A new widget that shows a calendar based on existing post types.
<ul>
<li>Select any available post type to show</li>
<li>Filter by any custom taxonomy term tied to the selected post type</li>
<li>List a maximum of 10 items below calendar</li>
<li>Set a prefix for every listed item</li>
<li>Filters and hooks</li>
</ul>

WordPress Calendar For Custom Post Types

Because the builtin calendar doesn't have such an option.

Kevin Dees

Add custom post types and taxonomies to your website without code. With the TypeRocket UI plugin, you can register advanced post types and advanced taxonomies without knowing any code. Plus, TypeRocket UI goes beyond what you expect from a typical post type registration plugin by providing advanced features like:
<ol>
<li>Post type placeholder text control.</li>
<li>Post type revision control.</li>
<li>Custom field column control for a post type’s table view.</li>
<li>Remove the slug prefix from your post type.</li>
<li>Gutenberg controls.</li>
<li>And much more.</li>
</ol>
For over 12 years, <a href="https://typerocket.com/" rel="nofollow ugc">TypeRocket</a> has helped thousands of developers and designers craft powerful WordPress websites. With TypeRocket UI, you get many of the powerful features the TypeRocket developers have come to know and trust in a graphical interface.

TypeRocket UI

This plugin provides a powerful user interface for creating post types, taxonomies, and meta boxes.

WordPress Calendar For Custom Post Types vs TypeRocket UI