Advanced Smooth Scrolling For Web Apps – FluidScroll.js
An advanced and highly customizable smooth scrolling JavaScript library for websites & web apps featuring long pages.
Animation
Overflow-Aware Marquee Scroller in Vanilla JS – fluid-marquee
Add smooth scrolling marquees to any page with fluid-marquee. Supports pause on hover, drag momentum, vertical mode, and responsive design.
Trigger CSS Animations Based On Element’s Position – Trig.js
A simple and lightweight AOS (animate on scroll) library that applies custom CSS3 animations and transitions to elements as they scroll into view.
Control CSS Animation with JavaScript Using KeyframeKit
A lightweight JS library that converts CSS @keyframes into native Animation instances with pause, reverse, and progress support.
Vanilla Scroll Sky: Pure CSS Scrollytelling Library
CSS scrollytelling library using scroll-driven animations and sticky layout. No JavaScript required.
Canvas Particle Animation Library for Web Backgrounds – particles-js
A canvas-based particle animation library with six particle shapes, three animation modes, mouse repulsion, click-to-burst, and trail effects for web backgrounds.
Animated Border Glow Effect In Vanilla JavaScript – Border Beam Vanilla
A vanilla JS library that adds an animated border beam effect to cards, buttons, inputs, and search bars with runtime controls.
Smooth, Infinite Scrolling Marquees in Vanilla JavaScript – marquee6k
Create performant horizontal text scrollers with marquee6k. Lightweight vanilla JS marquee library with responsive design and hover pause support.
Lightweight CSS3 Animation Library with Data Attributes – data-anim
Add 30+ GPU-accelerated scroll animations to any HTML element using data attributes. Under 3KB and built-in anti-FOUC protection included.
Animate Scrolling To Anchor Links – scrollToSmooth
Just another pure JS smooth scroll library to animate the page scrolling to specified anchor links, with or without easing functions.