nopCommerce Home Categories Products plugin allows showing the categories and products on the home page. If you want to show the special categories and products on the home page then you just need the add that categories and products in the manage the plugin section and it will show on the home page.
In manage plugin section you will add the main categories and for each main categories you will manage the color of the category, images for the main category, attach products for the main categories, attach sub categories for the main categories.
It is easy to install and configure the plugin and you are good to go ahead to use it in your nopCommerce Store.
It supports nopCommerce versions 3.9, 4.00 and 4.1.