worth licensing at the start. By the way, I found the incentive from the courses at Udacity. However, over ...
0
votes
0answers
24 views

OSS license for seemingly unspecified license?

I want to work on uemacs/PK and run it through Coverity SCAN. I can see on the repo that there are commits by different people, but I'm confused because the README only allows modifications by a ...
2
votes
2answers
107 views

Which sentences are normal in a commercial company user end license agreement? [closed]

I was reading an 'User End License Agreement' and asked myself whether such paragraphs aren't suspect. As well my I asked myself whether such sentences are normal in those end license agreements or ...
5
votes
1answer
815 views

Looking for a popular, well known example of closed-source software which uses LGPL code, and says so [closed]

For advocacy purposes, I'm looking for a good example of some popular/widely-known closed-source and generally paid-for software application/package which uses dynamically linked LGPL-licensed ...
1
vote
3answers
90 views

Can we use a GPL 2 product for the commercial purpose?

Note: There are many questions answers related to the licensing. But I think my requirement is specific, so asking a separate question. We are considering to fork a GPL 2 project and use it for ...
0
votes
1answer
42 views

Licensing and copyright terms for data from Wikipedia

I have an idea for a client-server software project which involves using information from Wikipedia, but I am not sure about what the conditions for using it in regards of licensing and copyrights ...
1
vote
3answers
94 views

Using your home project source code for company project

I have a home project, which is not open-source. To save time I'd like to use that source code for company project. How can I protect myself against the claim that I stole company source code? It is ...
8
votes
1answer
5k views

What is the best practice for arranging third-party library licenses “paperwork”?

I am developing a small open source project. The application uses many third-party libraries released with a range of licenses: Apache, MIT, BSD, LGPL and CDDL. Each of these licenses has its own “...
6
votes
1answer
98 views

What is the meaning of “All rights reserved” next to a permissive license?

Suppose that you're trying to fork a software package, which mentions in its manifest that it is distributed under the "MIT" license: [..] License: MIT Copyright: JC Holder ...
1
vote
2answers
1k views

How does trilicense (mpl,gpl,lgpl) work when you want to use it on public website

I have tried to search for this answer for quite some time and I have gone through all the various FAQ's and documentation regarding the three licenses; but none of them have been able to answer a ...
-3
votes
1answer
165 views

Can I use all JetBrains software after purchase [closed]

I am thinking about buying the Ruby version of the IDEA that JEtBrains is offering. If I buy a personal license for it, does it allow me to also use the license for IntelliJ also so I can develop ...
8
votes
4answers
553 views

Is there a difference between “self-plagiarizing” in programming vs doing so as a writer? [closed]

I read this Gawker article about how a writer reused some of his older material for new assignments for different magazines. Is there any similar ethical (societal?) dilemma when doing the same ...
3
votes
1answer
53 views

Website/web service uses GPL or CDDL license library

When developing backend - serverside code - for websites or web services and using a GPL or CDDL library, such as https://tyrus.java.net/. I would just "use" the functionality of the library. No ...
4
votes
3answers
154 views

How to display/clarify the licence for code in a blog

Let's say I have a blog available under one of the Creative Commons licences. Such type of licence would be displayed at the bottom of each page with a link to the actual licence, etc.. However, ...
4
votes
1answer
69 views

What are my obligations when using an Apache 2.0 library in an internal project?

From the Apache non-lawyer version of the license: It requires you to: include a copy of the license in any redistribution you may make that includes Apache software; provide clear ...
27
votes
6answers
1k views

Maintain a web application once the only developer is gone

I have a terminal disease and there is a very high chance that I will no longer be in this world by the end of the year. I have developed a web application that it is extensively used in my family’s ...