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Copyright: Why license my work under a Creative Commons license?

Creative Commons is a nonprofit organization that provides Creative Commons licenses that give every person and organization in the world a free, simple, and standardized way to grant copyright permissions for creative and academic works; ensure proper attribution; and allow others to copy, distribute, and make use of those works

A Creative Commons license helps you retain copyright while allowing others to copy, distribute, and make some uses of your work.

A Creative Commons license makes it easy for others to discover and use your work. A Creative Commons license includes a "machine readable" version of the license that search engines can understand.

Creative Commons' licenses, code, and tools are offered free of charge, without obligation. You do not need to register with Creative Commons to apply a CC license to your material; it is legally valid as soon as you apply it to any material you have the legal right to license.

Creative Commons does not require or provide any means for creators or other rights holders to register use of a Creative Commons license, nor does Creative Commons maintain a database of works distributed under Creative Commons licenses.

To learn more see Creative Commons' Frequently Asked Questions.

The Licenses in Order of Most Accommodating to Most Restrictive
License May copy and redistribute in any medium or format May remix, transform, or build upon May distribute modified material May use commercially Must give appropriate credit Must license modified material under identical terms
Attribution CC BY button
Attribution CC BY
Attribution-ShareAlike CC BY-SA button
Attribution-ShareAlike CC BY-SA
Attribution-NoDerivs CC BY-ND button
Attribution-NoDerivs CC BY-ND
Derivative works prohibited
Attribution-NonCommercial CC BY-NC button
Attribution-NonCommercial CC BY-NC
Attribution-NonCommercial-ShareAlike CC BY-NC-SA button
Attribution-NonCommercial-ShareAlike CC BY-NC-SA
Attribution-NonCommercial-NoDerivs CC BY-NC-ND button
Attribution-NonCommercial-NoDerivs CC BY-NC-ND
Derivative works prohibited