hwde

There are a couple of “post notifier” plugins available, but I wasn’t able to 
found a similar than this one.
The plugin does a very simple thing: each time a post is created, updated or 
deleted, a URL defined in settings of this plugin is “called” by the plugin.

CallOnPost

"Call On Post" is a Post Notifier as a plugin which will "fetch" automatic the specified URL when a post is published or modified by a user.

shahpranaf

There are instances when one wants to show featured image on single post and hide it on another post. 
This plugin will allow you to show or hide featured image from single post page. It supports custom post types also.
For any query or details please visit <a href="http://shahpranav.com/2015/05/hide-featured-image-on-single-post/" rel="nofollow ugc">Plugin Home</a>

Hide Featured Image

To Hide Featured Image on single post/page.

CallOnPost vs Hide Featured Image