Modern CSS framework based on Flexbox

Skeleton: A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development

Build mobile apps with simple HTML, CSS, and JavaScript components.

A CSS only tooltip library for your lovely websites.

Material Design style and animations for Ionic

a [μ] microInteraction library built with CSS Animations and controlled by JavaScript Power

An interactive map of everywhere you traveled

Universal Tab for Mozilla websites

A minimal Code Input Component for react JS.

The Client-Side Performance Handbook

Discontinued

A minimal pure CSS library suitable for most web projects.