Yuriy Stepanov

The plugin adds 3 shortcodes: 
[wk_terms /] for displaying categories, tags, any other taxonomies, works through the WP_Term_Query class. 
[wk_posts /] for displaying posts, pages and any other post types, WK_posts receives data through the WP_Query class 
[wk_pages /] output of hierarchical structures of pages, posts and other types of posts, the data is obtained using the get_pages() function
Shortcodes pass all call parameters to the corresponding functions and receive the initial data set from them. 
Explore the basic parameters of calling source functions by following the links.
<a href="http://bugacms.com/wpEn/whale-kit" rel="nofollow ugc">Whale Kit</a> 
<a href="http://bugacms.com/wpEn/whale-kit-examples/" rel="nofollow ugc">Whale Kit – examples</a> 
<a href="http://bugacms.com/wpRu/whale-kit" rel="nofollow ugc">Whale Kit – по русски</a>

Whale-Kit

Three alternative to standard widget Categories, Recent Posts and Pages.

Freemius

vegacorp

Jose Vega

This plugin works with Gutenberg (new editor). It works with the classic editor and the gutenberg editor.
Require users to select a taxonomy term when publishing posts. For example, require the selection of a category or tag.
<h4>It works with</h4>
<ul>
<li>All taxonomies , including post categories , post tags , product categories, product tags, and custom taxonomies.</li>
<li>All post types , including posts, pages, WooCommerce Products, Events, etc.</li>
</ul>
<h4>Use cases</h4>
<ul>
<li>Force users to select a category when publishing posts</li>
<li>Force users to select a tag when publishing posts</li>
<li>Force users to select a custom taxonomy term when publishing posts</li>
<li>Force users to select a category when publishing WooCommerce Products</li>
<li>Force users to select a tag when publishing WooCommerce Products</li>
<li>Force users to select a category or tag when publishing Events</li>
<li>Force users to select any Taxonomy Term when publishing any custom post type</li>
</ul>
This plugin is completely free.

WP Required Taxonomies – Categories and Tags Mandatory

Great for making categories required , so users can´t publish without selecting a category.

Great

Force users to select a taxonomy term when publishing posts. For example, make category or tags required

Whale-Kit vs WP Required Taxonomies – Categories and Tags Mandatory