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Continuously updated and improved by a large open-source community, ensuring the framework remains current and robust.

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Metro UI CSS

Metro UI CSS

Open Source

Metro UI CSS is a robust and versatile CSS framework specifically designed to replicate the look and feel of Microsoft's Metro design language. It provides a comprehensive set of pre-built components, styles, and themes to help developers quickly build modern, responsive web interfaces with a distinct Metro aesthetic.

Facilitates rapid development of Metro-styled interfaces.
Responsive design
Development
Bulma

Bulma

Open Source

Bulma is a modern, open-source CSS framework based on Flexbox. It provides a collection of pre-designed components and a responsive grid system to streamline front-end development and build elegant web interfaces quickly.

Based on Flexbox, providing powerful layout capabilities.
Mobile friendly
Development
Materialize

Materialize

Open Source

Materialize is a modern, responsive front-end CSS framework based on Google's Material Design principles. It offers a collection of ready-to-use components and styles to build visually appealing and highly functional websites and web applications quickly.

Comprehensive implementation of Material Design for a consistent and modern look...
Material design
Development
Foundation

Foundation

Open Source

Foundation is a comprehensive family of responsive front-end frameworks designed to streamline the creation of aesthetically pleasing and highly adaptable websites, applications, and emails that maintain their visual integrity across all devices.

Highly flexible and powerful grid system.
CSS framework
Development