Toggle CSS Classes When An Element Is Scrolled Into View – onscroll-effect
The onscroll-effect JavaScript library that automatically adds or remove CSS classes from a given element when you scroll down/up the webpage.
JavaScript & CSS Scroll Animation
2kb Scroll-triggered Animation Library – josh.js
A lightweight (2kb minified) ES5/ES6 JavaScript library to animate content on scroll using CSS3 animations and intersection observer API.
Zoom & Fade In Elements On Scroll
A smooth scrolling interaction concept that zooms & fades in/out elements on vertical page scrolling using the requestAnimationFrame API and CSS3 transforms.
Frame-by-Frame Animation On Scroll – scroll-animate
scroll-animate is a JavaScript scroll animation library that takes a list of images and animates them frame by frame when scrolling down the webpage.
CSS @keyframes Like Sequence Animations On Scroll – Motus.js
motus.js is a JavaScript animation library for scroll-triggered animations that allow you to control the intermediate steps in an animation sequence similar to the CSS @keyframes.
Minimal Fade/Slide Scroll Animations In JavaScript & CSS3 – Scroll-Animation
A dead simple and ultra-light (<1kb) scroll animation library built with CSS3, HTML data attributes, and JavaScript IntersectionObserver API.
Perform Actions On Page Scroll – scroll-out
A lightweight, cross-platform, progressively enhanced JavaScript scroll animation library for the web.
Animated Scroll Effect With CSS3 Animations – ScrollFx.js
ScrollFx.js is a tiny JavaScript library that applies scroll-triggered reveal effects to elements using CSS3 animations.
Advanced Is In Viewport Checker Library – wiscroll
wiscroll is a tiny yet powerful ‘Is In Viewport’ checker that detects if an element enters or exits the viewport and triggers certain actions based on the scroll position.
Animate Elements On Scroll By Toggling CSS Classes – AIV
AIV (Animate In View) is a standalone JavaScript scroll animation library to animate any element on page scroll by toggling certain CSS classes depending on the scroll position.