12 Open-Source UI Libraries Compared: A Guide to Find Your Best UI Match

TL; DR:

Web frameworks such as React, Tailwind CSS, MUI, and Chakra UI offer comprehensive UI libraries that enable seamless development while preserving user freedom. Most of them are open-source, ensuring seamless access to high-quality features. Some also include pro versions with advanced or premium features, providing greater scalability for your website development.

• Copy-paste simplicity with zero setup: HyperUI, DaisyUI, Shadcn
• Full styling freedom with logic only: Headless UI, Radix UI, HeroUI
• Enterprise-grade, data-heavy UIs: Ant Design, MUI, PrimeReact
• Components with rich hooks & theming: Mantine, Chakra UI, DaisyUI
• Tailwind-native with modern tooling: Flowbite, DaisyUI, HeroUI

As the ecosystem grows, choosing the right UI library is no longer just about popularity. A library that works well for faster projects may feel limiting as your app grows. On the other hand, more flexible options often require additional setup early on. Therefore, it’s necessary to understand the design philosophy, level of customization, design consistency, and other factors to choose the right UI library for your workflow.

In this blog, we’ll dive into the handpicked list of the best open-source UI libraries in 2026.  

By the end of your reading, you’ll get a clear concept of the core differences and strengths of these libraries, which can help you select the right one for your next project.

How we selected these UI libraries

We curated this list based on the following criteria:

• Regular updates
• Active Community Support
• Real-world applications
• Developer Experience
• Ease of use & maintained codebases

Additionally, the list balances popularity with practicality, featuring both top libraries and established enterprise-grade solutions, as well as specialized tools.

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The Most Sensible Open-Source Tailwind UI Library – Hummingbird is live!

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Open-Source UI Libraries: A Quick Overview

Open-source UI libraries are freely available collections of interface components whose source code is publicly accessible. Unlike proprietary solutions, you can inspect, modify, and contribute to them without licensing restrictions.  

Why Use Open-Source UI?

Open-source UI libraries come with a set of practical advantages worth understanding before you pick one. Such as — 

• Community-driven quality: Libraries like React, Tailwind CSS, and shadcn/ui are battle-tested by thousands of developers across diverse projects. Bugs get caught faster, features evolve organically, and solutions reflect real-world needs rather than vendor assumptions.  

• Transparency and control: You can read the exact code running in your application, audit security yourself, and customize components without waiting for vendor approval. No black boxes, no vendor lock-in, no surprise pricing changes.  

• Cost and flexibility: They provide zero licensing fees, unlimited customization, and the freedom to fork if your needs diverge. When issues arise, active communities on GitHub and Discord often provide faster support than traditional tickets.  

Therefore, open-source UI libraries provide production-grade tools without the constraints of proprietary software, ensuring compliance with standards.

Since we have a basic understanding of open-source UI libraries, we’ll move on to the curated list of the top ones. Let’s get started!

Headless UI

Headless UI is an unstyled component library built by the creators of Tailwind CSS. The open-source UI library leverages logic-ready UI components, eliminating styling constraints. Additionally, it offers lightweight, flexible, and production-ready solutions for a wide range of design requirements. 

Developer Experience with Headless UI

Available Components

• Limited but focused component set (20+ components)
• Covers essential interactive components: modals, dropdowns, toggles, tabs

Framework Support

• Available for React and Vue.js
  #for React
npm install @headlessui/react
#for Vue
npm install @headlessui/vue
• Smoothly integrates with modern SSR frameworks (Next.js, Nuxt.js, etc.)

Customization Practice

• Complete design control
• Immediate component access after installation
  npm install @headlessui/vue
/*main.css file*/
import { Input } from '@headlessui/react'
function Example() {
  return <Input name="full_name" type="text" />
}
  This code builds an input section, where you could use the Input component instantly after the installation.
  
• Custom styling through className props and CSS-in-JS method
  import { Button } from '@headlessui/react'
export default function Example() {
  return (
    <Button className={customStyle}>
      Click me
    </Button>
  )
}
  Like CSS-in-JS, this code calls the Button in a function and lets you style it with the className props. 

