Javier Villanueva

Post Category Filter allows you to filter through your post categories and custom taxonomies by adding a search box on top of the term lists. The lists will update live as you type with only the relevant results based on your search query.
<h4>Want to contribute?</h4>
You can follow the <a href="https://github.com/jahvi/post-category-filter" rel="nofollow ugc">Github repository</a> and submit issues or pull requests.

Post Category Filter

Filter post categories and taxonomies live in the WordPress admin area

George Pattichis

Simple CPT is a free WordPress plugin that lets you create custom post types and custom taxonomies (eg: categories, tags, etc.) directly from your admin dashboard without writing a single line code.
No more editing files manually. With Simple CPT you can create a new Custom Post Type in less than 1 minute.
This plugin is written using only native functions, included in WordPress core, so it does not in any way reduce the performance of your website and will not cause any compatibility problems. Simple CPT is completely free, it will save you time and it is compatible with almost all themes and plugins out there.
In just a few minutes you can adapt your WordPress site to any type of project in a professional and extremely efficient way, e.g. ecommerce, hotel, restaurant, events, portfolio, community websites etc.

Simple CPT

Simple CPT provides an easy to use interface for registering and managing custom post types and custom taxonomies.

Post Category Filter vs Simple CPT