Questions tagged [licensing]

Licensing refers to applying a license to an area of software. Only use this tag if your question concerns the application of a license to an area of interest. If your question concerns a specific license, use the tag that corresponds to your license. For more general questions, use this tag.

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4
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2answers
132 views

Protection from 'this version or later' in CC BY-SA

I was wondering about the meaning of this term in CC BY-SA 4.0 (and others), with this context: In addition to the conditions in Section 3(a), if You Share Adapted Material You produce, the ...
2
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1answer
169 views

(A)GPLv3 - 'covered work' and 'based on'. is it really viral?

In AGPLv3 and GPLv3, clause 5c says: You may convey a work based on the Program, or the modifications to produce it from the Program [only if you] license the entire work, as a whole, under this ...
8
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1answer
1k views

If I translate/port a repository from one programming language to another, do I need to use the license file (Github) from that original project?

If I translate/port a repository from one programming language to another, do I need to use the license file (Github) from that original project? Or can I use my own license file. I intend to use the ...
1
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1answer
91 views

Open Source License that requires commercial users to contribute

I want to start an open source project that will provide ready-to-use business logos for use in mapping products. Part of the challenge here is that logos are trademarked and cannot be used without ...
1
vote
1answer
51 views

How do I require users to license future submissions on sign-up?

Users will submit content to my website. I want them to license that content under CC BY 4.0 when they do, otherwise they should not submit it. Thus, all user-submitted content will be released under ...
1
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1answer
66 views

Should I put PATENTS file to build folder

There is an editor Draft.js. It's licensed under the BSD-style License. Every file in the source code has a copyright notice. Here is a piece of that notice: * This source code is licensed under the ...
1
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0answers
43 views

How do I comply with MIT or Apache licenses while making clear that these licenses only apply to the libraries?

I am making a closed source app for my employer. This app uses libraries under MIT and Apache licenses. How do I comply with these licenses in such a way that it is absolutely clear that these ...
2
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1answer
566 views

Do I need to place a second license notice on my own code under the Apache License?

I have a project template that I have published to GitHub which is currently licensed under the Apache 2.0 License (I am the sole author/contributor). I want to use this template in another project ...
1
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1answer
698 views

License of the Linux kernel user space API headers

The Linux kernel is licensed under the GPLv2. The headers that it exports to user space, however, are not covered by the license. This is documented in the kernel's licensing rules: The User-space ...
1
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1answer
64 views

Clarification on use of GPL open source code

I am a little confused around the restrictions surrounding my use of existing (GPL) open source code. I plan on using open source code (GPL license) to build an application - my plan is to use and ...
4
votes
1answer
67 views

Do you have to specify dual licensing before releasing open source software?

I'm working on an open source project I'd like to release at some point. I am going to license it under the AGPL v3, but I'd like people to have the option to pay for private development which only ...
1
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1answer
247 views

Can I use Google's Safe Browsing logo?

I'm using Google's Safe Browsing API. I want to put their logo on the bottom of my input form so that people know I'm using the API. However, I'm not sure if it is legal. On the bottom of the page it ...
5
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1answer
89 views

What does “user-visible display” in RPL mean?

I do not quite understand what "user-visible display" in the following sentence in RPL (https://opensource.org/licenses/RPL-1.5) means: d. User-Visible Attribution. You must duplicate any notice ...
1
vote
1answer
219 views

Publishing Java project with LGPL licensed module

I have a Java project made by multiple JARs and one of them is LGPL licensed. I know that this kind of license doesn't propagate through the modules that uses it. But every code modification that I ...
6
votes
1answer
2k views

Can I legally use iText under the AGPL license if my application is only available on a local area network?

I'm considering integrating iText into an internal-use web application. According to the AGPLv3 license, I have most certainly modified "the Program". However, this application cannot be accessed ...
3
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0answers
266 views

Recursive license implications for third party FOSS components?

I'll use Qt as an exmaple: If I use Qt for a commercial software, I have to consider the Qt licensing, but at the same time Qt states many own third party components with different FOSS licenses. e.g....
2
votes
2answers
128 views

Is it legal to release an old commercial software as free software?

