jqrambo

The most comprehensive scroll-to-top plugin in the universe. Provides an intuitive button on each page so that, with one click, your readers will be back to the top of the page. Fully customisable from within the Customizer. You can change almost any setting and even upload your own custom image.

CakePress Scroll to top

The most comprehensive scroll-to-top plugin in the universe. Filled with useful features, every aspect can tweaked or customized from within the Custo …

romainguillaume

This plugin targets menus anchors. Then when any gets clicked, this plugin makes the document scroll smoothly to the targeted element.
It is using a native Javascript function that works in many browsers. Note that some browsers will not display the scrolling smooth animation and only point the targeted element without animating the scrolling.

Libre scrolling

Triggers when a anchor of a menu is clicked ; scrolls smoothly to its targeted element.

CakePress Scroll to top vs Libre scrolling