Sub Categories Widget
This Widget lists the ’sub-categories for a given category.
Plugin Tag: sub-category
Woo Subcategory Thumb
Display ’sub categories as a thumb in parent category page
List Sub Categories (LSC)
This plugin enables a widget that lists only ’sub categories for the current category page.
Category Family Tree
Show Category ancestors and ’sub categories on the sidebar
VNEcategory
Show category and ’subcategory and post in these categories