PluginsPoint

Kento Scroll. Jump. Top. Is a simple and very light plugin that will take your visitors to the top of the page once they are scrolling through your page.
Plugin Features
<ul>
<li>Select from 20+ icons</li>
<li>Smooth transition</li>
<li>Easy install and active</li>
</ul>
Plugin Demo and Support: http://kentothemes.com/items/plugins/kento-scroll-jump-top/

Kento Scroll Jump Top

fractal512

Fully adjustable scroll to top tool for your site. Now with SVG icons! 
Easily adapts to any theme. You can change type (button or sidebar), size, shape, icon, color and much more. Dynamically binds to the page and, thus, does not affect SEO. This plugin uses Color Picker jQuery plugin for easy way to change colors of Your button or sidebar. Tested in browsers: Internet Explorer 7 – 11, Microsoft Edge, Safari, Google Chrome, Mozilla Firefox and Opera.
Features:
<ul>
<li>type of scroll tool (button or sidebar);</li>
<li>size and position of the tool;</li>
<li>colors of the button/sidebar;</li>
<li>disable for small mobile screens option;</li>
<li>animated scroll motion option;</li>
<li>translucency of the tool option;</li>
<li>scroll down to the last viewed position option.</li>
</ul>

Scroll tool

Fully adjustable scroll tool for your site.

Kento Scroll Jump Top vs Scroll tool