Base UI

What it does

From the creators of Radix, Floating UI, and Material UI, Base UI is a comprehensive UI component library for building accessible user interfaces with React. Each Base UI component is meticulously designed for composability, consistency, and craft. The library's architecture prioritizes flexibility—without imposing visual opinions—helping teams craft distinctive interfaces that are fundamentally accessible and reliable.

Unstyled UI components for building accessible web apps and design systems.

From the creators of Radix, Floating UI, and Material UI, Base UI is a comprehensive UI component library for building accessible user interfaces with React. Each Base UI component is meticulously designed for composability, consistency, and craft. The library's architecture prioritizes flexibility—without imposing visual opinions—helping teams craft distinctive interfaces that are fundamentally accessible and reliable. Collectively, we've been building component libraries for multiple decades. We've learned what works, what lasts, and what doesn't. And we really, really sweat the details. Base UI is built to last. It is designed with care and maintained with intent. Our mission is to…from base-ui.com

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  Base UI v1.0 Unstyled UI Components from the Creators of Radix and MUIDec 2025 · github.com · ▲16

  After two years of development (and endless bikeshedding), we’ve finally pushed Base UI v1 out the door. Base UI is an unstyled UI library for building accessible component libraries and user interfaces with React. 35 accessible, configurable, composable, customizable components with a focus on a11y. Base UI is already in production at startups like Paper, Zed, and Unsplash, and being trialled by larger companies like GitHub and Vercel. There is a growing community of open-source libs built on top of it, such as Coss UI, Basecn, 9UI, and Pure UI. Since Base UI doesn’t bundle any styles, it…

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