Displays a popup window (css layer) above the fold that shows new posts and comments since your last visit. Managed with cookies.
<h3>News</h3>
Fixed compatibility with wordpress 2.3, which also breaks compatibility with 
anything earlier. For that refer to <a href="http://svn.wp-plugins.org/new-posts-popup/tags/0.2/" rel="nofollow ugc">version 
0.2</a> of this plugin.

New posts popup

Displays a popup window (css layer) above the fold that shows new posts and comments since your last visit. Managed with cookies.

pupungbp

Easy Popup Announcement helps you to display popup / pop-over / popup overlay on your WordPress website. It’s easy to use and straight-forward. Popup content is manageable within content editor, which you can add text, images, or even form like newsletter.
Features:
<ul>
<li>Plugin Options</li>
<li>Responsive Layout Supported – Nicely viewable on mobile devices</li>
<li>Cookies – Manage when your popup should be re-appear</li>
<li>Changeable overlay background color</li>
<li>More to come…</li>
</ul>
Support the Author: <a href="https://pupungbp.com" rel="nofollow ugc">The Developer Will Keep This Plugin Free</a>

Easy Popup Announcement

Easy Popup Announcement helps you to display popup / pop-over / popup overlay on your WordPress website.

New posts popup vs Easy Popup Announcement