Headless & Unstyled Primitives

Radix UI

radix-ui/primitives

Trending (detected automatically)Popular

Widely used accessible React primitives; the original foundation of shadcn/ui.

Base UI

mui/base-ui

Trending

Unstyled React components from the Radix, MUI and Floating UI creators; now shadcn/ui's default base.

React Aria

adobe/react-spectrum

Trending (detected automatically)Rising

Adobe's hooks and components with best-in-class accessibility and i18n; also a shadcn/ui base option.

Headless UI

tailwindlabs/headlessui

Unstyled, accessible components for React and Vue from the Tailwind CSS team.

Ark UI

chakra-ui/ark

Headless components built on Zag state machines for React, Vue, Solid and Svelte.

Ariakit

ariakit/ariakit

Low-level, composable accessible React primitives that follow WAI-ARIA closely.

Reka UI

unovue/reka-ui

Accessible headless primitives for Vue (formerly Radix Vue); powers shadcn-vue and Nuxt UI.

Bits UI

huntabyte/bits-ui

Headless, accessible component primitives for Svelte 5; the foundation of shadcn-svelte.

Floating UI

floating-ui/floating-ui

Popular

Positioning engine for tooltips, popovers and dropdowns that keeps floating elements in view.