175 Like Bootstrap Good alternative? YES NO 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
38 Like Foundation Good alternative? YES NO 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
31 Like Semantic UI Good alternative? YES NO Semantic empowers designers and developers by creating a shared vocabulary for UI. Free Open Source Web No features added Add a feature
25 Like UIKit Good alternative? YES NO 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
20 Like Skeleton Good alternative? YES NO 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 Materialize Good alternative? YES NO 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 jQuery UI Good alternative? YES NO jQuery UI is an open source library of interface components — interactions, full-featured widgets, and animation effects — based on the stellar jQuery javascript library... Free Open Source Web No features added Add a feature
11 Like Purecss Good alternative? YES NO 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
10 Like Metro UI CSS Good alternative? YES NO Metro UI CSS a set of styles to create a site with an interface similar to Windows 8. Free Open Source Web LESS jQuery Responsive design Add a feature
4 Like Spectre.css Good alternative? YES NO Lightweight, responsive and modern CSS framework for faster and extensible development. Free Open Source Web Self-Hosted Responsive design Add a feature
6 Like GroundworkCSS Good alternative? YES NO 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
12 Like w2ui Good alternative? YES NO 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 Windows Linux Autocompletion Add a feature
6 Like metro-bootstrap Good alternative? YES NO Simple bootstrap from Twitter with Metro style. Free Open Source Web Bootstrap Responsive design Add a feature
7 Like Flat UI Pro Good alternative? YES NO 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
3 Like Material Design Lite Good alternative? YES NO Google's front-end web framework for building sites to the Material Design specification. Free Open Source Web GitHub Responsive design Add a feature
