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{{shortcut|GFDL|GNU FDL}}
{{Shortcut|GFDL|GNU FDL}}
The '''GNU Free Documentation License''' ('''GFDL''', '''GNU FDL''') is a {{tag|copyleft}} free content [[:Category:License|license]] that is frequently used on many [[:Category:All|wiki]] websites for [[:Category:Wiki License|licensing]] their contents therin.  It was designed by the [https://www.FSF.org Free Software Foundation] especially for documentation of [[:Category:Software|software]], and is one of the oldest [[:Category:Free content|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.
The '''GNU Free Documentation License''' ('''GNU FDL''', or more commonly '''GFDL''') is a {{tag|copyleft}} free content [[:Category:License|license]] that is 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 [[:Category:Free content|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]] 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]], 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 {{W|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 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]].
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
*[https://www.GNU.org/copyleft/fdl.html GNU FDL original license text] — on GNU.org
*[https://www.GNU.org/copyleft/fdl.html GNU FDL original license text] — on www.GNU.org
*[https://Everything2.com/title/GNU+Free+Documentation+License GNU Free Documentation License at Everything2] — GFDL full text version histories
*[[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]]
*{{W|GNU Free Documentation License|Article on the GNU Free Documentation License}} — on the [[English Wikipedia]]


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

Revision as of 03:03, 30 August 2021

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GFDL
GNU FDL

The GNU Free Documentation License (GNU FDL, or more commonly GFDL) is a copyleft free content license that is frequently used on many wiki websites for licensing their contents therein. It was created by the Free Software Foundation (FSF), being designed especially for documentation of software. The GFDL is one of the oldest 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 Wikipedia project, and its sister projects of the Wikimedia Foundation (WMF), moved from licensing their contents under GFDL to a Template:W, with the comparable 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 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 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
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