Questions tagged [licensing]

Questions about the licensing of content on Stack Exchange sites.

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12 votes
1 answer

I want to use content from a Stack Overflow / Stack Exchange question and answer. How do I comply with the Attribution requirements?

One of the requirements of the CC BY-SA license used for content on the Network is Attribution. What does proper attribution look like for questions and answers found on the Network?
40 votes
1 answer

YouTube Channels Stealing SE Network Content

Although this has been reported before (1, 2), and the current canonical guidance for how to approach sites or scrapers copying SE content is also available, I wanted to share information that I have ...
11 votes
3 answers

How should I inform a user I'm using their answer in a book?

I used my popular question Do Projects Ever End Early? as the basis of a book I wrote. (Available for free, for a limited time, here.) What is the appropriate protocol to inform the 14 users whose ...
13 votes
1 answer

When did Stack Exchange start to dual-license user content?

Stack Exchange currently dual-licenses user content, which allows them to sell user content without attributing users. When did the dual-licensing start? The Wayback Machine's first save of the ToS ...
542 votes
58 answers

The MIT License – Clarity on Using Code on Stack Overflow and Stack Exchange

Update (Dec. 22, 2015): Thanks, everyone, for your feedback to this proposal. We're going to digest this one over the holidays and should have a follow-up announcement answering your questions and ...
23 votes
1 answer

The create-chatroom page incorrectly specifies the conversations as licensed under "cc-wiki" (CC BY-SA 2.5)

The create a new chat-room page likely doesn't get a lot of traffic, which probably makes issues with it have a relatively low impact, but this one should be fixed: The text reads: All ...
17 votes
1 answer

Can I make a YouTube video adapting Stack Overflow content?

There are many interesting questions on Stack Overflow, that have many good answers and many good comments. I want to make an animated YouTube video about a question and some answers to help visual ...
20 votes
2 answers

Are Stack Exchange blog articles also under Creative Common license?

Recently I stumbled on the site of an IT company that replicated the entire article "Do large language models know what they are talking about?" with attribution. For basic content on the ...
14 votes
2 answers

Is SE in violation of the CC BY-SA 4.0 license by not providing data dumps?

SE is no longer providing data dumps for the content contributed by their users. CC BY-SA 4.0 states: No additional restrictions — You may not apply legal terms or technological measures that legally ...
27 votes
2 answers

What license do the help center articles that are editable by moderators fall under?

I was looking at the text of the CC BY-SA 4.0 license, which is the license used by posts on the SE network. Specifically, I noted the phrase that... You must give appropriate credit, provide a link ...
0 votes
3 answers

Does linked content count as "Subscriber Content" under the TOS?

The SE TOS defines "Subscriber Content" as: any and all content, including without limitation any and all text, graphics, logos, tools, photographs, images, illustrations, software or ...
4 votes
1 answer

Posting content under licenses besides CC BY-SA 4.0

If I post content (authored by me) on an SE site, and I have released it under some license X, how does this work with the SE TOS (even though it links to SO I assume it's applicable to all sites ...
43 votes
2 answers

How can SE gate access to the Dump that will allow individuals access to the data while preventing "misuse" by for-profit organizations?

I read this answer written by Jody Bailey: We are looking for ways to gate access to the Dump, APIs, and SEDE, that will allow individuals access to the data while preventing misuse by organizations ...
40 votes
0 answers

Stopping data dumps to "protect data" - harmful and threatening to the community

I find it a bit odd that "senior leadership is working on a strategy to protect Stack Overflow data from being misused by companies building LLMs", but historically has only cared about ...
19 votes
0 answers

Will SE tell us if they sell our content?

So, the CEO of Stack Exchange has been quoted in a news article saying that they plan to sell the content of the SE network to large companies training neural networks like the one used for ChatGPT. ...
113 votes
7 answers

Is SE [going to be] selling our content for AI model training? And what exactly does "reinvest back into our communities" mean?

Wired published an article titled Stack Overflow Will Charge AI Giants for Training Data. I read through it, and a few sections seemed noteworthy to me "Community platforms that fuel LLMs ...
12 votes
1 answer

Is SE legally allowed to sell user content for AI model training despite the fact that some of this content is not allowed to be used to train AIs?

