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Flush OPcache
<ul>
<li>creates a button in admin bar to flush OPcache</li>
<li>flush only files in WordPress absolute path</li>
<li>individual or bulk file invalidation</li>
<li>support both memory and file caching</li>
<li>support multisite</li>
</ul>
OPcache Statistics
<ul>
<li>memory, hits, strings and keys statistics</li>
<li>directives, functions and general informations</li>
<li>list all files</li>
<li>fully responsive</li>
</ul>
WP CLI ready
<ul>
<li>add flush-opcache command to flush cache with cli: <code>wp flush-opcache flush</code></li>
<li>don’t forget to add <code>opcache.enable_cli=1</code> to your PHP configuration</li>
</ul>
There are three tabs in admin page under Tools:
<ul>
<li>General settings: plugin settings</li>
<li>Statistics: responsive dashboard about OPcache statistics</li>
<li>Cached files: list of cached files with the possibility of invalidating them</li>
</ul>

WP OPcache

works great

Bast OPCache Manager for WordPress

Manage OPcache inside your WordPress admin dashboard.

Robert DeVore

Phlush Permalinks is a powerful WordPress plugin designed to automate the flushing of permalinks at custom intervals. It also allows you to select specific actions that will automatically trigger a permalink flush. This is particularly useful for websites with frequent changes to post types, taxonomies, or other structures relying on permalinks.
Key Features: 
* Automatic flushing of permalinks at user-defined intervals. 
* Select specific actions that trigger an automatic flush, including post creation, post edits, category changes, and more. 
* Conditional support for popular plugins like WooCommerce, Yoast SEO, and Advanced Custom Fields (ACF). 
* Easy configuration through the WordPress settings page, complete with a Select2-enhanced multi-select field.
Phlush Permalinks is ideal for developers and site administrators who want to ensure their permalinks remain up-to-date without manual intervention.

Phlush Permalinks

Automate permalink flushing at custom intervals and trigger flushes on selected actions for improved site management.

WP OPcache vs Phlush Permalinks