Base UI — Unstyled, accessible UI component primitives for React by MUI and Radix.

Unstyled, accessible UI component primitives for React by MUI and Radix.

Included Components

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BlueskyMade for the makersSo you know who to blameThe fine printWhat is Base UI?Does Base UI work with any styling library?How does Base UI differ from Radix UI?Can I use Base UI without React?Is Base UI free for commercial use?Do you offer enterprise SLAs?AccordionAlertDialogCheckboxDialogMenuPopoverRadioScrollAreaSelectSliderSwitchTabsTooltip

Base UI is a next-generation library of unstyled, accessible UI component primitives for React, developed collaboratively by the creators of Material UI and Radix. Designed to serve as the bedrock for modern design systems, Base UI emphasizes rock-solid WAI-ARIA accessibility, ergonomic state machines, and complete styling freedom with zero runtime overhead.