erwanpia

<ul>
<li>Browse big woocommerce databases of products and categories,</li>
<li>drag and drop rearrange categories,</li>
<li>search by SKU / TITLE</li>
<li>custom product sort order : order product by title, by price, by sku, by total sales</li>
</ul>
The idea of this plugin comes from the best opensource ecommerce platform after woocommerce : Magento really beats them all in terms of ease of administration, and the most interesting feature is the category tree hierarchy with products display : this plugin brings this magical feature to wordpress , displaying a tree of categories with product thumbnail display.
Please note
<ul>
<li>Support development : full woocommerce is donationware, please use the donate button on you right hand site to help further developments and new feature implementation</li>
<li>this is a pre release version for developers only – Only displays 100 first element of selection</li>
<li>future versions will include many woocommerce enhancements </li>
</ul>
Dependencies 
https://github.com/mar10/fancytree 
https://github.com/mar10/fancytree/wiki/ExtDnd 
http://wwwendt.de/tech/fancytree/demo/#sample-ext-dnd.html 
http://sophilabs.github.io/jquery-counter/

Full Woo Commerce Admin

Enhanced Woocommerce administration plugin with category hierarchy display / product list

aoulmderat

If you need to add more css and customization options to the Default WordPress Category Widget this plugin is for you. 
Using this plugin you can display your sidebar categories in a tree-view in just one click.
<h4>Features</h4>
<ul>
<li>The selection state is preserved (the parent category remain open)</li>
<li>Fully customized and easy to use</li>
<li>Display as dropdown or tree-view</li>
<li>Dynamically create your website tree for all posts & categories</li>
<li>Ability to hide/show count</li>
<li>Ability to hide/show child</li>
<li>When a child is selected The parent category is also selected</li>
</ul>

Display Categories Tree

for performance the css is loaded only when needed

Minimum style and js

This plugin is a widget to customize and add more css options to the Default Wordpress Category Widget. This plugin requires fontawesome in your theme …

Full Woo Commerce Admin vs Display Categories Tree