www.gopiplus.com

gopiplus

This plugin will create the popup window with scrolling effect. With this we can confirm that particular content on your page gets attention to user.
Check official website for live demo <a href="http://www.gopiplus.com/work/2011/07/23/scrolling-down-popup-wordpress-plugin/" rel="nofollow ugc">http://www.gopiplus.com/work/2011/07/23/scrolling-down-popup-wordpress-plugin/</a>
<ul>
<li><a href="http://www.gopiplus.com/work/2011/07/23/scrolling-down-popup-wordpress-plugin/" rel="nofollow ugc">Live Demo</a> </li>
<li><a href="http://www.gopiplus.com/work/2011/07/23/scrolling-down-popup-wordpress-plugin/" rel="nofollow ugc">More info</a> </li>
<li><a href="http://www.gopiplus.com/work/2011/07/23/scrolling-down-popup-wordpress-plugin/" rel="nofollow ugc">Comments/Suggestion</a> </li>
<li><a href="http://www.gopiplus.com/work/" rel="nofollow ugc">About author</a> </li>
</ul>
Scrolling down popup plugin create the popup window with drop in scrolling effect. With this plugin we can confirm that particular content on your page gets attention to user. To display important announcement, an advertisement, or a promotional offer we can use this plugin.
Features of this plugin
<ul>
<li>Simple popup plugin.</li>
<li>Easy customization.</li>
<li>Scrollable popup effect.</li>
<li>Session option to display popup once per session.</li>
</ul>
<a href="http://www.gopiplus.com/work/2011/07/23/scrolling-down-popup-wordpress-plugin/" rel="nofollow ugc">Click here</a> to see detail information about this plugin.

Scrolling down popup plugin

This plugin create the popup window with scrolling effect. With this we can confirm that particular content on your page gets attention to user.

kubiq

Replace basic website scrolling “effect” with nice smooth scroll using mousewheel, touchpad or keyboard arrows
You can play with settings and test it here: 
<a href="https://demo.tastewp.com/mousewheel-smooth-scroll" rel="nofollow ugc">https://demo.tastewp.com/mousewheel-smooth-scroll</a>

MouseWheel Smooth Scroll

Smooth scrolling experience, with mousewheel, touchpad or keyboard

Scrolling down popup plugin vs MouseWheel Smooth Scroll