A group of friends and I are discussing founding a startup where the products would be commercial software. One the most important aspects that in our opinion we should put in any legal agreement is ...
0
votes
1answer
191 views

Licensing and publicly hosting commercial software, but free for non-profit or personal use

I am developing a commercial PHP software which I will offer for free for non-profit, open source, personal usage and for self training and I want to make it open source but in the same time it is a ...
0
votes
1answer
73 views

Can I use a CC-BY-SA licensed image as part of my online course's cover (commercial use)?

I'm creating online course about coding with the Express JavaScript framework, whose site and logo are licensed under the CC-BY-SA license. Since my course is about Express, I want to use Express's ...
0
votes
1answer
199 views

Using a GPL external executable within a commercial web application

I want to develop an idea for a commercial web application. To provide that service (and get paid for it), I need to use an external executable software somewhere in the process, which is licensed ...
6
votes
1answer
453 views

Creative Commons: Unported vs. Generic vs. International etc

I'm a big user of Creative Common licenses and I often used https://creativecommons.org/choose/ in the past to find the right license to use. However I see now many suffixes for CC Attribution ...
4
votes
1answer
126 views

What parts of license to put on “show w” and “show c” command?

My program came with GNU GPL 3 license and has a COPYING file which has the copy of GNU GPL 3 license inside. I finished my open source program, with all of its documentations. I followed the GPL ...
0
votes
0answers
457 views

Can I use GPL-licensed software in a commercial program?

Can I use GPL-licensed software in a commercial program? I know that the use of source code in a commercial program is forbidden but if I use system call functions for example I make the call a bash ...
2
votes
1answer
211 views

VLC and VLCJ licenses

I'm confused about the licenses GPL and LGPL. I see that VLC is released under LGPL license since sept 2011: https://www.videolan.org/press/lgpl.html. But VLCJ, which is a Java wrapper on top of VLC, ...
6
votes
3answers
241 views

How to deal with copy-left in source-code history prior open-sourcing?

Given the following situation: A software project is released as open-source under a non-invasive license (e.g., BSD 2/3 clause, Apache 2, ...). During the process, the entire Git repository is made ...
3
votes
1answer
2k views

What's the usual procedure when using MIT or BSD-2-Clause licensed source code with something like `<script src="…`, `require(…` or `import …`?

This is not a legal question. It might touch the legal aspects around Open Source licenses but I need general help understanding how they work and what the usual procedure is. Part 1 of my question: ...
0
votes
1answer
266 views

Is a custom license enforcable? [duplicate]

I have written my own license recently which can be found here. If I applied my licence to my work (in the same way I'd apply the MIT license on a GitHub repo for example) would my license be valid ...
-1
votes
1answer
219 views

License considerations with Java 9 deprecations

I'm using the javax.activation package in a project that is deployed as a monolithic jar. The mentioned package is licensed under CDDL 1.0 and up to now part of the Java distribution but is now ...
12
votes
2answers
17k views

In 2018 if I use C++ Qt 5.10.0 to build a closed source application requires open source or commercial license?

I currently have a C# application that I want to convert over to Qt/C++ 5.10.0 but I am having an issue with QT licensing. This application is given away for free, but it has a service that the user ...
8
votes
1answer
360 views

Reproducing all npm package Licenses

I'm about to release a website that uses a lot of open source software. There are likely 30-100 packages, and those probably include more packages. I've made sure none of them are the type of ...
5
votes
1answer
286 views

Moving project from AGPL to Apache v2 / MIT license

The question in a nutshell Hi! Together with a team of brilliant engineers we've been building a software project (http://luna-lang.org) for the last two years and now we want to release everything ...
-3
votes
1answer
54 views

choose between open-source or close source

if hypothetically I have developed special software, and I only want author recognition for it (leaving money aside) can i choose to distribute my creation as open source without other people usurping ...
3
votes
1answer
908 views

LGPL-licensed code reuse in MIT-licensed project

I have an MIT-licensed (in plans, currently it's not published) project. And I've found an implementation of the required algorithm in an LGPL-licensed project. Am I allowed to include that code in my ...
5
votes
1answer
418 views

Guidelines for licensing and attribution for code from an article/blog post

I am following a series of programming articles. In order to understand them better, I type in the code examples and play around with them - sometimes I change the code, sometimes I don't. I also like ...
0
votes
1answer
61 views

How do people hide protection methods for payed for open source software?

