notificationbox

Display an awesome notification box on either the bottom right or bottom left corner of your website. The Lite version allows you to display which pages or posts have been visited.
Features:
<ul>
<li>Show or hide the Powered By text</li>
<li>Keeps a log of pages/posts that have been visited.</li>
<li>Display the first notification in seconds (minimum 5 seconds)</li>
<li>Then display the consecutive notification at a set interval in seconds (minimum 20 seconds)</li>
<li>Displays a custom text message for the popup notification e.g Someone viewed this awesome article or Someone just read this article</li>
<li>Displays how long ago the articles was viewed</li>
<li>Show the notifications messages from x days</li>
<li>Display the notification from Left or Right corner</li>
<li>Display notification based on Post or/and Page</li>
</ul>
Please support us by showing the Powered By text. Thanks.
The Premium version gives the ability to display the latest products / posts / pages / Buddy Press activity log and even a custom message (it can be a video, text, images, or even a shortcode). Compatible with Woocommerce and BuddyPress. You can also change the colour and size of the notification box.
Get the Premium version from <a href="http://www.notificationbox.com/shop/" rel="nofollow ugc">http://www.notificationbox.com/shop/</a>
Have a look at the demo of the Premium <a href="http://www.notificationbox.com" rel="nofollow ugc">here</a>

Notification Box Lite Version

Display an awesome notification box on either the bottom right or bottom left corner of your website.

Marcin Pietrzak

Display cool, animated fly-out or fade box with related content.
When a reader scrolls to the bottom of a single post, page, or custom post type, an animate box will be shown allowing the reader to select the previous or random available post or posts in the selected configuration:
<ol>
<li>Just previous</li>
<li>Previous in category</li>
<li>Previous in tag</li>
<li>Random</li>
<li>Related using YARPP (only post/pages)</li>
</ol>

upPrev

Great plugin. Works great, lightweight and doesn't take a lot of resources to manage. 

Great Plugin

Display cool, animated fly-out or fade box with related content.

Notification Box Lite Version vs upPrev