Metro UI CSS

Metro UI CSS a set of styles to create a site with an interface similar to Windows 8.

Free Open Source Web jQuery LESS

Slides Framework

Slides is a simple and powerful HTML and CSS framework that lets you easily build beautiful static websites thanks to a flexible modular setup.

Commercial Self-Hosted

Flat UI Pro

Flat UI Pro is made on the basis of Twitter Bootstrap in a stunning flat-style, and the kit also includes a PSD version for designers. Flat UI Pro contains a huge number...

Commercial Web

HTML KickStart

HTML KickStart is a ultra–lean set of HTML5, CSS, and jQuery (javascript) files, layouts, and elements designed to give you a headstart and save you a lot of hours on...

Free Web

GroundworkCSS

GroundworkCSS is a 100% free and open source responsive HTML5, CSS and JavaScript Framework.

Free Open Source Web Self-Hosted

MUI

MUI is a lightweight HTML/CSS/JS framework that follows Google's Material Design guidelines.

Free Open Source Web

Gridlex

Simple. Robust. Responsive. Flexible. Based on Flexbox (CSS Flexible Box Layout Module), Gridlex is a very simple css grid system to quickly create modern layouts and...

Free Open Source Web Self-Hosted

metro-bootstrap

Simple bootstrap from Twitter with Metro style.

Free Open Source Web Bootstrap

Spectre.css

Lightweight, responsive and modern CSS framework for faster and extensible development.

Free Open Source Web Self-Hosted

Mobile Angular UI

Mobile Angular UI is a mobile UI framework just like Sencha Touch or jQuery Mobile. If you know Angular JS and Twitter Bootstrap you already know it!

Free Open Source Self-Hosted

Material Design Lite

Google's front-end web framework for building sites to the Material Design specification.

Free Open Source Web GitHub

Picnic CSS

Unpack your meal and get coding. An invasive CSS library to get your style started.

Free Open Source Self-Hosted CSS

Refills

Refills are prepackaged patterns and components, built on top of Bourbon, Bitters and Neat.

Free Open Source Web

Blaze CSS

Open source modular CSS framework providing great structure for building websites quickly.

Free Open Source Mac OS X Windows Linux Self-Hosted

yeti.css

yeti.css is a pattern library consisting of lightweight, reusable modules. It has been built to reflect &yet's visual and branding guidelines.

Free Open Source Mac OS X Windows Linux Self-Hosted

Flexbox Grid

A grid system based on the flex display property.

Free Open Source Web Self-Hosted

Juiced (a Flexbox CSS Framework)

Juiced has many of the same layout features that you know and love, but improves upon them with better mobile targeting, custom column ordering, better alignment...

Free Open Source Web Self-Hosted

960 Grid System

The 960 Grid System is an effort to streamline web development workflow by providing commonly used dimensions, based on a width of 960 pixels. There are two variants: 12...

Free Open Source Mac OS X Windows Linux BSD Web

The Goldilocks Approach

The Goldilocks Approach to Responsive Web Design - A good starting point for design that takes device resolution out of the equation.

Free Open Source Web

Element UI

Element, a Vue 2.0 based component library for developers, designers and product managers.

Free Open Source Web Self-Hosted JavaScript Vue.js CSS