Questions tagged [creative-commons]

For questions about the Creative Commons licenses and the organization behind them. There are many Creative Commons licenses, so if you are asking a question about a specific license be sure to state which one.

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56
votes
2answers
8k views

Why is CC BY-SA discouraged for code?

Everybody knows that you shouldn't use a CC BY-SA license on your code. Even the Creative Commons folk recommend against it. What I don't know or understand is why. I can't seem to find any ...
34
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2answers
2k views

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

Say that Company A is an online platform which hosts user-generated content, and to do so Company A requires in its ToS that users license said content publicly under Creative Commons License X. ...
28
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3answers
1k views

How could using code released under CC0 infringe on the author's patents?

Creative Commons defines a CC0 license type (here's the full legal code) that claims to allow creators to release their works into the public domain by waiving "all their copyright and related rights ...
24
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2answers
790 views

What do I need to share if I include CC-BY-SA artwork in my software?

CC-BY-SA is a Creative Commons license with a copyleft clause - if you derive something from it, you must also provide the derivative under the same license if you distribute it. The relevant clause ...
21
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2answers
195 views

Why aren't Creative Commons licenses appropriate for data?

The Panton Principles state Many widely recognized licenses are not intended for, and are not appropriate for, data or collections of data. A variety of waivers and licenses that are designed for ...
20
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1answer
2k views

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

I have a .mp3 file licensed under CC-BY-ND 4.0 and I want to reencode it (without changing the content within) in the Ogg Vorbis format for sharing, but I do not want to violate the CC license.
20
votes
1answer
557 views

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

When a creator posts content to any Stack Exchange site, they grant Stack Exchange a Creative Commons Attribute Share-Alike license to use (and display and share) the content. This is irrevocable - ...
18
votes
2answers
898 views

Can I redistribute CC-BY works in DRM-protected app stores?

CC-BY 4.0 (and the related licenses with "BY" in their names, like CC-BY-SA, CC-BY-NC) includes a clause that says I must not place "additional restrictions" on the work: No additional restrictions ...
16
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3answers
209 views

Is CC BY attribution transitive?

CC BY (4.0) is a flexible, permissive license that requires attributing the licensor. What if: Alice creates an artwork and distributes under CC BY, which is adapted by Bob who also distributes under ...
16
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2answers
1k views

Are permissive licenses (MIT/BSD/zlib) compatible with CC-BY?

Permissive licenses like MIT only require that you include the license text if you redistribute. CC licenses that have the BY part require that the original authors are attributed, but in flexible ...
15
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1answer
2k views

Why shouldn't Creative Commons licenses be used for software? [duplicate]

Suppose I was finishing up an open source software. I needed to license it under an open source license. My question: Why would I not want to license my software under a Creative Commons license? ...
15
votes
1answer
628 views

How can I license a YouTube commercial which includes CC BY-SA Licensed music?

Context: I'm making a YouTube commercial, which includes some music that's licensed under CC BY-SA 3.0. Would an audio-visual work constitute a derivative work of the music used in it, and (given the ...
15
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3answers
127 views

Am I responsible for fixing broken links under a Creative Commons Attribution-ShareAlike license?

The Creative Commons Attribution-ShareAlike 4.0 International Public License states If You Share the Licensed Material (including in modified form), You must: A. retain the following if it ...
15
votes
1answer
142 views

Do I have to retain the copyright notice exactly where it’s specified?

CC BY-SA 4.0 says the following about Attribution: 1. If You Share the Licensed Material (including in modified form), You must:    A retain the following if it is supplied by the ...
14
votes
2answers
782 views

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

What I'm doing: I'm adapting a work licensed under CC BY-SA 3.0 Unported license to a different language. I'm indicating the original work and its license. I'm indicating that I have made changes to ...
14
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5answers
680 views

May someone else apply a license to CC0 material?

