Lightweight Vanilla Javascript Parallax Library – rellax
rellax is a small vanilla JavaScript library which provides a smooth parallax scrolling effect on any DOM elements.
Animation
Flexible Configurable Waves Animation In Vanilla JavaScript – wavejs
wavejs is a flexible, configurable JavaScript plugin to simulate the waves on the surface of water using Vanilla JavaScript and Canvas API.
Simulate Signature Animation With Vara.js Library
The Vara JavaScript library lets you create text drawing animation to simulate someone sign on your webpage.
Confetti Falling Animation In Pure JavaScript – confetti.js
confetti.js is a vanilla JS library for creating a configurable, high-performance confetti falling animation using HTML5 canvas and requestAnimFrame API.
Create CSS Transitions When Switching Between Pages – swup
The swup JavaScript library lets you apply custom CSS transitions to pages when switching between them. Supports preload, page cache, and event handlers.
CSS Only Snow Falling Effect
A CSS only snow falling effect for the winter & holiday theme of your website.
8 Hamburger Toggle Animations In Pure HTML/CSS
A collection of 8 awesome toggle animations created for hamburger buttons of your mobile & desktop navigation system.
Highly Configurable Text Typing Library – typed.js
Just another JavaScript text typing animation library that animates your text to make it look like it is being typing.
Morph A Button Into A Form Using CSS3 Animations
An awesome UI concept that morphs a button into an HTML form using CSS3 animations.
Create A Background Particles System With JavaScript And Canvas – nodes.js
The nodes.js JavaScript library lets you create a particles system with animated nodes and connecting lines for the background.