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For questions about the Creative Commons "CC0" public domain dedication that allows copyright holders to place works in the public domain to the extent legally possible, worldwide

5
votes
1answer
69 views

Is it possible to release a newer version of a CC0 project under a license such as the zlib/libpng license?

Context: I am the sole contributor to a git versioned project. Let's say I have a project that is licensed under the CC0. Now suddenly I decide that this license doesn't really fit my needs. Am I ...
4
votes
2answers
83 views

Does CC0 require a year/author line the same way other licenses do?

As explained in this answer software licenses that assert some form of copyright should include a year/author or they may not be recognized in the case of a future dispute. Does the same thing apply ...
-1
votes
1answer
108 views

Re-licensing software in the public domain as CC0 [duplicate]

I would like to roll some OSS in the public domain into a larger code base to distribute myself. I have a few concerns however. Code released into the public domain may at the discretion of the ...
5
votes
1answer
59 views

How does CC0 interact with others' work that I cite?

I may have the chance to write software programming tutorials for my community college, and be paid for doing so. If they agree, I would like to release them in a very permissive license, such as CC0 ...
7
votes
3answers
330 views

What is the use of attaching a license like WTFPL?

I've been checking out the different licenses and I came around WTFPL. I understand the basic intention of the license. But how much appropriate is this license to use for any work? It says, You ...
1
vote
2answers
36 views

Creating Public Domain CC0 project that uses plugins/libraries with different licenses

I work for a city and want to start releasing our projects with CC0 Public Domain license. However, if we use other bits of code (dc.js, jquery, plugins for leaflet.js, etc) that are not CC0, is that ...
4
votes
1answer
156 views

How do I turn a public domain project into a MIT project

A while ago I released some code into the public domain, using CC0. I am now thinking, that I would like to extend that work, but have it under the MIT license -- the extensions at least. I don't ...
2
votes
1answer
324 views

Can Public Domain use GPL licensed library/program?

A similar question already asked here (https://softwareengineering.stackexchange.com/questions/159023/can-cc0-code-use-a-gpl-library) but my question is a little bit different, perhaps more accurately....
5
votes
1answer
158 views

What's the status of CC0 under the eyes of German law?

In another question I asked Tim Malone suggested that Creative Commons CC0 Public Domain Dedication might be incompatible with German law. What's the exact status of CC0 under the eyes of German law? ...
1
vote
1answer
100 views

Can Wikidata which runs under CC-Zero incorporate CC BY content?

Wikidata is a database licensed under CC-Zero. If Wikidata would include CC BY content with Wikidata properly labeling the source, would that be okay? Or do third-parties that want to reuse the ...
9
votes
2answers
87 views

What License can I use in my project if I use CC-BY/CC-0 Music?

I did a google search and read through some license information, blog etc. here and there but I'm just not sure whether I can use CC-BY/CC-0 Music in my OpenSource Project no matter what license I use ...
4
votes
1answer
242 views

What are the limitations of CC0 vs Public Domain

What are the shortcomings of CC0 in comparison with Public Domain? for author of work? for users? for those who modify/extend/change license of original work?
6
votes
3answers
2k views

is CC BY license GPL compatible? CC BY vs CC0

CC0 license is GPL compatible. A component with such license can be included in GPL-licensed product. Is this true also for CC BY license? What is the difference between CC0 and CC BY licenses? ...
13
votes
5answers
383 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 ...
22
votes
3answers
742 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 ...