kengher

Broadcast simple, important alerts across your multisite network. Also great for single sites.
Features of Site Alert: 
* Display alert(s) in the Homepage with option to show in all pages of a site. 
* Native WordPress WYSIWYG message creation box for simplicity with media support. 
* Choice of hardcoded at the different parts of the page, or make it a pop-up modal. 
* Indicate different priority levels (colors) and icons. 
* Set a date range to publish/unpublish the alert.
Features as a Network Admin 
* Show alert across all all sites in your multisite network. 
* Exclude alert(s) from certain sites. 
* Site Groups manager to provide easier bulk exclusions.

Super Simple Site Alert

Broadcast simple, important alerts across your multisite network. Also great for single sites.

Krunal Prajapati

Add a disclaimer/terms/warnings about post/page/custom post type on top, bottom of content as well as inside post content
<h4>Features</h4>
<ul>
<li>Disclaimer on Post/Page or Custom Post Type</li>
<li>Customized Options</li>
<li>Custom CSS Option</li>
<li>Individual Post/Page or Custom Post Type Options</li>
<li>Font Awesome Icons</li>
<li>Use with Shortcode</li>
</ul>

WP Post Disclaimer

Add customizable disclaimers, terms, or warnings to the top, bottom, or within post, page, or custom post type content for WordPress

Super Simple Site Alert vs WP Post Disclaimer