MediaWiki:Licenses


 * Your own work (best practices):
 * self|cc-zero|CC0 waiver, all rights waived (Public domain)
 * PD-self|Own work, all rights released (Public domain)
 * self|cc-by-sa|Own work, share-alike (i.e. copyleft), attribution required (CC-BY-SA 4.0)
 * self|cc-by|Own work, attribution required (CC-BY 4.0)


 * Not self-made, but has been released under:
 * Creative Commons licenses
 * cc-by-sa-4.0|Attribution ShareAlike 4.0 (International)
 * cc-by-4.0|Attribution 4.0 (International)
 * cc-zero|CC0 waiver (Public domain)
 * cc-by-sa-3.0|Attribution ShareAlike 3.0
 * cc-by-3.0|Attribution 3.0
 * Online Collections
 * subst:template 2|pexels|Pexels: Custom copyright license similar to CC0
 * subst:template 2|pixabay|Pixabay: Custom copyright license similar to CC0
 * subst:template 2|unsplash|Unsplash: Custom copyright license similar to CC0
 * subst:template 2|flickrreview|subst:nld|Flickr: Image from Flickr and I do not know the license
 * subst:template 2|cc-by-sa-2.0|flickrreview|Flickr: Uploaded to Flickr under Creative Commons Attribution ShareAlike (CC-BY-SA)
 * subst:template 2|cc-by-2.0|flickrreview|Flickr: Uploaded to Flickr under Creative Commons Attribution (CC-BY)


 * Public domain:
 * PD|Generic public domain content (not covered by the more specific cases below)
 * PD-old|Author died more than 70 years ago
 * PD-Art|Reproduction of a painting that is in the public domain because of its age
 * PD-US|First published in the United States before 1923
 * PD-USGov|Original work of the US Federal Government
 * PD-USGov-NASA|Original work of NASA
 * PD-USGov-Military-Navy|Original work of the US Military Navy
 * PD-ineligible|Too simple to be copyrighted, not your own work
 * subst:Template 2|Trademarked|PD-textlogo|Logo with only simple text (wordmark)


 * Other alternatives:
 * Copyrighted free use|Copyrighted, but may be used for any purpose, including commercially
 * Attribution|May be used for any purpose, including commercially, if the copyright holder is properly attributed
 * Fair-use|Fair use/Fair dealing of copyrighted material (e.g. a non-free screenshot of proprietary software)