Modern Vanilla JS Library for Scrollytelling – Scrolleo
A modern vanilla JavaScript library for scroll-driven interactions. Zero dependencies, IntersectionObserver-based, full TypeScript support.
JavaScript & CSS Scroll Animation
Animate Elements On Scroll With Parallax Effect – locomotive-scroll
locomotive-scroll is a modern JS library that applies a smooth, subtle, configurable parallax scroll effect to elements when scrolled into view.
Lightweight & Performant JavaScript Animation Library – MotionFlow
A lightweight JavaScript library for scroll animations, parallax, and text effects. It uses HTML attributes for zero-config setup.
Lightweight Modern Animation on Scroll Library (5.7KB) – aos.js
Lightweight scroll animation library (5.7KB) with TypeScript support. Animate elements on scroll across Vanilla JS, React, and Vue.
Animate On Scroll Using CSS @keyframes – Scrollerful.js
A lightweight AOS (animate on scroll) JavaScript library for animating elements on scroll using CSS keyframes and variables.
High-Performance CSS Scroll Animations with MOS.js
Add smooth scroll-triggered animations with simple data attributes. Zero dependencies, 12+ animation types, CSS variable timing.
Lightweight Animation Library for Modern Web – CSS Motion
Create performant scroll animations with CSS Motion. Framework-agnostic, respects prefers-reduced-motion, and works with React, Svelte, vanilla JS.
Performance-First Scroll Animation Library – WavBlock
Build engaging scroll animations with WavBlock. Declarative HTML attributes, built-in effects, and IntersectionObserver-powered detection for optimal performance.
Tiny Framework-Agnostic Scroll Animation Library – USAL.js
A 9KB performant scroll animation library with 40+ effects, text animations, and number counters for any JavaScript project.
Performance-First Scroll Animations – Animate When Visible
A 2KB JavaScript library using IntersectionObserver for performant scroll animations. Add CSS classes when elements enter viewport.