Babu

This is small wordpress plugin for one click scroll to top. If you use this plugin you can go bottom to top your website one click. Happy scrolling.
If you want to see demo click here : http://morshed9798.byethost33.com/plugin/
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Scroll Up

Scroll Up plugin is a nice,lightweight and attractive wordpress plugin for 'Scroll to top/Back to top' one click. Happy scrolling....

ThemesVila

BH Scroll Top plugin will help you to add Scroll top option in you website.In this plugin included maximum Customized option. Almost all Everything you can customize.
A few notes about the sections above:

BH Scroll Top

This plugin will add a scroll top feature in your site.

Scroll Up vs BH Scroll Top