Is there any one page category-subcategories plugin

My client wants to have all categories and subcategories and products on one page. When click on a parent category, the subcategories will be loaded by ajax and dropdown, again when click a subcategory, products will dropdown.

I have searched around wootheme sites, they have one page plugin, but not dropdowns. Does anyone know any plugins does this?

Here is the sample site: https://www.mymusclechef.com/builder

Many thanks.