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Open Educational Resources Information: OER Licensing Information

Seven Regularly Used Licenses

Seven regularly used licenses

The seven licenses in most frequent use are shown in the following table. Among them, those accepted by the Wikimedia Foundation – the public domain dedication and two attribution (BY and BY-SA) licenses – allow the sharing and remixing (creating derivative works), including for commercial use, so long as attribution is given.[26][27][28]

Icon Description Shortening Attribution Required Allows Remix culture Allows commercial use Allows Free Cultural Works Meets the OKF 'Open Definition'
CC0 icon Freeing content globally without restrictions CC0 No Yes Yes Yes Yes
CC-BY icon Attribution alone BY Yes Yes Yes Yes Yes
CC-BY-SA icon Attribution + ShareAlike BY-SA Yes Yes Yes Yes Yes
CC-by-NC icon Attribution + Noncommercial BY-NC Yes Yes No No No
CC-BY-NC-SA icon Attribution + Noncommercial + ShareAlike BY-NC-SA Yes Yes No No No
CC-BY-ND icon Attribution + NoDerivatives BY-ND Yes No Yes No No
CC-BY-NC-ND icon Attribution + Noncommercial + NoDerivatives BY-NC-ND Yes No No No No

Creative Commons Rights

Icon Right Description
Attribution Attribution (BY) Licensees may copy, distribute, display and perform the work and make derivative works and remixes based on it only if they give the author or licensor the credits (attribution) in the manner specified by these. Since version 2.0, all Creative Commons licenses require attribution to the creator and include the BY element.
Share-alike Share-alike (SA) Licensees may distribute derivative works only under a license identical to ("not more restrictive than") the license that governs the original work. (See also copyleft.) Without share-alike, derivative works might be sublicensed with compatible but more restrictive license clauses, e.g. CC BY to CC BY-NC.)
Non-commercial Non-commercial (NC) Licensees may copy, distribute, display, and perform the work and make derivative works and remixes based on it only for non-commercial purposes.
Non-derivative No Derivative Works (ND) Licensees may copy, distribute, display and perform only verbatim copies of the work, not derivative works and remixes based on it. Since version 4.0, derivative works are allowed but must not be shared.

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