Jennifer Moss

<p>When a visitor loads your site, this lightweight script checks to see if any scheduled posts have been missed. If so, it publishes them immediately.</p>


MWW Scheduled Post Trigger

I have used this plugin for a couple of years without any issues. Without it, WordPress misses posts all the time. I don't understand why this functionality isn't built into WordPress, but I am thankful for the developer.  

The Plugin We Really Shouldn't Need

Publishes missed scheduled posts when WordPress Cron fails. Ideal for small to medium sites.

ObayTek

<p>When a visitor loads your site or you access your posts/pages admin page, this plugin checks and publishes them immediately if any scheduled posts have been missed.</p>


Scheduled Posts Publisher

This plugin will checks and if any scheduled posts have been missed, it publishes them.

MWW Scheduled Post Trigger vs Scheduled Posts Publisher