Questions tagged [derivative-works]

For questions about works that derive their core from another open work.

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4
votes
2answers
228 views

Can an open source/free alternative put a company at risk? Has this ever happened?

There is a very nice quote by Alberto Vázquez-Figueroa (Spanish writer and inventor) which reads: "El éxito o el fracaso de un invento no depende de a quien beneficia, sino de a quien perjudica." ...
4
votes
1answer
6k views

Can I fork and sell a modified Apache 2.0 licensed project? [duplicate]

There is a nice Apache 2.0-licensed project that already implements the foundation of a way more elaborate product that I intend to sell as proprietary. Something like the 70% of the code will be ...
3
votes
1answer
252 views

Creating a game based on a story licensed under CC BY-SA 3.0

Some of you may be familiar with the collaborative fiction site SCP. Their content is licensed under the CC BY-SA 3.0 license. Suppose I am trying to create a game based on this. Under the ShareAlike ...
0
votes
1answer
806 views

Can I redistribute a modified part of an open-source project under 3-clause BSD license

I would like to take a small stand-alone part of an open-source Python project (one class from a relatively big project), enhance it, and release it as separate project on PyPI so that I can use it ...
1
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1answer
169 views

Use a modified GPLV3 library - what code should be made public?

Situation: A commercial product, using a locally modified GPLV3 licensed library. GPLV3 clearly requires to disclose source code. Question: Which source code are we talking about about ? (a) The ...
1
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1answer
169 views

If I include a ShareAlike/GPL/viral-licensed character in my videogame, is my videogame stained?

I'm making a video game with importable custom characters. My characters have a special license that forbids pornography and blasphemy in derivative works. It is viral in itself to prevent such acts. ...
4
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2answers
1k views

MIT license ambiguity about copyright?

I asked this question in softwareengineering.stackexchange.com but it was pointed out to me that it is better suited to be posted here. I deleted the original thread in the other subforum. So the ...
0
votes
1answer
154 views

Can I make a closed-source game if part of it utilizes a EUPL-licenced code?

I want to make an app game in which I make use of a code that is licensed under the EUPL. The code will probably make up about 10 to 20 percent of the game's entire code (the rest will be original ...
4
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3answers
253 views

Is linking a correct proxy for derivative work determination in (copyleft) FOSS licenses?

I tend to use these simple tests to determine if the copyleft terms of a third-party project apply to the calling/reusing code: if the calling code is linking (statically or dynamically) with GPL-...
1
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2answers
138 views

Maintaining old Android app under GPLv3

I want to change an old Android app that is under GPLv3. I will do some refactoring of existing code, add some new functionalities and publish it as commercial app. What part of code I must publish ...
4
votes
1answer
229 views

Use of a CC BY-NC-SA licensed LaTeX CV template

Is it permissible to use a LaTeX template for writing a Curriculum Vitae (CV)/résumé, licensed under the CC BY-NC-SA, in order to gain paid employment? Examples of such templates can be found, for ...
2
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1answer
94 views

Licensing a project which uses numerous other modified projects under different licenses

I am using multiple libraries in a project I plan to release and distribute in both source and binary form. In my project, I use a few other open-source projects, and modified the source-code in a few ...
0
votes
1answer
450 views

Create a new git repository which includes part of an existing one?

The git repository for an existing open source library looks something like this: A/ B/ C/ D/ E.txt F.txt I need to create a new repository for a new ...
6
votes
1answer
181 views

At which point does your work stop being a derivative of a seed project?

Seed projects, in my understanding, are commonly meant to help quick-start an application development by taking away the boilerplate, redundant work, and maybe provide an initial architectural ...
5
votes
3answers
975 views

Software is under GNU/GPLv3, which licence to chose for pictures taken from it?

So, I recently released a FOSS software with a GNU/GPLv3 licence and just realized that the software can be used to produce pictures. I want the pictures to be free (as in freedom) in any case and ...
1
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1answer
3k views

How to disclose source of a software with mozilla public licence?

I am distributing the binary of a software that I derived from a MPL-licensed source. I only reskinned the software. How do I conform to my obligations regarding redistribution of source code? Can I ...
1
vote
1answer
95 views

Is it possible to have a non-comercial license, while allowing commercial use of derivative works and further modification of the derivative work?

