mustansir

This plugin allows you to add a dashboard widget that manages specific taxonomies (Such as tags and categories or any custom taxonomy). Specifically the dashboard widget makes it easy to remove a post from a taxonomy of any kind.
Those who have themes, plugins, widgets that use the wordpress taxonomy system to place posts in various lists will find this plugin especially useful.
This plugin allows you to add a dashboard widget that manages taxonomies. It easy to remove a taxonomy term applied to a post.

Category Manager

The WP Category Manager plugin makes it easier to manage any taxonomy that is used to control the posts within widgets in the presentation layer

Sabuj Kundu

codeboxr

Custom Taxonomy Filter in WordPress Admin Panel Post Listing Plugin will solve or help to add custom taxonomy filter/dropdown for built-in or custom post type listing in Admin panel or dashboard.
<h3>CBX Custom Taxonomy Filter by <a href="http://codeboxr.com/product/custom-taxonomy-filter-in-wordpress-admin-post-listing" rel="nofollow ugc">Codeboxr</a></h3>
<blockquote>
📋 <a href="http://codeboxr.com/product/custom-taxonomy-filter-in-wordpress-admin-post-listing" rel="nofollow ugc">Documentation</a> | 👨‍💻 <a href="https://wordpress.org/support/plugin/custom-taxonomy-filter/" rel="ugc">Free Support</a> | 🤴 <a href="https://codeboxr.com/product/customization-support/" rel="nofollow ugc">Pro Support</a> | 📱 <a href="https://codeboxr.com/contact-us/" rel="nofollow ugc">Contact</a>
</blockquote>
Features:
<ul>
<li>Supports all post types including built-in and custom post types</li>
<li>Supports all taxonomy including custom and built-in taxonomy types</li>
<li>Enable/Disable for any post type</li>
<li>Enable/Disable any taxonomy</li>
</ul>

CBX Custom Taxonomy Filter

UI is nice enough, but it didn't work properly for mee, and support orum seems inactive. Support thread:
https://wordpress.org/support/topic/does-not-work-with-custom-taxonomy?replies=1



Not great

This plugin adds custom taxonomy filter in wordpress admin post listing panel as per setting

Category Manager vs CBX Custom Taxonomy Filter