Questions tagged [licensing]

Questions about the licensing of content on Stack Exchange sites.

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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 ...
Stefan Steinegger's user avatar
-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) ...
Tim Post's user avatar
  • 181k
-342 votes
60 answers

A New Code License: The MIT, this time with Attribution Required

Update: January 15, 2016 Thank you for your patience and feedback. The changes proposed here have been delayed indefinitely - we'll be back later to open some more discussions. Important context for ...
samthebrand's user avatar
  • 5,210
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 ...
samthebrand's user avatar
  • 5,210
41 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 ...
Tamer Shlash's user avatar
  • 1,209
229 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 ...
Yaakov Ellis's user avatar
  • 61.7k
67 votes
5 answers

What is up with the source code license on Stack Overflow? [duplicate]

I know this has been asked several times. I've read the responses. I'm still very confused. What are the legal requirements for using samples from SO in other projects? If there are requirements, ...'s user avatar
111 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 ...
cocomac's user avatar
  • 11.6k
446 votes
21 answers

An Update On Creative Commons Licensing

We’d like to provide you with an update to our transition to version 4.0 of the CC BY-SA license. We realize that this is something that you care deeply about, and that our response to your concerns ...
Tim Post's user avatar
  • 181k
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 ...
jmanning2k's user avatar
314 votes
5 answers

Was the retroactive change to CC BY-SA 4.0 approved by Stack Exchange's lawyers?

Update: I have started a GoFundMe in an attempt to have a court or arbitrator settle this. It has raised a decent amount, but more will be necessary to retain counsel. On 2019-09-05, Stack Exchange ...
jhpratt's user avatar
  • 4,588
40 votes
2 answers

Stack Exchange should stop using the Creative Commons logo [duplicate]

If I understand correctly, SE reproduces its user-produced content using a CC-BY-SA license with additional restrictions: namely, from point 3 of the TOS, In the event that You post or otherwise use ...
Federico Poloni's user avatar
259 votes
2 answers

Will concerns regarding the move to CC BY-SA 4.0 elicit any further dialogue from Stack Exchange, Inc.?

Fifteen days ago, it was suddenly announced that the user-contributed content on Stack Exchange had been relicensed as CC BY SA 4.0. The change took immediate and retroactive effect and is still in ...
Lightness Races in Orbit's user avatar
35 votes
8 answers

I'm worried about Stack Overflow content licensing [duplicate]

Strongly related: Do I have to worry about copyright issues for code posted on Stack Overflow? It appears that all the submitted content on Stack Overflow is licensed under the Creative Commons (CC) ...
Evert's user avatar
  • 477
2 votes
1 answer

Scrapers enter the scene - was the choice of license right?

Looks like scrapers can rank higher than the original SE universe site in Google search so that there's this very uncomfortable "first tag in the page title" change to combat them. Also looks like ...
sharptooth's user avatar
  • 5,544
35 votes
3 answers

Are the SE additions to the Creative Commons attribution requirements enforceable? [duplicate]

In the footer of Stack Exchange sites, it is stated that user contributions are licensed under CC-BY-SA 3.0 with a contradictory and incompatible attribution requirement addendum. The “attribution ...
Kris's user avatar
  • 475
20 votes
0 answers

What licence is subscriber content provided under 4.0, 3.0 or them all?

In the footer it says: site design / logo © 2018 Stack Exchange Inc; user contributions licensed under cc by-sa 3.0 with attribution required. rev 2018.8.7.31273 However, in the footer under ...
Peilonrayz's user avatar
  • 3,627
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 ...
mattdm's user avatar
  • 4,487
76 votes
6 answers

What is "code" for the purposes of the proposed MIT license switchover? [closed]

A follow up from my comment about the new license announcement and samthebrand's response (also from the new license change attempt): The proposed new licensing terms differentiate between code and ...
David says Reinstate Monica's user avatar
10 votes
3 answers

