The NiceCategoryList3 Mediawiki Extension displays a category listing, including sub-categories, in a number of useful formats. was derived from https://www.mediawiki.org/wiki/Extension:NiceCategoryList2 that was archived
This version works with Mediawiki 1.37.x and php 7.3.x
All scripts are under GPL License.
https://www.mediawiki.org/wiki/Extension:NiceCategoryList2/2.3
[Wiki Test](http://wiki.jltryoen.fr/Plan_du_Site
This extension allows to present a Category in a nice manner.