This is a somewhat complicated situation, and I have trouble finding a Creative Commons license that is appropriate. Here is what I want the license to do: Others should be able to redistribute my ...
4
votes
1answer
3k views

Combining Apache 2.0 with closed source

I want to use a third party software C-library "A" commerially in a product "P" (in fact a firmware, running on a device). The third party product "A" is subject to Apache 2 license. That means, I ...
5
votes
1answer
2k views

BSD 3-clause: how to update with modifications?

Let's say I start with code that is (c) 2014 Struvious Featherstone and licensed according to the BSD 3-clause license. Now I make some changes for my employer Zippety Duda, Inc. and I want to ...
1
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1answer
270 views

Licensing a derivative work from a project

I'm going to write a C library that contains the major and most useful functions from Apache Commons IO's Java package. I will rewrite in C a lot of functions contained in Apache Commons. What do I ...
11
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2answers
3k views

If my R package uses GPL packages, does mine automatically inherit GPL?

I've built an R package that uses a mix of libraries licensed under GPL-2 and GPL-3. From what I've read, because of this dependency, my package will also have to be GPL. See here: https://www.gnu....
5
votes
1answer
312 views

When does a dependency imply a derivative work?

I'm building a program which gets certain info off the net, makes calculations, then sends the info to the net again. I don't program the 'taking off the net' and 'sending to the net' parts though; ...
3
votes
1answer
411 views

Can I rewrite the Linux kernel by hand and modify it to escape it from the GPL? [duplicate]

If I took the linux kernel, rewrite it and changed the order and file names and some other stuff, and destroy the original linux kernel, will the new kernel be subject to the terms of the GPL? tl;dr: ...
2
votes
1answer
1k views

GPL-2 Derivative works

Suppose we have this scenario: there are 4 Free softwares (under GPL version 2); a man puts them in a Stack and codes some glue-tools and a GUI to wrap them all together; now the stack is a Platform,...
19
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2answers
872 views

Theseus' Paradox applied to code copyright

Assuming a copyright license (I'll reference Apache 2.0, but that's an example only) that allows derivations, at what point are those derivations so extensive that the Apache license no longer applies?...
6
votes
1answer
364 views

License for Python module derived from standard library module

I'm creating a short module, which is directly based on the netrc module in the Python standard library. It's the same module, with some alterations and extensions. Is my understanding correct that I ...
6
votes
1answer
109 views

Does the mutilation clause make CC-BY and CC-BY-SA non-free?

This clause is section 4(c) in CC-BY 3.0 Unported and 4(d) in CC-BY-SA 3.0 Unported: Except as otherwise agreed in writing by the Licensor or as may be otherwise permitted by applicable law, if You ...
1
vote
1answer
262 views

Is every project using a Json licensed library forced to add "use it for good, not evil" statement to its license?

The Json license has an appendix where it says: The Software shall be used for Good, not Evil. If I want to use a library with the Json license am I forced to add this quote to my license? ...
2
votes
1answer
73 views

Licensing derivative work of forked code base

What I have done There's PHP tool which uses Bitbucket API to deploy code on environments without Git etc. It's licensed under GPLv2 or any later. Bitbucket API is shifting from v1 to v2, and it's ...
1
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1answer
174 views

Can I sell my own CMS based on another CMS (e.g. WordPress) and encrypt the source code?

Can I recode WordPress or another CMS and then sell it as my own? Can I encrypt the source code?
4
votes
1answer
125 views

Are derived videos of ShareAlike licensed material subject to CC BY SA?

If a video were to include media released under a Creative Commons share-alike license, would the final video also need to be released under a similar license since it is a derivative?
7
votes
2answers
714 views

Does programmatically looping a song in a game qualify as a derivative work?

If I want to put a song licensed under a Creative Commons license that does not allow derivatives (such as CC BY-NC-ND 3.0), am I allowed to programmatically loop (or apply effects) to the song when ...
5
votes
1answer
761 views

If software requires a modified (linux) kernel to function, is it considered a derivative work of the linux kernel?

