Sticky Navigation Menu with Smooth Scrolling is a basically a template with couple of features like that are invoked on scroll, shrink header, addition of drop shadow.
Smooth scroll feature is also added to logo(scroll top top) and smooth scroll to section on clicking menu item.
FakeScroll is a lightweight vanilla script for creating nice looking custom scrollbar.
Priority Nav Scroller is a plugin for the priority+ navigation pattern. When the navigation items don’t fit on screen they are hidden in a horizontal scrollable container with controls.
ScrollBooster is a lightweight and enjoyable content drag-to-scroll library. It can be used in table, images and any other content.
Scrolling Letters Animation is a switching title effect where a fixed text element changes with an animation depending on the scroll position by using CSS and anime.js
basicScroll is a standalone parallax scrolling library with CSS variables inspired by skrollr. basicScroll lets you to change CSS variables depending on the scroll position.
Progress Nav is an animated progress bar that highlights sections of a page that are currently in view.