33 votes
Accepted

Choosing the most restrictive open-source license

There is no free software / open source license that will satisfy your requirements. These licenses generally focus on the freedoms of end users, they are not trying to restrict anyone. The freedom to ...
amon's user avatar
  • 38.8k
29 votes
Accepted

Is re-encoding an audio or video file permitted under CC-BY-ND?

CC BY-ND 4.0 says in section 2(a)(4): Media and formats; technical modifications allowed. The Licensor authorizes You to exercise the Licensed Rights in all media and formats whether now known or ...
apsillers's user avatar
  • 35.9k
21 votes
Accepted

Can I "upgrade" the version of CC BY-SA from 3.0 to 4.0 in my modification?

The CC-BY-SA 3.0 license is “forward compatible” with later versions. In section 4(b): You may Distribute or Publicly Perform an Adaptation only under the terms of: (i) this License; (ii) a ...
amon's user avatar
  • 38.8k
18 votes

Protect public project from potential patents

You are touching 2 different topics with your question. a) Which is the appropriate license for hardware? b) How to prevent that someone else can get a patent for your device? For a) you might want to ...
Martin_in_AUT's user avatar
16 votes

What are the consequences for downstream actors of redistributing a work under a wider CC license than the copyright holder authorized?

Company A violated the license by redistributing in a manner they were not licensed to do so when they changed from CC X to CC Y. Company B thought they were doing a permitted thing by taking what ...
ivanivan's user avatar
  • 1,015
16 votes

Can a derivative of a public domain text be licensed under CC0?

The CC0 is a public domain dedication with a very permissive fallback license for those jurisdictions that don't accept public domain dedications. From the description of your changes, they seem to be ...
Bart van Ingen Schenau's user avatar
13 votes
Accepted

What is considered proper attribution for a deleted Stack Exchange post?

In 4(c) of CC BY-SA 3.0 it is defined how attribution has to be provided. For the work’s URL, it says: […] (iii) to the extent reasonably practicable, the URI, if any, that Licensor specifies to be ...
unor's user avatar
  • 5,620
13 votes
Accepted

Can derivatives of CC BY-SA works be licensed under CC BY-NC-SA?

No, it’s not allowed. It says on the license summary page: No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the ...
unor's user avatar
  • 5,620
13 votes
Accepted

What are the consequences for downstream actors of redistributing a work under a wider CC license than the copyright holder authorized?

Company A is certainly liable for their misrepresentation of licensing terms. However, that does not legally excuse Company B's downstream distribution under those wrong terms; they have (accidentally)...
apsillers's user avatar
  • 35.9k
12 votes
Accepted

Is a government organisation commercial or non-commercial?

It depends. The type of user itself doesn't matter, at least according to Creative Commons. It is how you use it that matters. From their FAQ: Does my use violate the NonCommercial clause of the ...
congusbongus's user avatar
  • 8,889
12 votes
Accepted

Use SVG code licensed under CC

Fair disclosure: I'm not a lawyer. Short version: I'd do both. Longer version: The way I understand the CC license(s), the point is to make it very clear where the images you're using come from. Most ...
Mureinik's user avatar
  • 5,072
10 votes
Accepted

Choosing a License for a Tutorial Site

Things like this happen all the time. Stack Overflow, Google Devs... First off, we need to look at ways to license. Stack Overflow works by licensing all content, text and code, under the Creative ...
Zizouz212's user avatar
  • 6,439
10 votes

Is it common to licence blog posts under Creative Commons?

The Creative Common licenses and thus especially CC-BY ones were designed as licenses for creative work like texts, like images, models etc. That includes of course work like texts in blog posts - and ...
planetmaker's user avatar
9 votes

Is Stack Exchange's CC-BY-SA v3.0 content compatible with the GPL?

Warning: It seems that this isn’t possible, because the provision (that only "the last license applied" has to be followed) was introduced with CC BY-SA 4.0, so CC BY-SA 3.0 doesn’t allow it. Please ...
unor's user avatar
  • 5,620
9 votes
Accepted

Can I sell closed source software which uses some CC BY-NC-SA code?

Unless I've completely misunderstood the question, that would be violating two of the Creative Commons license's restrictions: That it can only be used in non-commercial contexts That any derivative ...
curiousdannii's user avatar
9 votes

Can I "upgrade" the version of CC BY-SA from 3.0 to 4.0 in my modification?