Alice licensed her work under CC0 1.0. May Bob take Alice’s work and publish it under another Creative Commons license (e.g., CC BY-SA)? If yes, may Bob publish it under his own name (i.e., not ...
14
votes
3answers
323 views

Is the CC BY-ND an Open license?

CC BY-ND (Creative Commons Attribution No Derivatives) is a fairly restrictive license. It does not allow derivative works. The Wikipedia article on Creative Commons licenses says that it is not a ...
14
votes
3answers
2k views

How to attribute Creative Commons images in a quiz game (mobile app)?

I am a mobile developer and trying to work on a mobile application which will be something like the Guess the City app. The app will display four landmarks on one screen and the player will have to ...
14
votes
4answers
307 views

What would be a good licence for computable data models?

What would be a good license for computable data models? Technically they're source code, but they're always constrained and transformed to other artifacts before being used in actual software. At the ...
13
votes
2answers
454 views

Does the CC-BY-SA License require that source code of derivative works be shared?

For example, if I create a LaTeX file and license it with CC BY SA, can someone create a derivative work, but only publish the PDF, without giving out the derived LaTeX source code? Does this fall ...
13
votes
1answer
1k views

Can Wikipedia content be used on my website if I attribute it on my terms and conditions page?

Can Wikipedia written content and images be used on my website, without a direct recognition on the page it is used. Perhaps place any thanks/recognition in the terms and conditions of my page.
13
votes
2answers
165 views

DRM and “Licensed Rights” for works that contain material licensed under CC BY 4.0

CC BY 4.0 says about applying DRM (or other "Effective Technological Measures"): No downstream restrictions. You may not […] apply any Effective Technological Measures to […] the Licensed Material ...
12
votes
2answers
445 views

Can I leave out parts of a CC BY-ND licensed work when distributing it?

I want to redistribute a work licensed under CC BY-ND 3.0. The license summary says about ND (NoDerivatives): If you remix, transform, or build upon the material, you may not distribute the ...
12
votes
2answers
769 views

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

Currently, all user submitted content is licensed under "cc by-sa 3.0 with attribution required". This shows up at the bottom of each page: user contributions licensed under cc by-sa 3.0 with ...
12
votes
1answer
432 views

Using CC-NC material inside a freemium app

I want to include a bunch of images licensed under the CC BY-NC-SA inside my freemium web software. The user can choose one or more of these images to make her own composition. This part of the ...
11
votes
3answers
288 views

Can I apply one license to specific users and another to others?

Suppose I am a developer. I am developing a piece of software. I decide I want to make this code open source. But... I only want developers (or people that will be using the code in other projects) to ...
11
votes
2answers
684 views

How can I license my content in a blogpost?

Let's say I have a blog post, and I want to release it under a Creative Commons license. I later publish this post to my blog. How do I apply a license to my blogpost? Do I need to state how it is ...
11
votes
2answers
208 views

When to use a ported (instead of an international) CC 3.0 license?

If I want to license my work under a Creative Commons 3.0 license, I could use: the international/unported version the version ported for my jurisdiction (For example, in case of CC BY-SA 3.0: CC BY-...
10
votes
1answer
113 views

When does code become my own?

I am developing a piece of software. The software is based on a piece of open source software. My question is how much must be changed / edited before I can call it my own? Also how do you classify ...
9
votes
2answers
586 views

Does it make sense to license my content under a more restrictive license if it's licensed CC-BY-SA?

Let's say that I make a post on a Stack Exchange site. That content is owned by me, but I gave the company a perpetual and irrevocable license under Creative Commons Attribution Share Alike 3.0. As ...
9
votes
2answers
58 views

Using only a part of a collaboratively created work – whom to attribute?

On sites like Stack Overflow and Wikipedia (both use CC BY-SA 3.0), users can collaboratively create/edit a work. If I distribute such a work, I have to attribute all contributing users. But what if ...
8
votes
2answers
115 views

Do I have to exclude quotations in the license notice?

