GNU Free Documentation License: Difference between revisions

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The '''GNU Free Documentation License''' ('''GFDL''', '''GNU FDL''') is a [[wp:copyleft|copyleft]] free content [[:Category:Wiki License|license]] that is frequently used for [[wiki]] websites, and the contents therin.  It was designed by the [http://www.fsf.org/ Free Software Foundation] especially for documentation of [[:Category:Software|software]] and is one of the oldest free-content licenses.  The specialisation on software documentation brings about some problems when used for other sorts of content; see article ''[[GFDL Concerns]]'' for more information.
{{Shortcut|GFDL|GNU FDL}}
The '''GNU Free Documentation License''' ('''GNU FDL''', or more commonly '''GFDL''') is a {{tag|copyleft}} free content [[:Category:License|license]] that was previously frequently used on many [[:Category:All|wiki]] websites for [[:Category:Wiki license|licensing]] their contents therein.  It was created by the [https://www.FSF.org Free Software Foundation] (FSF), being designed especially for [[:Category:Documentation|documentation]] of [[:Category:Software|software]].  The GFDL is one of the oldest {{tag|free content}} licenses.  However, the specialisation on software documentation brings about some problems when the GFDL used for licensing other sorts of content; see article [[GFDL concerns]] for more information.


The most notable user of the GFDL, the [[:Category:Wikipedia|Wikipedia]] projects and its sister projects of the [[:Category:Wikimedia Foundation|Wikimedia Foundation]], moved from licensing their contents under GFDL to a [[wp:Wikipedia:Licensing update|double licensing scheme]] with the comparable [[:Category:Wiki Creative Commons Attribution-Share Alike|Creative Commons Attribution-ShareAlike license]], when the GFDL granted the one-time chance to migrate content to this [[:Category:Wiki Creative Commons|Creative Commons]] license in 2009.
The most notable user of the GFDL: the [[:Category:Wikipedia|Wikipedia]] project, and its sister projects of the [[:Category:Wikimedia Foundation|Wikimedia Foundation]] (WMF), moved from licensing their contents under GFDL to a {{Wp|Wikipedia:Licensing update|double licensing scheme}}, with the comparable [[:Category:Wiki Creative Commons Attribution Share Alike|Creative Commons Attribution-ShareAlike license]] (CC-BY-SA), when the GNU granted the one-time chance to migrate content from the GNU Free Documentation License to this [[:Category:Wiki Creative Commons|Creative Commons]] license in 2009.


Here on [[WikiIndex]], you can find wikis with contents under this license listed in the ''[[:Category:Wiki GNU Free Documentation License]]''.  Images hosted on WikiIndex subject to the GFDL will be tagged with [[Template:GFDL]].  The full text of the license can be found at: [[WikiIndex:Text of the GNU Free Documentation License]].
Here on [[WikiIndex]], you can find [[WhatIsWiki|wikis]] with contents under this license listed in the [[:category: Wiki GNU Free Documentation License]].  Images uploaded here on WikiIndex which are subject to the GFDL will be tagged with [[template:GFDL]].  The full text of the license can be found at: [[WikiIndex:Text of the GNU Free Documentation License]].


==External links==
;''External links
*[http://www.gnu.org/copyleft/fdl.html the original license text on gnu.org]
*[https://www.GNU.org/copyleft/fdl.html GNU FDL original license text] — on www.GNU.org
*[[wp:GNU Free Documentation License|Wikipedia article on the GNU Free Documentation License]]
*[[Everything2:GNU+Free+Documentation+License|GNU Free Documentation License]] — GFDL full text version histories, at Everything2.com
*{{Wp|GNU Free Documentation License|Article on the GNU Free Documentation License}} — on the [[English Wikipedia]]


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[[Category:Wiki GNU Free Documentation License| ]]
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