Here are four free WordPress plugins that takes up your blog visitor’s attention by displaying pop-ups or by showing dynamic notification bars.
NotiBar is a free WordPress plugin that allows you to display a notification bar in your WordPress based site. Simply install and activate the plugin, then visit Dashboard -> Notibar and copy-past your code snippet from from NotiBar.com.
The Hello Bar is another free WordPress plugin allows you to copy-paste your Hello Bar code snippet from HelloBar.com to your WordPress adminDashboard. It also allows you to select whether you’d like your code to be placed in
<head> tag or at the end of the
<body> tag of your HTML layout
Displays a Popup with social sharing buttons of major social networking websites like Facebook, Twitter, and Google Plus to share your WordPress blog content.
Simple Popup Manager is different from the above pop up plugin. With this plugin you can display a simple message box on your WordPress front page easily. Best for displaying newsletter functionality, advertising and for getting more fans on your fan page. It displays pop-up in a light box effect.