The React UI library you always wanted

MUI provides a robust, customizable, and accessible library of foundational and advanced components, enabling you to build your own design system and develop React applications faster.

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From startups to Fortune 500s, the world's best product teams use MUI to build their UIs.


Extensive library of components, ready for production

A suite of products integrated to make your life easier when it comes to setting up design systems.

Developer experience

Powerful tools to help you build all types of user interfaces

Beautifully designed

You can start your projects with Google's Material Design or build your own designs using the sophisticated theming features.

Easily customized

Enjoy the power of our components without sacrificing the styles you want. Tweak how your components render down to the very last class.

Superb documentation

Our docs were shaped throughout the years with the help and experience of our trusted 2,000+ open-source contributors. It's all there!

Accessible in mind

We care about making it great for everyone. We improve accessibility for all of our components constantly, helping you to reach the largest audience possible!

Ready to use

Self-supporting, simple, declarative components


Weekly downloads on npm


Stars on GitHub


Open-source contributors


Followers on Twitter