mui

base-ui

Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.

9.7k stars438 forks32 watchers309 open issuesTypeScriptMIT

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EDITOR'S TAKE

New library from the MUI team in 2026, similar philosophy to Radix Primitives — unstyled accessible components. ~3.7M weekly downloads in early 2026 and moving fast. Worth watching if you hit Radix limitations on complex components like Combobox or multi-select.

Use this if

You are starting a new design system and want the most actively maintained primitive layer right now.

Skip if

You are already deep in Radix or shadcn — migration cost is real, no urgency to switch.