Free

AI Elements

Copy-paste React components for AI chat and agent interfaces built on shadcn/ui and the AI SDK.

Ariakit

Headless, accessible React components and hooks for building your own design system.

assistant-ui

React chat and runtime primitives for building product-ready AI assistant interfaces.

Live React micro-interaction blocks you copy from the Code pane. MIT licensed, with no paid tier.

Bits UI

Headless, accessible Svelte 5 primitives for custom-styled component libraries.

coss ui

Copy-paste React components on Base UI and Tailwind, built as Cal.com's open design system.

Cult UI

Animated shadcn/ui-compatible React blocks for marketing and product surfaces.

Dice UI

Composable shadcn/ui React components for filters, tables, and app chrome.

EasyUI

Micro-animated React components installed through the official shadcn GitHub Registry.

Open-source animated React chart components for shadcn/ui, built on Recharts and Apache ECharts.

Copy-paste React components with functional motion, installed through the shadcn registry CLI.

Headless UI

Unstyled accessible primitives from Tailwind Labs for React and Vue.

Inspira UI

Copy-paste animated Vue and Nuxt components for marketing and product pages.

Intent UI

Accessible copy-paste React components built on React Aria and Tailwind.

Kibo UI

Open shadcn/ui registry of extra React blocks for AI and product apps.

Spring-physics micro-interactions for the web. Copy CSS or React snippets, tune the physics, and drop them into an app.

Kobalte

Headless, accessible Solid primitives for custom-styled component systems.

Kumo

Cloudflare's Base UI and Tailwind component library, installable via CLI and registry.

Motion Primitives

Copy-paste React animation primitives built with Motion.

Nuxt UI

Official Nuxt and Vue component library with Tailwind styling, now one free open-source kit.