[[File:GNU GPL.v3.png|rightframe|GNU GPL v3 General Public License, version 3.0 (GPLv3) logo|alt=]]{{For|wikis wiki sites whose <u>wiki content</u> is released under the GNU General Public License|category: Wiki GNU General Public License}}'''Category:GNU General Public License''' — this [[Special:Categories|category]] here on WikiIndex contains [[:Category:Wiki Engineengine|wiki engine]] software and / or other [[:Category:Software|software]] released under one (or more) iterations of the '''[https://www.GNU.org/copyleft/gpl.html GNU General Public License] ''' ('''GNU GPL''', or merely just '''GPL'''). They may be generally classed as either [[:Category:Free software|free software]] and / or [[:Category:Open content|open content]].
:''[[:Category:GPL]] and [[:Category:GNU GPL]] redirect to here.
This [[category ]] may also contain [[WhatIsWiki|wikisites]]s which cover the GNU General Public License as a <u>subject matter</u>. Articles in this category would primarily consist of wikis [[wiki]]s discussing say software such as Sage [[:Category:Math|Mathematical]] software.
The GNU General Public License has been released in three iterations, the current valid iteration as follows:
*[https://www.GNU.org/licenses/gpl-3.0.html GNU General Public License, version 3.0, 2007-06] (GNU GPLv3.0). A plain text version of this iteration can be found [https://www.GNU.org/licenses/gpl-3.0.txt here]
Prior to the above current iteration, the GNU GPL was previously available in the following obsolete iterations:
*[https://www.GNU.org/licenses/old-licenses/gpl-2.0.html GNU General Public License, version 2.0, 1991-06] (GNU GPLv2.0). A plain text version of this iteration can be found [https://www.GNU.org/licenses/old-licenses/gpl-2.0.txt here]*[https://www.GNU.org/licenses/old-licenses/gpl-1.0.html GNU General Public License, version 1.0, 1989-02] (GNU GPLv1.0). A plain text version of this iteration can be found [https://www.GNU.org/licenses/old-licenses/gpl-1.0.txt here]
;''External links