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
Semantic UI Semantic empowers designers and developers by creating a shared vocabulary for UI. Free Open Source Web No features added Add a feature 35 Like
Bulma A modern CSS framework based on Flexbox. Free Open Source Web Self-Hosted Responsive design HTML5 Support Lightweight Mobile friendly Add a feature 23 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 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
MUI MUI is a lightweight HTML/CSS/JS framework that follows Google's Material Design guidelines. Free Open Source Web Material design Responsive design Add a feature 6 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
Flexbox Grid A grid system based on the flex display property. Free Open Source Web Self-Hosted Responsive design Add a feature 2 Like
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 No features added Add a feature 2 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
Gridset Gridset is a tool that allows you to create sets of responsive grids for your site. Freemium Web Self-Hosted No features added Add a feature 1 Like