IANAL but according to the Creative Commons Foundation although the CC-BY-SA 3.0 license allows you to license your new contributions under a CC-BY-SA 4.0 license it doesn't allow you to "upgrade&...
Trevor's user avatar
  • 339
9 votes
Accepted

Choosing a license for a repository of programming course material (LaTeX slides + examples code)

Does LaTeX code count as software or as text? Both. Neither. A mixture of the two. Copyright law doesn't in general make this kind of distinction, in the same way that a piece of paper might be "...
Philip Kendall's user avatar
8 votes
Accepted

OSI approved License similar to CC BY-SA 4.0

The Creative Commons licenses aren't approved simply because they weren't designed to operate on code.1 Software has different components, especially source code and compiled code, which the Creative ...
Zizouz212's user avatar
  • 6,439
8 votes
Accepted

Can I change the license of re-written code?

I want to publish my re-written code with new features on GitHub with MIT license. Can I do it or will I encounter problems? No, you can not publish your rewritten and extended code, because the CC ...
Bart van Ingen Schenau's user avatar
8 votes
Accepted

What is a good license for a software project template?

What would be a suitable license for this situation? The license that comes closest to your desires seems to be the Apache 2.0 license. It is a permissive license that allows derived works to be ...
Bart van Ingen Schenau's user avatar
8 votes
Accepted

Seeking Creative-Commons-like license with addition(s) to request or require modifications be contributed back to source

Requiring people to contribute their changes back to the original project is a bit of a problem point for licenses. For open-source license, such a requirement fails the "desert island test" and ...
Bart van Ingen Schenau's user avatar
8 votes
Accepted

Can a YouTube video use images licensed under Creative Commons Share Alike (CC BY SA) and not be an adaptation?

You want to reuse a CC BY-SA image in a video presentation. You don't say which version of CC BY-SA is applicable. v3 includes language that is explicit about your use case: "Adaptation" ...
MadHatter's user avatar
  • 48k
8 votes
Accepted

Can I create a translation for a project under a Creative Commons non-commercial non-derivative?

The question is, can anyone fork my repo and translate it into a different language under the Creative Commons License Non-commercial Non-derivative that I have? No. I believe that the copyright laws ...
Bart van Ingen Schenau's user avatar
8 votes
Accepted

CC-By-SA: Can the author update his past creation when updating his name?

Kind of. If we look into the terms of the CC BY-SA 4.0, we see the Section 3(a)(1)(A) requirement to “retain” the Licensor's “identification”, “including by pseudonym if designated”. So you should ...
amon's user avatar
  • 38.8k
7 votes

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

This is a legal answer. This is not legal advice. You shouldn't be trusting legal interpretations from an unqualified, Canadian secondary school student. I advise you to seek professional advice from ...
Zizouz212's user avatar
  • 6,439
7 votes
Accepted

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

Generally speaking, the output of a program running on input I provide is not a derivative work of the program. It might contain pieces belonging to others (e.g. clipart, canned boilerplate code) ...
PellMel's user avatar
  • 251
7 votes
Accepted

What is derivative work? What is "build upon"?

The concept of a derivative work isn't a software concept, nor a Creative Commons one - it's fundamental to the idea of copyright, preceding the invention of programmable computers by many years. The ...
MadHatter's user avatar
  • 48k
7 votes
Accepted

Creative Commons: Unported vs. Generic vs. International etc

4.0 For the latest version of the six main licenses, there are no ports. All of them are International: CC BY 4.0 CC BY-NC 4.0 CC BY-ND 4.0 CC BY-SA 4.0 CC BY-NC-ND 4.0 CC BY-NC-SA 4.0 (There might ...
unor's user avatar
  • 5,620
7 votes

Are there official Markdown versions of the CC licenses?

Many licenses require that the licensed work is accompanies by a copy of the license, e.g. GPL, MIT, BSD, GFDL, …. A Markdown version that can be copied into the project documentation can then be ...
amon's user avatar
  • 38.8k
7 votes
Accepted

Are old copies of "mistakenly licensed" OSS still subject to their previous licenses, even after "fixing"?

Are the old commits in project A with MIT still considered MIT? No, that code was never licensed under the MIT license: the individual(s) that made that offer to you never hard the right to make it ...
apsillers's user avatar
  • 35.9k

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