Animated Gradient Background In Pure CSS – Auroral.css
The Auroral.css library allows to create smooth animated gradient background using CSS3 transitions, transforms and animations.
JavaScript & CSS background
Create Animated Gradient Background With JavaScript – gradientify.js
gradientify.js is a small JavaScript plugin which makes use of plain HTML and CSS to create an animated gradient background for any container element.
Interactive Blurry Background In Vanilla JavaScript – Brusher
Brusher is a fancy vanilla JavaScript library to create an interactive background that allows you to reveal the blurred background image with a brush effect.
Animated Particles Background With Pure JavaScript
This is a simple script to generate responsive, random, CSS3 animated particles (balls) for your background.
Create Noise Background With JavaScript And Canvas
An animated noise background for your webpage, built using JavaScript and HTML5 canvas.
Responsive Background Image Delivery – responsive-background-images.js
A small vanilla JavaScript library for smartly and dynamically loading proper background images depending on the current screen sizes.
Create Amazing Bubbles Background In Pure JavaScript – bubble-bg
The bubble-bg JavaScript library let you create fantastic bubbles with gradient colors and smooth animations for the background.
Animated Bokeh Background With JavaScript And Canvas
A fancy, animated, responsive, random bokeh background built using pure JavaScript, HTML5 canvas element and window.requestAnimationFrame() API.
Interactive Colorful Triangle Background with JavaScript and Canvas – Triangles.js
Triangles.js is a standalone JavaScript library which uses canvas 2D API to generate a colorful polygon (triangle, geometric) background with mouse interaction.
Responsive Background Image Delivery Using Vanilla JavaScript
bg-responsive.js is a vanilla JavaScript library that allows to intelligently load the appropriate background images based on the screen size you’re viewing on.