SE Inc. wants to sell our content to some companies for AI training. However, some of our content is not allowed to be used to train AIs. E.g., since ChatGPT hasn't been banned on all SE sites, some ...
29 votes
2 answers

Can SE just resell our data, relicense it and remove the attribution requirement?

SE has decided to charge for the network content when used for training AI according to an article. This has not been officially announced here, so we do not know the details. But the main question to ...
0 votes
1 answer

If a company makes a commercial use of an AI model trained on SE data and attribute all authors, will SE Inc. not charge them?

I read Is SE [going to be] selling our content for AI model training? And what exactly does "reinvest back into our communities" mean?. SE Inc. indicates that the will charge some firms if ...
-12 votes
2 answers

Don't I have the right to edit or delete my own content?

If someone answers my question, I can't delete it anymore even if I have 10 downvotes. After condition so and so, I'm unable to edit the comment. I can't delete more than 5 answers a day. I can't ...
38 votes
6 answers

Dealing with posts plagiarising from copyrighted sources

What means do users have to report plagiarism or posting of copyrighted work? A button to flag content as plagiarism would be useful. It's not quite "offensive," and should probably have a different ...
15 votes
1 answer

As a workaround to Imgur being blocked, is there a image hosting site which allows URL uploads and does not violate CC BY-SA 4.0 copyright?

Imgur is blocked in China (and probably in some other countries as well as many workplaces and educational institutions). This is annoying for Chinese users and Chinese.SE in particular. Workaround: ...
2 votes
0 answers

YouTube channel scraping Q&A from Stack Exchange [duplicate]

There is this horrible YouTube channel scraping Q&A from Stack Exchange without attribution to the author of either question or answers, and no links to the original post. Stack Exchange licenses ...
8 votes
1 answer

License link on SEDE archive page points to wrong BY-SA version

On the Stack Exchange Data Explorer Help page, there is a link to the Internet Archive page. On the Stack Exchange Archive page, there is a section for licensing, with the following description: All ...
2 votes
0 answers

Does Stack Exchange take any measures against sites violating our license? [duplicate]

I updated an answer of mine with an improved solution: Does PostgreSQL support "accent insensitive" collations? I hit Google to find related answers that might be outdated now, just to ...
9 votes
0 answers

Post disassociation requests should also apply to the author's messages in chat rooms generated from comments on the post

A while ago I made a question, and later decided to be disassociated from that question. However doing so does not completely disassociate your account from this question. If a comment thread gets ...
-25 votes
4 answers

Does the license given to Stack Exchange forbid the "additional terms", terminate the license, making it useless? [closed]

The term of service of Stack Overflow add "additional terms" to creative commons license. In question Are the SE additions to the Creative Commons attribution requirements enforceable? the ...
-452 votes
24 answers

Stack Exchange and Stack Overflow have moved to CC BY-SA 4.0

Effective today, all Subscriber Content on Stack Overflow and the Stack Exchange network will be available under the terms of version 4.0 of the Creative Commons Attribution-ShareAlike (CC BY-SA) ...
10 votes
0 answers

Show license info for tag excerpts and wikis explicitly

All user contributions on Stack Exchange are licensed (currently under CC-BY-SA 4.0). Back in 2020, Creative Commons Licensing UI and Data Updates made a change in showing the license explicitly for Q&...
22 votes
0 answers

To who are translations licensed in Stack Exchange international sites that are submitted by community users?

International sites translate much of their content (other than questions and answers) with the help of community users. How are these contributions licensed? There are more than 10,000 strings, not a ...
5 votes
0 answers

Make license terms more prominent

A lot of people are unaware of license terms that apply to code pieces posted on Stack Overflow or the internet in general. This is from my own experience but is also stated in a paper here. And some ...
17 votes
0 answers

When adding image from Wikimedia Commons, automatically add author/license/link

Many Stack Exchange questions and answers embed images from Wikimedia Commons. It is probably the most used image source here. The good news Thanks to their license, all images from Wikimedia Commons ...
2 votes
0 answers

How to give attribution when using the same code on multiple webpages [closed]

I am very new to the Stack Overflow community. I noticed that there are several excellent answers here that can help me to build a website. I am a little bit aware of the License CC BY-SA 4.0 applied ...
3 votes
0 answers

Do I have to worry about patent issues for code posted on Stack Overflow?