Is there a list of non-moderators who have stated they suspended activities due to recent events? [closed]

There are lists of moderators that have resigned or suspended activity due to the series of events1 instigated by Stack Exchange starting September 5, 2019, but I've only seen speculation on the ...
Stop Harming the Community's user avatar
41 votes
4 answers

Please negotiate and make obvious user-favorable license terms for uploaded images

Uploading photos to Imgur appears to assign them rights to do whatever they wish with them. It would appear that, taken on face value, uploading an image to Imgur gives them total non-exclusive rights ...
Russell McMahon's user avatar
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 ...
Mad Scientist's user avatar
23 votes
1 answer

CommonMark migration is causing license changes when it should not

CommonMark migration has begun! Sites across the network have been scheduled for formatting migration, and some of them (Meta Stack Exchange included) have already finished their migration. It was ...
Spevacus's user avatar
  • 26.6k
19 votes
2 answers

Using code posted on StackOverflow

I was wondering what kind of restrictions there are, if any, for code posted on StackOverflow? In other words, I'm hoping StackOverflow has a clause that makes any posted code completely free of ...
Jodes's user avatar
  • 521
18 votes
4 answers

Data dump should include deleted posts

Given that deleted content is licensed CC just as the regular content is, it exists in the current SO database, and it is accessible to over 400 (10k+ rep) users, it should also be exported as part of ...
Pollyanna's user avatar
  • 76.2k
18 votes
3 answers

Why don’t we call our licence by name?

Why does Stack Exchange use this weird “cc-wiki” euphemism instead of calling the CC-BY-SA by its real name? This is a bug report disguised as a question. As in: please fix the footer.
kinokijuf's user avatar
  • 818
18 votes
6 answers

How should a SO answer be credited when used in an open-source project?

I've looked through a few of the questions about the licensing of posts on SO, but haven't found any really satisfactory answers. Can an answer be used in an open source project (with an MIT license)? ...
VirtuosiMedia's user avatar
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 ...
Franck Dernoncourt's user avatar
13 votes
4 answers

Is copy-pasting code from Stack Overflow an infringement to CC BY-SA 3.0 or is it considered fair use?

Actually CC BY-SA 3.0 is a license which looks pretty good for most Stack Exchange Network sites, but on Stack Overflow which is used mainly for coding questions, is pretty much rigid since a lot of ...
Hacktivista's user avatar
6 votes
3 answers

Ownership of content in Community Wiki posts

The CC-Wiki license makes use of the term "the author." When Bob makes a post, it's obvious Bob "owns" the content, but what happens when he checks the Community Wiki button? Does it become the ...
dbr's user avatar
  • 23k
3 votes
0 answers

Is reposting one's own content from a Stack Exchange site after the fact, without attributing its source, allowed? [duplicate]

Possible Duplicate: Who owns the copyright to S[OFU] content? According to the second paragraph of section 3 of the Stack Exchange terms of service (the paragraph starting with "In the event that ...
Peter O.'s user avatar
  • 3,467
73 votes
4 answers

Code licensing proposal — Point of order!

There have been two rounds of discussion about code licensing: The MIT License – Clarity on Using Code on Stack Overflow and Stack Exchange A New Code License: The MIT, this time with Attribution ...
200_success's user avatar
  • 12.4k
53 votes
3 answers

EU copyright laws (2018-2019). Any risk for Stack Exchange?

The European Parliament JURI committee will be voting on 20th June 2018 on reforms of the EU copyright laws (full law proposal). According to a Creative Commons article titled 'Act now to stop the EU’...
user's user avatar
  • 2,983
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 ...
Franck Dernoncourt's user avatar
32 votes
12 answers

A New Code License: the Community Edition

Okay, so that proposal didn't go very well... Clearly, the community thinks Stack Overflow, Inc messed up with their license proposal. Now it is time to you to prove we, as a community, can do better....
Patrick Hofman's user avatar
28 votes
1 answer

Why separate code and non-code licensing?

