arsho

WP-Smooth-Scroll is a plugin that helps users to scroll smoothly to top of the page.
Main features of WP-Smooth-Scroll are:
<ul>
<li>WP-Smooth-Scroll is simple to set up and use.</li>
<li>It has options to select the position of WP-Smooth-Scroll button.</li>
<li>It wont create problem in smaller screen like mobile or tablet.</li>
<li>It is smooth and dynamic.</li>
<li>WP-Smooth-Scroll has an eye catching effect with nice hover effect.</li>
</ul>
Plugin Demo: <a href="http://shovon.info/wp/wp-smooth-scroll" rel="nofollow ugc">Plugin Support</a>

WP-Smooth-Scroll

WP-Smooth-Scroll is a plugin that helps users to scroll smoothly to top of the page.

MD. Rabiul Islam Patwary

Go top is a page scroll to top plugin for your awesome website. It has a nice an smooth scrolling effect with 
background music.
Major Features: 
1. Simple install process. 
2. Font-awesome icon support. 
3. Plugin Option Panel.
Plugin Demo: http://www.codycave.com/Plugins/go-top/
Credits: 
* Elevator jQuery Plugin (http://tholman.com/elevator.js/)

Go Top

This is a very simple plugin to scroll to top in a nice and smooth way.

WP-Smooth-Scroll vs Go Top