I purposely named this question similar to Do I have to worry about copyright issues for code posted on Stack Overflow?. Since Fedora is banning CC-0 licensed source code citing issue of explicitly ...
-2 votes
1 answer

License and our ezine [duplicate]

We have a GFDL ezine about the FOSS world. After consultation, we decided to add a section about an article that describes Q/A from unix.stackexchange or and so on for each number. ...
9 votes
1 answer

Who has ownership of a Question/Answer after the account that posted it is deleted? [duplicate]

There has been some questions surrounding post ownership after a user voluntarily deleted their account and now they have a new account on the site. In a recent meta they referenced it as their post ...
12 votes
1 answer

Form to request erasure under GDPR doesn't indicate that attribution will be removed from all posts, a possible license violation

It's long been the case that when a user requests their account be deleted, all of their contributions are dissociated from their name. This would ordinarily be considered a violation of the CC BY-SA ...
230 votes
10 answers

Is it legal to copy Stack Overflow questions and answers?

I just found which has an exact copy of this Stack Overflow question, What's the Hi/Lo Algorithm, with all its answers and no ...
10 votes
1 answer

Should Stack Exchange switch to CC BY-SA 3.0? [duplicate]

Currently, Stack Exchange sites use the CC BY-SA 2.5 license. There's a lot of content (not the least of which is Wikipedia) under the newer 3.0 version of this license. Content licensed under 2.5 ...
7 votes
0 answers

Why does the license link take me to Stack Overflow's license page? [duplicate]

The license information in the lower right corner of every page links to instead of to the site's (existing) corresponding page (for example, on the Cross ...
-7 votes
1 answer

Why does my comment show 41 "license: CC by SA 4.0"? Are all comments protected under copyright?

Why does my comment show this? 41 license: CC by SA 4.0 Are all comments protected under "creative commons" copyright? What does 41 mean? Why not 1 license - why 41?
228 votes
23 answers

Creative Commons Licensing UI and Data Updates

When we last updated you to clarify concerns and answer questions about our transition to version 4.0 of the CC BY-SA license we committed to posting updates to the UI and addressing unanswered ...
6 votes
1 answer

How can I correctly specify the license for my code snippets? [duplicate]

Per default, code snippets posted on Stack Overflow are licensed under CC BY-SA-*; see This includes a share-alike obligation and attribution obligation, both ...
42 votes
2 answers

Where can I ask about Software Licenses/Licensing?

Is it appropriate to ask questions about software licenses/licensing on StackOverflow? Or is the appropriate place Programmers Stack Exchange? Or is there no appropriate site currently and we should ...
4 votes
2 answers

Is it against the rules to link from my own, monetized site to a question or answer on SE?

I want to document my progress on various projects and, as part of that documentation, I want to publish the questions I ask on the various SE sites. The website will be monetized. The questions I ask ...
3 votes
1 answer

Regarding ownership of computer program source-code shared in an answer on a Stack Exchange site

I have active accounts on various Stack Exchange sites falling under Technology domain. Due to the nature of the domain, often the posted answers in part or whole, requires me to to write some form of ...
-25 votes
1 answer

Tags assigned to a question should be CC BY-SA licensed

Glorfindel♦ wrote: The CC BY-SA license only covers content. Tags are (apparently) considered metadata. Feature request: Tags assigned to a question should be CC BY-SA licensed. Answers to comments:...
9 votes
1 answer

Why aren't tag edits and comments licensed as CC BY-SA 4.0 in post timelines?

E.g.: Why aren't tag edits and comments licensed as CC BY-SA 4.0 in post timelines?
51 votes
2 answers

Can one take the entire Q&A base and move it to a new site?

In the light of all recent moderators and experienced users quitting, I was wondering if anyone is allowed to take the entire Q&A set of a site, and move it to a new site, with new rules? I think ...
5 votes
1 answer

Can I reuse and republish code snippets from Stack Exchange sites under a new license?

I want to start a project, Scheme Cookbook, with a better license because an old cookbook, that is no longer available online, was licensed under LGPL, which requires the inclusion of the license with ...

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