Learning Curve & API

• Deeper CSS knowledge and design concepts 
• Beginner-friendly Documentation
• Consistent API across all components 
• Predictable naming conventions 
• Requires compound component pattern knowledge 

TypeScript Support 

• Excellent TypeScript support out of the box 
• Full type definitions included 
• Generic components support proper typing 
• IntelliSense works perfectly in VS Code 

Accessibility (a11y) & Performance

• Lightweight & efficient
• Reduces your bundle size by shipping with no CSS
• Consistent ARIA, keyboard navigation & screen reader support

When to Choose Headless UI

Flowbite

Flowbite is a UI library that offers both open-source and pro versions and supports native Tailwind CSS projects. It provides modern UIs, typography, RTL support, and DataTables for a seamless developer experience. Moreover, the latest Flowbite offers new AI tools utilizing LLMs, along with additional modern tools. 

Developer Experience with Flowbite

Available Components 

• Limited free components (over 56 UIs) 
• Advanced components require Flowbite Pro

Flowbite Pro: The Pro version offers two types of editions. 

1. Developer Edition, recommended for professional and enterprise-level development. This edition features a variety of UI blocks, core UI components, admin dashboards, landing pages, Figma file editing, and more.  

2. Design Edition, which provides a comprehensive design system with an upgraded Figma toolkit. It features variants, a style guide, auto-layout, and more. 

Here’s the pricing table for the different editions: 

Community Edition	Developer Edition	Designer Edition
Free & Open-Source	Buy at 299$	Buy at 169$

Framework Support

• Native compatibility through framework-specific packages
• Framework-specific implementation. Example:
   #For React
npx create-flowbite-react@latest;
#For Next.js
npx create-flowbite-react@latest -t nextjs;

Customization Practice

• Uses native CSS variables for natural customization
• Requires post-installation setup by importing the Flowbite plugin in the main CSS [input.css] file
  # index.css file
@import "tailwindcss";
@plugin "flowbite/plugin";
@source "../node_modules/flowbite";
• Offers many variable namespaces for custom styling
   Example: Variable namespace for colors: --color-{name}
@theme {
--color-primary-100: #eff6ff;
--color-primary-200: #dbeafe;
}
  This is a list of two custom colors attributed to the primary variable name. The utility class names, such as bg-primary-100 will now use these colors with Tailwind.

Learning Curve & API

• Basic to moderate Tailwind CSS customization
• Straightforward API for easy component switching 
• Built on plain HTML & Tailwind, no deep abstraction layers

TypeScript Support

• Written in JS with optional TypeScript Support
• Features built-in type declarations for all components
• Works as pure JavaScript without TypeScript
  Example:
  #Flowbite without TypeScript
import { Modal } from 'flowbite'
const modal = new Modal(element, options);      // No types required
#Flowbite with TypeScript
import { Modal } from 'flowbite'
import type { ModalOptions, ModalInterface } from 'flowbite'
const modal: ModalInterface = new Modal(element, options);     // Types enforced
  Hence, Flowbite does not depend entirely on TypeScript to function.

 Accessibility (a11y) & Performance

• All components follow WCAG (Web Content Accessibility Guidelines)
• Robust feature support:
  – Typography
  – RTL
  – HUGO integration (a static site generator with taxonomy-based file organization) 
  – Rapid asset pipeline
• AI-driven component generation with the latest LLM feature.

When to Choose Flowbite

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DaisyUI

It is another popular open-source UI library that works through the Tailwind CSS plugin. The component library adds semantic class names to Tailwind CSS without compromising its utility-first approach.  It’s also a framework-agnostic UI library that works everywhere Tailwind CSS is supported.  

