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 190 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
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 25 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 11 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
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
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
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 Web BSD No features added Add a feature 2 Like
Element UI Element, a Vue 2.0 based component library for developers, designers and product managers. Free Open Source Web Self-Hosted CSS JavaScript Vue.js No features added Add a feature 2 Like
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 No features added Add a feature 6 Like
Sassy-validation Sassy-validation is a Sass data type validation library. Validate inputted data or don’t Sass at all ! Sassy-validation is a handy addition for every Sass project... Free Open Source Mac OS X Windows Linux Web Android ... iPhone No features added Add a feature 2 Like
Wee Lightweight front-end framework for logically building complex, responsive web projects. Free Open Source Web Support for Bootstrap Add a feature 2 Like
Fluid 960 Grid System The Fluid 960 Grid System templates have been built upon the work of Nathan Smith and his 960 Grid System using effects from the MooTools and jQuery JavaScript... Free Open Source Mac OS X Windows Linux Web BSD No features added Add a feature 1 Like
Foldy960 Foldy960 - A responsive version of the 960 grid, the Pvel way! Free Open Source Mac OS X Windows Linux Web BSD Responsive design Add a feature 1 Like