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Can I develop a video game or mod related to 3rd party artwork?

I'm developing a video game with many easter eggs and references to science, technologies, philosophy, and some movies, tv series, animated series, video games, franchises of fictional universes, ...
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  • 101
1 vote
0 answers
27 views

gpl-3+aiohttp license integrity

I am working on an aiohttp server that will call python modules or shared object libraries. SOME of those modules or so's might be governed by GPL-3 licensing. The parent aiohttp server that does ...
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1 vote
1 answer
53 views

Can content licensed under CC BY-SA 4.0 be redistributed under CC BY 4.0? If not, what are my options?

My situation is the following. I'm about to submit an article to a journal with the goal of having it published in that journal. The journal distributes its content under CC BY 4.0. While writing this ...
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  • 455
3 votes
1 answer
73 views

AGPL and cloud providers

Let's say that you are a service provider (like AWS, Google Cloud, DigitalOcean, Heroku for example) and you decide to offer a database that is licensed under the AGPL as a managed service. Do you ...
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5 votes
1 answer
104 views

Legality of publishing code for a stackoverflow answer as an example implementation

Consider this scenario: I was trying to implement my own version of some awkward functionality. The same functionality is implemented in at least one open source library (which allows copying). My ...
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2 votes
1 answer
44 views

API source code has a dependency with BSD license

I have an API that I use for commercial purposes. I find out today that I have dependencies with licence types: BSD (3-Clause), BSD, Apache, and MIT. I am confused as the BSD (3-Clause) license states ...
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2 votes
1 answer
61 views

Can an AGPLv3 licensed application be provided with a proprietary portion?

I have come across a web application project on GitHub that uses AGPLv3 as it's primarily licensed, but a sub-folder of the project is provided under a proprietary license. This contains the code for ...
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0 votes
0 answers
38 views

Licence and requirements for Open Source cryptographic library usage

i am wondering which conditions apply if i want to use an Open Source cryptographic library embedded in a proprietary software. The software will be proprietary and shall implement a digital signature ...
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  • 101
3 votes
1 answer
51 views

What must you include in a derived work of an MIT project?

I am very confused about how the MIT license works in detail. In layman's terms, I understand the following: If you distribute copies of MIT source, then you must include the license, and the rights ...
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1 vote
1 answer
53 views

Is it possible to monetize the hosting of a GPL-v3 licensed app?

If I understood correctly, every derivative of a GPL-v3 licensed software is imbued with the GPL-v3 license. Does this mean that I have to disclose the code I used for the infrastructure that runs the ...
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4 votes
1 answer
83 views

What would be a polite / correct way to take over a mostly abandoned open-source project?

There is this popular open source project that maintains a language specification. The original maintainer also maintains most of the programming-language specific libraries like Ruby, JavaScript and ...
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1 vote
1 answer
48 views

Can I remove files that I do not use under ZLib license?

I have downloaded the SDL2 libraries source code and noticed that I do not use the majority of what is in there. However, there are licenses in there under the ZLib license. So my question is whether ...
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1 vote
2 answers
75 views

Is there any license which is based off on AGPL, but provides exemptions for the owner to allow others use it under a different license?

I have a set of libraries or framework that has been under development for more than a year by my team. We are finally nearing the completion of a few of these projects and want to release them as ...
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  • 21
-4 votes
1 answer
78 views

Can i copy MIT licensed code and then publish it as my own?

i have a question. Can i copy code (500 lines) from an open source python pip library under MIT license, modify the code and add my (100 lines) and then publish it as not open source and charge people ...
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3 votes
1 answer
50 views

Copyleft/share-alike non-attribution licenses?

Is there any existing license can a person can use to distribute a document that allows reuse, derivative works, and free distribution, under the condition of it being licensed under the same or a ...
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  • 33
1 vote
1 answer
72 views

How do you legally get data out of a GPL or AGPL program?

After talking to a lot of people, they seem to give the impression that once the data goes into a GPL licensed program, it can only be extracted from that program by GPL licensed software. I am told ...
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2 votes
2 answers
570 views

GitHub repository ownership when working for a company

In the context of academic research, a company holds a GitHub account. Researchers come and go, and many create a repository related to their research project, using open-source licenses such as GPL3. ...
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3 votes
0 answers
42 views

Does a BSD-3 repository own Pull Requests?

