Fomantic UI is a modern front-end development framework that helps create beautiful, responsive layouts using human-friendly HTML.
Cost / License
- Free
- Open Source
Platforms
- Online
- Self-Hosted




PrettyCSS is described as 'Build your website interface using a responsive CSS framework with various components and with integrated dynamic functionalities' and is a CSS Framework in the development category. There are more than 50 alternatives to PrettyCSS for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best PrettyCSS alternative is Bootstrap, which is both free and Open Source. Other great apps like PrettyCSS are Tailwind CSS, Bulma, Semantic UI and Foundation.
Fomantic UI is a modern front-end development framework that helps create beautiful, responsive layouts using human-friendly HTML.




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 iPhone. Skeleton is built on three core principles:
Front-end framework with a built-in dark mode and full customizability using CSS variables; great for building dashboards and tools.
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Eva Design System is a free and open-source, customizable design system. Available for Sketch with Mobile and Web component libraries.

Spectre.css is a lightweight, responsive and modern CSS framework for faster and extensible development.
This project's goal is to be able to create a fully accessible material design styled website using React Components and Sass.

Metro UI CSS a set of styles to create a site with an interface similar to Windows 8.
Little Widgets is a collection of beautifully designed HTML website widgets and popups. It’s coded, responsive, animated and ready to use on your website.



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 submodules.

Vuetify is a semantic component framework for Vue. Build amazing applications with the power of Vue and Material Design and a massive library of beautifully crafted components.



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!