I'm writing a userspace driver which requires some modifications to the Linux kernel to function. The modifications expose new functionality by the sysfs interface. I understand that the ...
7
votes
2answers
496 views

AGPL and Node.js

Supposed I have written a server in Node.js that I licensed under AGPLv3. Now, if somebody takes my code and modifies it, this is a derivative work. So far, so good. Supposed my server has the ...
7
votes
3answers
873 views

Does OSL 3.0 require user access to source if I sell access to it as SAAS?

We are a small group of developers who are looking to base a product we have in development on a OSL 3.0 licensed Project (OroCRM). I have been having trouble understanding the exact terms of the OSL ...
3
votes
2answers
3k views

Can I use Oracle's JDBC driver in an MIT licenced project?

I have decided to make a project of mine free and open source under the MIT licence. This project uses Oracle's JDBC driver. My question is am I able to include ojdbc in my Github project and if so, ...
3
votes
1answer
767 views

Licencing my project while considering dependencies

I'm considering licencing my projects under the Unlicence licence, but I'm not sure if this is allowed when I have dependencies. For example if my project depends on a GPL or Apache or BSD project, ...
8
votes
4answers
1k views

How do you use GPLv3 icons in non-software artwork?

Icon sets are often released under software licenses. For example, I use the Numix icon set, which is GPLv3, on my laptop. Suppose I wanted to use these icons to create a derivative non-software ...
5
votes
1answer
76 views

Does GNU Classpath exception allow me to take parts of the library, link with them and distribute the resulting executable on my terms?

GNU Classpath exception says I can link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the ...
13
votes
1answer
2k views

Derived work of BSD licensed software, how do I indicate this?

I found a javascript module (file), which contains two functions, and I would like to modify it under the terms of its BSD license. I'm happy for the resulting source file to be declared derived work ...
7
votes
3answers
2k views

Confusion about derived works from an MIT License

I am confused by copyright licenses. Specifically whether or not I am permitted to use derived code from W3Schools in my production code base. To give a bit of context I have a contract to build a ...
4
votes
1answer
210 views

Using CC Attribution-Share Alike 3.0 Unported image in a book

I would like to use an image in the cover page of a paid book. The image is first published in Wikimedia and it is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. I ...
6
votes
1answer
581 views

For Software based on GPL library should I have to release software under GPL license or can I use MIT

I am currently building a generic rest framework and using Jersey and Grizzly as frameworks to build upon. Originally I planned to release (for commercial or public/private use) it under MIT license ...
15
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6answers
1k views

GPL-Licensed LaTeX template - implications for resulting work?

I'm currently writing my master thesis, and the classicthesis template we're supposed to use is licensed GPLv2+. As I understand the GPL, this makes my written thesis a derivative work, and would ...
6
votes
3answers
151 views

If I create a derivative work of code that follows a protocol, am I still bound by its license?

I'm giving myself a headache just thinking about this, so would appreciate anyone else with an opinion. First, off, a note: I'm absolutely aware that my current code is a 'derivative work' - That's ...
1
vote
2answers
358 views

GNU GPL question: Do I need to open source my entire app?

I am using the Telegram API (licensed under GNU GPL) to integrate chat services within my own application. The developer of Telegram asks to - "Please remember to publish your code too in order to ...
6
votes
2answers
113 views

Can I take a few classes out of a library and use it in my project or should I always use the entire library?

Let's say I need a piece of functionality and there is a library on GitHub, licensed under Apache 2.0, that provides that funcionality. There are a couple of use cases that can occur that I would ...
11
votes
2answers
528 views

Recourse for forks ignoring open source license on original code in App Store?

I used to contribute to a free iOS app on GitHub that was released under the Mozilla Public License Version 2.0. Multiple people have since taken the code from that GitHub repository and released ...
3
votes
2answers
144 views

Does modifying and using a GPL program on a single hardware makes all the project GPL?

I had a bit of a chat at work concerning an ongoing project and I wanted to ask about it to a community who knows about GPL. I’m far from being an IT specialist (and a licensing specialist also) so ...
1
vote
1answer
79 views

Are YouTubers Allowed to Record any Game [closed]

For games like minecraft it is released under "LGPL 2.1 or later", does this mean that if you record Minecraft the video must also be released under the LGPL 2.1 or later? Is a separate license ...