Best metro-bootstrap Alternatives & Competitors in 2025

Metro UI CSS a set of styles to create a site with an interface similar to Windows 8.

Open Source

Simple and flexible HTML, CSS, and JS for popular UI components and interactions

Open Source

RealityMAX is the AI-powered 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.

Visit website freemium $40.0 / Monthly (Pro with up to 500 GB of storage space)

A utility-first CSS framework for rapidly building custom user interfaces.

Open Source

A modern responsive front-end framework based on Material Design

Open Source

A lightweight and modular front-end framework for developing fast and powerful web interfaces

Open Source

Material Design Lite Components in HTML/CSS/JS

Open Source

Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.

Open Source

The most advanced responsive front-end framework in the world

Open Source

The 960 Grid System is an effort to streamline web development workflow by providing commonly used...

Open Source

A set of small, responsive CSS modules that you can use in every web project.

Open Source

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

A CSS Framework and a Set of React Components that Implement Google's Material Design

Open Source

A Beautiful Boilerplate for Responsive, Mobile-Friendly Development

Open Source