wpsuitepro

WSP Post & Taxonomy Subscriptions Lite is designed to keep your audience engaged by providing a seamless way for users to stay updated.
Whether you have a standard blog or a complex site with Custom Post Types (like Products or Portfolios), this plugin handles it all out of the box.
Key Features: 
* Universal Support: Works with standard Posts, Pages, and all Custom Post Types. 
* Taxonomy Subscriptions: Users can subscribe to Categories, Tags, and all Custom Taxonomies. 
* User Dashboard: A professional subscription management area for users using the <code>[wsp_account]</code> shortcode. 
* Dynamic Shortcode: Use <code>[wsp_sub_button]</code> to place a subscription button anywhere in your templates or content. 
* Customizable Emails: Full control over the subject and content for Welcome, Unsubscribe, and Update notifications. 
* Auto-Placement: Automatically appends the subscription button to your content to save time.
<h3>Privacy Policy</h3>
This plugin stores user IDs, email addresses, and subscription preferences in your local WordPress database to facilitate the sending of notification emails. It does not share this data with any third-party services.

WSP Post & Taxonomy Subscriptions Lite

A fully functional, lightweight subscription solution that allows your users to subscribe to updates for any post type or taxonomy on your site.

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

WSP Post & Taxonomy Subscriptions Lite vs WP Required Taxonomies – Categories and Tags Mandatory