Scott Kingsley Clark

<p><strong>Requires PHP 5.6+ and WordPress 4.9+</strong></p>
<p>Create and Manage Cronjobs in WP by loading Scripts via URLs, including Scripts, running Functions, and/or running PHP code. This plugin utilizes the wp_cron API.</p>
<p>All you do is install the plugin, schedule your Scripts / Functions / PHP code to run at a specific interval, and live your life — Cron it up!</p>
<h3>Features</h3>
<h4>Administration</h4>
<ul>
<li>Create and Manage Custom Cronjobs</li>
<li>View Custom Cronjob Activity Log</li>
<li>View and Remove Existing Cronjobs</li>
<li>View Available Cronjob Schedules and Intervals</li>
<li>Reset Logs or all Crony settings</li>
<li>Admin.Class.php – A class for plugins to manage data using the WordPress UI appearance</li>
</ul>


Crony Cronjob Manager

Create and Manage Cronjobs in WP by loading Scripts via URLs, including Scripts, running Functions, and/or running PHP code.

Roy Orbitson

drmaxim

<p>This plugin adds an informational page to the <em>Tools</em> menu, which displays all tasks scheduled to run by WP-Cron process.</p>
<p>This is an updated and improved version of the (seemingly abandoned) plugin <a href="https://wordpress.org/plugins/cron-tasks-viewer/" rel="ugc">Cron Tasks Viewer</a> by <a href="http://www.maxvim.com/" rel="nofollow ugc">Dr. Max V.</a></p>


Cron Tasks Viewer


Helped me quickly confirm that my custom plugin code was registering correctly.


Crony Cronjob Manager vs Cron Tasks Viewer