I submit a large PR to repository X. Later, I close the PR and make my own repository that uses some of X's code, and give X due attribution in the NOTICE file and function docstrings. At time of ...
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7 votes
1 answer
2k views

Need samples of copyleft notices

I would like to make my lecture notes free, and available to all, but would like to be given credit if others use part of it. Should it be copyleft, GPL, CC, or others? What would be a proper notice ...
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4 votes
1 answer
195 views

Where should I include the license and copyright notice into my website?

My website used TailwindCSS, and other OSS. TailwindCSS (generated the css) (imported via npm install) typed.js (imported via <script src=""></script> from https://cdnjs....
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  • 43
1 vote
1 answer
33 views

How does using MIT Licensed code in a GPL or AGPL work affect the original licensed work?

In the GPLv3 license, it states: “Additional permissions” are terms that supplement the terms of this License by making exceptions from one or more of its conditions. Additional permissions that are ...
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0 votes
0 answers
34 views

Can GPL or AGPL talk to non-GPL software (via API, for example)?

Does the GPL or AGPL restrict programs from talking to other programs with other licenses via API? (i.e. transferring data.) Example scenario: Person 1 has Software A which has a GPL license. Person ...
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3 votes
1 answer
63 views

Citing project with license but without copyright notice

The authors of a project whose code I wish to use and is licensed under GPL-3.0-or-later have failed to provide a copyright notice. I know what their GitHub organization is. How should I cite their ...
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  • 225
2 votes
1 answer
206 views

How to use code licensed under GPL-3.0-or-later in a project licensed under GPL-3.0-or-later?

I'd like to use code from project A that was licensed under GPL-3.0-or-later in project B, which is also going to be licensed under GPL-3.0-or-later. What should the license headers in the source ...
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  • 225
5 votes
3 answers
107 views

Is treeware GPL compatible?

I recently noticed that some projects on GitHub are "Treeware". For example https://github.com/APIDevTools/swagger-methods (originally MIT license). The README says: This package is ...
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1 vote
0 answers
50 views

FFmpeg & AAC licenses & patents

I checked every AAC- and FFmpeg-related question on the entire StackExchange and it's not yet clear to me. In my project, I provide some audio-only content, encoded in AAC, to the end users. Some ...
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2 votes
1 answer
52 views

SPDX And Copyright notices. Do I need to do anything about dependencies?

I'm currently working on a new MIT licensed project (with Creative Commons License for documentation). The project uses a combination of Java and Kotlin and is built with Gradle. All files have ben ...
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2 votes
0 answers
28 views

Using Apache 2.0 libraries to test GPL 2 library

I'm making a library which is a derivative work of openjdk that's released under GPL 2.0 with Classpath Exception, so my library is obviously GPL 2.0+CE too. I'd like to write tests for my library ...
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  • 121
2 votes
0 answers
52 views

Does MySQL / MariaDB allow proprietary (i.e. close-sourced) storage engines?

I understand that MySQL (community edition) and MariaDB are under GPL v2 license. Does it mean that it is not allowed to build proprietary database storage engines for them? It is inevitable that one ...
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  • 21
1 vote
0 answers
37 views

How to implement BSD Licensed library to MIT License project?

Currently, i'm facing a problem with library licensing in web development. I have my web project in MIT license. Now i'm trying to use library(javascript) that using BSD 2 License (Source from Github)....
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  • 11
1 vote
1 answer
65 views

How to properly give credit to gpl3 code snippet

I have a simple MIT licensed project and need to include a about 10 lines of GPL3 code (some math stuff that needs to be the same). I know that i need to change the license of my project, give credit ...
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16 votes
2 answers
3k views

Can I copy some AGPL code to my AGPL project?