The rationale for the license change proposals is at least somewhat clear: i.e. to reduce legal concerns of using code from answers in software that may use incompatible licenses. However, what seems ...
otus's user avatar
  • 587
19 votes
5 answers

What license should be on sample code?

I noticed today that stackoverflow's cc-wiki (aka creative commons attribution/share alike license) does not allow the answers to questions to be used in commercial products. Very specificially, and ...
davenpcj's user avatar
  • 331
18 votes
1 answer

Do I have to give attribution to SO when using my own content elsewhere?

Content on SE sites is licensed under CC-BY-SA. If I write a question/answer on your sites, do I still have copyright of the text I entered or does SE now hold all copyright to it? Can I put an ...
Tom's user avatar
  • 4,005
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 ...
Nicolas Raoul's user avatar
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 ...
CharonX's user avatar
  • 1,041
11 votes
2 answers

May I edit a question with a JSFiddle link to incorporate the code?

Consider a JSFiddle with no explicit license like this one: In JSFiddle's Credits and Legal we can read: License All code posted to the site belongs to the poster ...
Anonymous Coward's user avatar
6 votes
2 answers

Can licensing questions EVER be on-topic? [closed]

The licensing Tag I ran across a specific question today that prompted me to ask why we have a licensing tag at all when its tag wiki currently says: Excerpt: Don't use this tag to ask for legal ...
CodeGnome's user avatar
  • 6,001
5 votes
2 answers

Publishing a book - "Best programming Q&A" from SO contents?

Is it possible to publish a book made entirely out of SO questions and answers? The idea is to publish the book freely online, and to sell kindle and printed copies on Proper attribution ...
Adam Matan's user avatar
  • 2,555
4 votes
2 answers

Can Stack Exchange be customized to specific projects? [duplicate]

We are a NGO looking for something 99% similar to Stack Overflow for analyzing and suggesting improvements in legislation. I have tried searching for terms and conditions for getting Stack Overflow ...
Gnudiff's user avatar
  • 140
3 votes
1 answer

What should you do if other sites shamelessly copy content and the cc-wiki license is not adhered to? [duplicate]

Copying content is one thing, but copying content without referring to or quoting the original is just plain rude and violates the cc-wiki license and the clearly laid out attribution rules of this ...
Abel's user avatar
  • 2,635
-1 votes
2 answers

Will we be able to use code from Wikipedia after the Licensing change?

Will we be able to use code snippets from Wikipedia after this proposal is implemented? Of course, we don't use code snippets from Wikipedia that often. I was just wondering.
PyRulez's user avatar
  • 1,524
-14 votes
2 answers

Is a refusal to disassociate deleted posts in compliance with the CC BY-SA license? [closed]

I asked Stack Exchange staff to remove attribution on some of my deleted answers. They suggested I delete my account to remove attribution. I have asked them if they will restore attribution on other ...
user avatar
43 votes
8 answers

Is the re-licensing situation perceived as much less important than Monica's defamation lawsuit? [closed]

When one compares the two (currently) relevant GoFundMe pages Defend Monica from Defamation by Stack Overflow and Lawsuit against Stack Exchange relicensing it is obvious that the first one attracts ...
GhostCat's user avatar
  • 38k
40 votes
4 answers

CC-by-SA vs MIT - The 2016 battle

Stack Exchange is announcing the change from CC-BY-SA 3.0 to MIT License and the chaos has emerged. After a few hours of research, I've concluded that I've been breaking the law (license) since the ...
Marco Aurélio Deleu's user avatar
40 votes
6 answers

In which context would the difference in licensing rules between CC SA 3.0 and CC SA 4.0 actually matter?

Currently there's a big controversy over SE changing the licensing from CC 3.0 to CC 4.0. Regardless of whether this change was legally solid or not, could someone provide a specific example of how ...
JonathanReez's user avatar
  • 2,792