Salman Ahmed

Nice and Awesome Scrollbar for Web Site.
Plugin Features 
Easy to install 
Fully integrated in WordPress 
Simple installation & activation 
Unlimited colors. 
CSS3 animation. 
Supported touch devices. 
All browser supported 
Custom Width. 
Scrollbar border radius. 
Scrollbar scroll speed. 
Scrollbar border. 
Auto Hide Enable/Disable Mode. 
Lightweight Responsive. 
Easy Option Panel
Demo Link of this plugin: <a href="http://www.modinatheme.com/plugins/" rel="nofollow ugc">Live Demo</a>
<h3> Top Featured </h3>
<ol>
<li>Color Change Option</li>
<li>Plugin Option Panel</li>
<li>Light Weight Plugin</li>
<li>Modern UI Colors</li>
</ol>

ScrollKit – Nice Scrollbar

Sohelwpexpert

This is WP Scrollbar wordpress plugin. Really the scrollbar looking awesome and easy to use.
To Get Premium support <a href="mailto:sohelwpexpert@gmail.com" rel="nofollow ugc">Email us</a> 
To know more: <a href="http://prowpexpert.com/use-better-scrollk-wordpress-plugin/" rel="nofollow ugc">Click here</a>

WP Scrollbar

WP Scrollbar Plugin, super lightweight plugin for your wordpress website using scrollbar.

ScrollKit – Nice Scrollbar vs WP Scrollbar