Viktor Szépe

Execute WP-cron manually by clicking a button on the Dashboard. 
WP-cron is WordPress’ scheduler system, it can execute background jobs like plugin updates.
Manual Cron is a Dashboard widget available for every user.
If you have poorly written plugins WP-cron’s output may not be empty.
<h4>Links</h4>
Development goes on on <a href="https://github.com/szepeviktor/manual-cron" rel="nofollow ugc">GitHub</a>.

Manual Cron

Triggers WP-cron from a Dashboard widget and displays output.

Jan Štětina

This plugin allows to edit and store multiple PHP scripts within WordPress administration (Tools -> Admin PHP Eval) and execute them repeatedly with <code>eval()</code>. After evaluation the return value and echoed data is displayed.

Admin PHP Eval

Storing and evaluating PHP scripts within WordPress administration.

Manual Cron vs Admin PHP Eval