Bootstrap Bootstrap is a open-source collection of tools for creating browser sites and applications. It contains HTML and CSS-based design templates for typography, forms... Free Open Source Self-Hosted HTML5 Boilerplate JavaScript Responsive design Add a feature 192 Like
Foundation Foundation is an easy to use, powerful, and flexible framework for building rapid prototypes and production code on any kind of device. Free Open Source Web No features added Add a feature 41 Like Both are front end frameworks, but Foundation is more popular and widely used. tedcurran • Sep 2017 • 0 agrees and 1 disagrees Disagree Agree
Bulma A modern CSS framework based on Flexbox. Free Open Source Web Self-Hosted Responsive design HTML5 Support Lightweight Mobile friendly Add a feature 24 Like
Materialize Materialize is a modern responsive CSS framework based on Material Design by Google Free Open Source Web Material design Responsive design Add a feature 26 Like
UIKit A lightweight and modular front-end framework for developing fast and powerful web interfaces. ui framework full HTML / CSS, javascript component , form, theme ... Free Open Source Web No features added Add a feature 27 Like
Skeleton Skeleton is a small collection of CSS & JS files that can help you rapidly develop sites that look beautiful at any size, be it a 17" laptop screen or an... Free Open Source Web No features added Add a feature 20 Like
Purecss A set of small, responsive CSS modules that you can use in every web project. Free Open Source Web No features added Add a feature 12 Like
Spectre.css Lightweight, responsive and modern CSS framework for faster and extensible development. Free Open Source Web Self-Hosted Responsive design Add a feature 5 Like
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 Responsive design Add a feature 6 Like
w2ui W2UI is a small JavaScript UI library with a complete set of widgets: layout, grid, sidebar, toolbar, tabs, fields, popup, utilities. Free Open Source Mac OS X Windows Linux Autocompletion Add a feature 12 Like
GroundworkCSS GroundworkCSS is a 100% free and open source responsive HTML5, CSS and JavaScript Framework. Free Open Source Web Self-Hosted No features added Add a feature 6 Like
Material Design Lite Google's front-end web framework for building sites to the Material Design specification. Free Open Source Web GitHub Responsive design Add a feature 3 Like
Refills Refills are prepackaged patterns and components, built on top of Bourbon, Bitters and Neat. Free Open Source Web Responsive design Add a feature 3 Like
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 No features added Add a feature 7 Like
Picnic CSS Unpack your meal and get coding. An invasive CSS library to get your style started. Free Open Source Self-Hosted CSS Responsive design Add a feature 3 Like