Let's say Alice has Project A, which is licenced under the AGPL, and Bob has Project B, which is also licenced under AGPL. Bob sees a function in Project A that looks very useful, and wants to copy it ...
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4 votes
1 answer
1k views

A clarification on a GPL "interpreter clause" corner case

The GPL clearly states that in the case of interpreters, if the interpreter is linked against a derived work, and the interpreted program code reaches those bindings, then the licensing extends to it ...
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  • 269
-4 votes
1 answer
53 views

Structuring C libraries [closed]

In the past years, I wrote much C source code, parts of which might also be useful to others. So I would like to restructure this code in a way such that it makes sense to publish it on Github and ...
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  • 95
-3 votes
1 answer
48 views

Disallowing FOSS code to be used for certain purpose [duplicate]

I want to release my proprietary software as open source but don't want people to use it with the same purpose as I do, for example imagine you have made a video streaming app but you want to be the ...
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3 votes
1 answer
122 views

Converting a Qt program from LGPL to "commercial" and back

We have developed a Python program with a Qt GUI, using the PySide2 bindings. We have so far used the LGPL option of Qt. We were happy with this, as we believe we understand our rights and obligations ...
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  • 31
1 vote
0 answers
36 views

Some files or parts of code Apache 2.0 into new Open Source project

If one is to release a new open source project using a license like Apache 2.0 or MIT, or any other, and this project uses some files or parts of code, that can be slight modified for a proper use or ...
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12 votes
4 answers
4k views

Is requiring a link to my site allowed for a FOSS license?

If I require a SEO link to my site (with that my software installed) from every installation of my software, does it make my license not FOSS? Can I use GPL components in so licensed software? Can you ...
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  • 469
-1 votes
1 answer
76 views

MIT License technicalities and compatibility with Apache 2.0

I'm working on a FOSS project and would very much prefer to release it under MIT license. To consider, it is a C program, using a MIT licensed library, a MIT licensed executable packaged in the files, ...
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2 votes
0 answers
67 views

Internal Python application and Python packages with multiple licenses

I am developing a tool for internal use in my company using Python and several Python packages. This tool uses different kinds of Python packages, all of which have one of GNU Public License, Lesser ...
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  • 21
4 votes
2 answers
507 views

Question on license for piece of U.S. Federal Government produced software

The license attached to the script/software reads as follows: “Software code created by U.S. Government employees is not subject to copyright in the United States(17 U.S.C. §105). The United States/...
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1 vote
1 answer
84 views

BSD-3, third clause clarification

Neither the name of the [organization] nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. What's this ...
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5 votes
1 answer
97 views

Would a YouTuber fall in trouble for recording a walkthough of a Game that uses music licensed under CC BY 3.0?

I'm basically developing a Game with a background music licensed under the CC BY 3.0 along with couple of other music/sound effects. Now suppose a YouTuber/Gamer in future decides to publish a walk-...
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  • 53
1 vote
1 answer
59 views

what to implement in my commercial website in order to legally use PrimeNG MIT license?

I'm trying to find some very specific angular ui components that I can only find in primeNG. I never used it before, it looks simple enough to implement, the only problem that i'm having is that I ...
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  • 121
5 votes
1 answer
97 views

Is this flutter plugin wrongly licensed under MIT?

I've found a flutter plugin on pub.dev that is licensed under MIT, but in its build.gradle for Android building it references another library that seems to be a fork of a GPLv2 library. In turn, I ...
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  • 53
2 votes
1 answer
33 views

AppleJavaExtensions-1.4.jar is free or not for commercial use?

I know AppleJavaExtensions-1.4.jar is under Apple License. https://developer.apple.com/library/archive/samplecode/AppleJavaExtensions/Listings/README_txt.html I wonder that AppleJavaExtensions-1.4....
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3 votes
1 answer
413 views

Is it allowed to copy code under the Unity Reference-Only License?

While developing the game, I need a method that changes the rendering type of the material, but the corresponding method is in the internal class StandardShaderGUI, which I don't have access to. I ...
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1 vote
0 answers
31 views

What is the standard format for the MPL-2.0 license modification notice?

I would like to use a modified version of open-source code licensed under MPL 2.0 in my own open-source code, also licensed under MPL 2.0. But I'm unsure about the specific standard format for ...
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  • 365
2 votes
1 answer
82 views

Is AGPLv3 "sticky" for commercial clients's clients? (embeddable script)

I'm doing a platform for LiveChat, commonly this LiveChat is embedded in other sites via a js script so the live chat widget is displayed in the host websites, therefore it allows communication with ...
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  • 121
1 vote
1 answer
59 views

Which open-source license allows everything except warranty?

The most permissive liscense known to me, Creative Commons Zero disallows patenting of the source but I would like to grant all permissions except warranty.
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