I am making some software that will need to play back mp4 videos (a small part of the application). The software has a mechanism built in so that I can unlock features after payment . The mechanism ...
1
vote
0answers
249 views

Would I need an FFMPEG licence?

Would I need an FFMPEG licence for an application that I am building? It plays back mp4 videos but I can’t get my head around the lingo in the licences. I don’t need to edit video or convert anything ...
4
votes
1answer
93 views

Is an icon covered by the same license than the repository it belongs to?

I would like to know if I can reuse an icon that is inside a repository licensed under BSD 3-clause for a project that I release under unlicensed. My understanding is that all files that are in a ...
-2
votes
1answer
355 views

Do I need a license when I use licensed libraries in my app?

I have an Android app using two libraries (GPLv2 and APLv2). I read that GPLv2 and APLv2 are incompatible. I will show which open source libraries I've used and tell the reader which licenses the ...
2
votes
1answer
550 views

Can I change the copyright license, with this text in the CLA?

If I include this in the Contributor License Agreement (CLA) for an open source project I'm doing: (the following is from Apache's individual CLA) Grant of Copyright License. Subject to the terms ...
6
votes
1answer
527 views

How can a GPLv2 dependency affect licensing of adjacent components that form an aggregate project?

I've read some of the GPL questions on here that seem relevant, but I haven't found an understandable answer for my particular case. I'll note them here for reference. When does a dependency imply a ...
4
votes
2answers
148 views

Do Open Source/Free Software projects require submitters to submit proof of authorization to contribute?

Almost all paid programmers in North America (and probably the whole world?) have signed an agreement with their employer which assigns all inventions, copyright, patents, and intellectual property ...
9
votes
1answer
871 views

What is the purpose of “or (at your option) any later version”? What if I don't want this?

Firstly, what is the exact purpose of the phrase "or (at your option) any later version" that usually accompanies GPL-licensed software? I get that it's supposed to be to allow future freedoms to be ...
1
vote
1answer
203 views

GNU GPL v2 - Using libraries?

I had a question about the GNU General Public License v2 license. More specifically, I'm using a library with a GNU GPL v2 license. I'm merely importing it in Java through Maven, I'm not ...
28
votes
10answers
10k views

Is there a generally accepted “anti-copyleft” clause or license?

I would like to publish code for an application under an open source license like BSD, MIT, or Apache 2 which allows for changes and derivative works to be contributed back to the open source project ...
1
vote
1answer
113 views

Using OSS of different licenses in MIT-licensed software

If I create a new MIT-licensed OSS project and use other software with different licenses (MIT, GPLv3, no license), what is the best way to create a compliant repository? We thought of adding a ...
2
votes
1answer
789 views

Interpretation of AGPL with Shiny Server

The open source version of the Shiny Server is released with AGPL v3. Along my interpretation of the AGPL, this means that all the code that is deployed on the Shiny Server has to be released with (A)...
-1
votes
1answer
111 views

Does the GPL/RPL Apply to me as Well? [duplicate]

I want to create a commercial application, but I want to make a significant portion of my back-end open source. It applies some really interesting math that I want people to learn from, but I don't ...
2
votes
1answer
716 views

Can I use AGPL component to create a data file for commercial application?

I’m using an AGPL library in an internal tool. We don’t redistribute the tool to anywhere. We don’t expose the tool over a network either. The tool produced a data file, namely a PDF document, that I’...
2
votes
1answer
76 views

License for origami crease pattern drawing software

I'm planning to make some origami crease pattern drawing software. Now this will be mainly based on an existing piece of software (Oripa 3.5) which is under the GNU GPL 3 license. The author mentioned ...
2
votes
1answer
4k views

Include library dependencies licenses as well?

Sadly this didn´t really answer my question: When including libraries licenses, do I need to include the libraries' dependencies' licenses too? If I use Library A which is MIT and Library A ...

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