Generate Polygon Patterns From Triangles – Trianglify
Trianglify is a pure JavaScript library for generating colorful polygon (geometric) patterns from triangles based on SVG, Canvas, or PNG.
JavaScript & CSS background
Create Auto Moving Backgrounds In Pure JavaScript – slizer.js
slizer.js is a lightweight JavaScript plugin to automatically scroll the background image of a container just like a carousel. Great for panoramic backgrounds.
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.
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.
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.