I want to publish a blog post under a Creative Commons license (e.g., CC BY-SA 4.0). This post includes several quotations (to the extent allowed by copyright law) from works which are not licensed ...
8
votes
1answer
127 views

Why is the CC sampling+ license incompatible with other CC licenses?

Creative Commons used to publish a license called "Sampling Plus", but according to this page, it was retired/deprecated in 2011 due to inadequate demand and "Not compatible with any other CC license"....
8
votes
1answer
497 views

How do I document licenses of code snippets on a web page with a CC BY 4.0 license?

I have a non-trivial amount of text, image, audio, and video content that I'm licensing as Creative Commons Attribution 4.0 International (CC BY 4.0). I chose this license because it allows people to ...
8
votes
0answers
101 views

CC-BY-SA - Do I have to distribute intermediary formats of my adaption? [duplicate]

There's a website that I really like which is licensed under CC-BY-SA. I've always thought it would work really well as a physical book too, and so I've decided to try to make it happen. I'm planning ...
7
votes
3answers
1k views

Can I charge expenses for a work under CC BY-NC-SA?

I have a 3d printer that I use to print some models. There is a model I like that is licensed in Creative Commons under the Attribution - Non-Commercial - Share Alike license. I am not sure what "...
7
votes
4answers
2k views

What is derivative work? What is “build upon”?

I have been reading up on Open Source licensing, but there is this one term that I think needs clarification: when is work derivative? If I have an image viewer that accepts a ZIP file and I ...
7
votes
2answers
738 views

Can someone re-license an adaptation of my CC BY-NC materials under commercial terms?

In the comments below this answer, it is stated that while there is no ShareAlike clause (that would be CC BY-NC-SA), you would not be allowed to re-license Adapted Materials under commercial terms. ...
7
votes
1answer
47 views

In a Wikipedia article am I able to insert information licensed with CC BY even though they use a CC BY-SA license?

Background: While writing an article on Wikipedia I needed to include text that is licensed under a CC-BY license. After a bit of digging I found that Wikipedia uses a CC BY-SA license. Question: ...
7
votes
2answers
68 views

Sharing CC BY licensed material without offering a way to be contacted

Section 3(a)(3) of the license CC BY 4.0: If requested by the Licensor, You must remove any of the information required by Section 3(a)(1)(A) to the extent reasonably practicable. While it does ...
7
votes
1answer
90 views

Do I have to mention the CC license twice?

In section 3(a) of the Creative Commons Attribution license (and I think all the others too) it says: If You Share the Licensed Material (including in modified form), You must: A. retain ...
7
votes
1answer
91 views

Creative Commons ShareAlike, weak or strong copyleft?

I am wondering whether Creative Commons ShareAlike is a weak or strong copyleft license. That is, does it allow linking with code with under a different license?
6
votes
2answers
196 views

Is the BY-NC-ND license the most strict CC license for my open source project?

Suppose I am working on an open source project. I am nearly finished, and about to publish it. I would like to release it to the public so that they can learn and make their own version but I DO NOT ...
6
votes
1answer
97 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 ...
6
votes
1answer
73 views

How do search engines read image licence?

It's easy to search for images published under a creative commons licence in search engines, I just have to fine-tune my search options. But how do I get my images with their licence on the web ? Is ...
6
votes
1answer
509 views

Choosing a License for a Tutorial Site

I apologize in advance for what is probably a dumb question, but I'm trying to do this the right way from the beginning. I'm putting together a coding tutorial site, and my main question boils down ...
6
votes
1answer
288 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 ...
6
votes
1answer
195 views

Are there official Markdown versions of the CC licenses?

Official plaintext versions of the Creative Commons licenses are available. Are there similarly official Markdown versions?
6
votes
2answers
554 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 ...
6
votes
1answer
95 views

What is the difference between a ported and non-ported licenses?

What I know: From what I have read ported licenses are for specific locations while non-ported licenses have been customized to work in as many places as possible. Question: Even though I license ...