ZF WordPress Category Search is a WordPress advanced search box, the ability display categories as tabs/radio/dropdown with advanced fields, support WooCommerce, Easy Digital Downloads, custom post type, taxonomies.

You can search by search categories, tags, taxonomies, authors, date range, sort, order by …

Otherwise, you can also search multiple taxonomies of custom post type. These easily to really refine your searches.

You can buy with price better here : https://zufusion.com/downloads/zf-wordpress-category-search/

Key Features:

Tab slider category
Add icon popover for tab icon
Tab alignment
Radio category search
Dropdown category search
Auto suggest like google
Support WooCommerce category search, WordPress category search
Support Easy Digital Downloads, custom post type
Drap vs drop taxonomies to display
Search multiple taxonomies, author, price range, date range, order
Translation ready
Widget vs Shortcode ready
Easy to setup and customize
Support dark vs light skin
Cross-browser support

Change Log:

08.05.2021 - Version 2.7
* Added translatable and properly escaped
* Added .pot template file
* Removed en_US.mo and en_US.po
* Removed assets from CDN
* Data Validation
* Added "use strict" to js

02.10.2019 - Version 2.6
* Work with WordPress 5.2

25.05.2015 - Version 2.5
* Fixed can't open advanced box when category box is empty
* Fixed doesn't respond to the tags, categories of post in advanced box 
* Change default value of min count selected to 0 instead of 3 (only dropdown mode)

25.03.2015 - Version 2.4
* Added match type taxonomy values (categories) on setting page
* Allows show open advanced button inside or outside input query
* Show advanced button with icon or text or both
* Fixed dropdown mode doesn't show categories
* Fixed conflict with user pro plugin
* Fixed long category name for dropdown mode

23.03.2015 - Version 2.3 . this version you need to save setting page again
* Support search form template
* Added taxonomy checkbox field
* Put Advanced box inside the  popup
* Unlimited Level Sub Categories

02.02.2015 - Version 2.2 
* Fixed menu disappear after using search
* Fixed insert icon for Easy Digital Downloads

28.01.2015 - Version 2.1 
* Support Easy Digital Downloads
* Fixed radio css

04.11.2014 - Version 2.0 
* Added auto suggest like google.
* Support custom post type, multiple taxonomies
* Drap vs drop taxonomies
* Moved all options to setting page.
* Added some hooks function for the developer.