Plugins
Smoother - Smooth Scrolling for WordPress v2.0.4
This Simple and Powerful WordPress Plugin will help to make Scrolling on your site really Smooth.
Plugins
Smooth Scrolling for Elementor v1.0.0.1
Smooth page scrolls followed by triggered images/media with parallax effect.
Plugins
Smooth Scroll for WordPress v3.0.3 - Site Scrolling without Jerky and Clunky Effects
Smooth Scroll plugin will make your WordPress site cool by making the scroll movement of the mouse wheel smooth.