Wikipedia:File copyright tags/Free licenses
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Free content is free as in freedom. This page links to some of the most popular licenses for releasing such content. This page can be reached via http://enwp.org/WP:ICT/FL when forwarding the full URL is not convenient. If an image is available under one of these licenses, it is acceptable to be used in Wikipedia.
 | This is an information page. It is neither an encyclopedia article nor one of Wikipedia's policies or guidelines; rather, its purpose is to explain certain aspects of Wikipedia's norms, customs, technicalities, or practices. It may reflect differing levels of consensus and vetting. |
Apache Software Foundation
- {{Apache license}} – Apache License, version 2.0
Berkeley Software Distribution
- {{BSD}} – BSD licenses
Creative Commons
- {{cc-zero}} – Creative commons zero 1.0 license.
- {{Cc-by-1.0}} – Attribution 1.0 license.
- {{cc-by-2.0}} – Attribution 2.0 license.
- {{cc-by-2.5}} – Attribution 2.5 license.
- {{cc-by-3.0}} – Attribution 3.0 license
- {{cc-by-4.0}} – Attribution 4.0 license.
- {{cc-by-sa-1.0}} – Attribution-Sharealike 1.0 license.
- {{cc-by-sa-2.0}} – Attribution-Sharealike 2.0 license.
- {{cc-by-sa-2.5}} – Attribution-Sharealike 2.5 license.
- {{cc-by-sa-2.5-in}} – Attribution-Sharealike 2.5 India license based on Indian law.
- {{cc-by-sa-3.0}} – Attribution-Sharealike 3.0 license.
- {{cc-by-sa-4.0}} – Attribution-Sharealike 4.0 license. This is suggested as a file licensing tag for image creators.
Generally, a work licensed under a CC tag with more requirements cannot be integrated into a work licensed under a more permissive CC license (such as integrating a CC BY-SA work into a CC BY work), unless the entire target work switches to the less permissive license.
Other Creative Commons licenses exist but are non-free for use in Wikipedia. See Non-free Creative Commons licenses for a full list and explanation.
Free Art license (Licence Art Libre)
- {{FAL}} – Free Art license (info)
GNU's Not Unix!
Note: The licenses in this section require reprinting the entire license text with any reuse of the image. If you created the image yourself, please consider using a different license. If one includes any of the content, the entire book/section goes under GFDL, unlike CC BY-SA.
- {{GFDL}} – GNU Free Documentation License (no invariant sections or cover texts) – from August 2021 these are no longer acceptable for most new uploads, see WP:NOMOREGFDL
- {{GFDL-self}} – GFDL template, remarking that uploader holds copyright.
- {{GFDL-user|user}} – user has released this image under the GFDL.
GNU - {{GFDL-retouched}} – GFDL template, remarking that a previous PD work has been digitally enhanced, and re-released under GFDL.
- {{wikipedia-screenshot}} – Screenshots of Wikipedia web pages.
- {{GPL}} – GNU General Public License. This tag is designed for GPL images licensed by others (usually as part of a software package). Do not use it to tag images you created yourself. Use another free license.
- {{GPL-2}} – GNU General Public License, version 2 only.
- {{GPL-3+}} – GNU General Public License, version 3 or later.
- {{LGPL}} – GNU Lesser General Public License. This tag is designed for LGPL images licensed by others (usually as part of a software package). Do not use it to tag images you created yourself. Use another free license.
MIT (Expat)
- {{Expat license}} – MIT License (also known as the Expat license)
Mozilla
- {{MPL}} – Mozilla Public License.
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