Developer Experience with DaisyUI

Available Components 

• Offers over 63+ free components (59 unique) 
• All components are free and open-source 
• Elements are built considering accessibility

Framework Support

• Works with any framework supporting Tailwind CSS 
• Easier to migrate between frameworks 
• Simple setup with plugin installation. 
  #app.css file
@import "tailwindcss";
@plugin "daisyui";

Customization Practice

• Uses Tailwind’s native configuration
• CSS custom properties for hassle-free customization
  Example1:
  <button className="px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 focus:outline-none focus:ring-2 focus:ring-blue-300">
Click me 
</button>
  Example2:
  <button className="btn btn-primary">
Click me 
</button>
  Example1 uses multiple Tailwind utility classes to style the button, which can clutter the markup and reduce readability. Whereas Example2, with btn btn-primary from daisyUI abstracts the styles into semantic class names, making the code cleaner, more readable, and easier to maintain.
• Built-in theme support with 38 different themes (like cupcake, dark, dracula, etc.)
• Includes base styles, utilities, and variables for practical usage of the library
• Offers Theme Generator tool to design & export custom themes

Learning Curve & API

• Gentle learning curve for Tailwind CSS users
• Class-based API with no extra props or JS to learn
• Semantic, accessible class names that are easy to remember
• Basic understanding of semantic HTML and framework setup required

TypeScript Support

• No additional type definitions required
• Uses standard HTML attributes and CSS classes

Accessibility (a11y) & Performance

• Enhanced accessibility and simplicity 
• Zero third-party dependencies
• WCAG-friendly & improved ARIA-attributes roles
• Fully compatible with Tailwind CSS v4
• Instant theme switching via data-theme attribute, without altering the code

When to Choose DaisyUI

HyperUI

The next one is HyperUI. The library contains ready-to-use components built for Tailwind CSS projects. Simply copy the UIs directly into your project without installing any additional packages or dependencies. Besides, it’s a fast, lightweight solution ideal for prototypes and straightforward layouts.

Developer Experience with HyperUI

Available Components 

• 200+ free components with categorized libraries
• Written in plain HTML with utility classes 
• No JavaScript or framework dependency

Framework Support 

• Copy-paste integration, no installation needed
• Compatible with any frontend framework using Tailwind CSS

Customization Practice 

• Simple customization by editing utility classes or Tailwind config
• No additional theming, variant, or styling API required
  #a HyperUI component
<button class="inline-flex items-center rounded bg-indigo-600 px-4 py-2 text-white hover:bg-indigo-700">
  Click me
</button>
#Customized by directly editing Tailwind classes
<button class="inline-flex items-center rounded bg-emerald-500 px-6 py-3 text-white hover:bg-emerald-600">
  Custom Button
</button>

Learning Curve & API

• Low learning curve
• No built-in JS API
• Beginner-friendly with Tailwind basics  

TypeScript Support 

• No TypeScript support needed (since it’s markup)
• Usable in any TypeScript-based project

Accessibility (a11y) & Performance 

• No setup required
• Skips repetitive work of designing base UI code
• Provides flexibility with editable open-source codes

When to Choose HyperUI

HeroUI

HeroUI (formerly NextUI) is a React UI library built on Tailwind CSS and React Aria, offering a variety of accessible, logic-ready components. With over 99k weekly downloads, the UI library is well-supported and growing. It provides fully styled, accessible React components that integrate seamlessly with Tailwind and help you build UIs faster, without sacrificing performance or customization.

Developer Experience with HeroUI

Available Components

• 50+ core UI components & patterns
• Community-driven regular updates 

Framework Support

• Compatible only with React 
• Works with Next.js, Vite, Remix 
• CLI for automated npm-based installation
  Example:
  #CLI installation
npx heroui-cli@latest upgrade --all --beta  
#Manual installation
npm install @heroui/react@beta  

Customization Practice 

• Built on Tailwind CSS utility classes for easy styling customization 
• Supports CSS-in-JS and styled-components patterns 
• Theme-based customization through configuration files and the heroui plugin
• Component-level style overrides using className props
  <CircularProgress 
      classNames={{ 
        svg: "w-36 h-36 drop-shadow-md",
        indicator: "stroke-white", 
        track: "stroke-white/10", 
        value: "text-3xl font-semibold text-white", 
      }} 
      value={70} 
      strokeWidth={4} 
      showValueLabel={true} 
/>
  Here, the component slots: svg, indicator, track, and value were customized using the classNames props that create a custom CircularProgress component overriding the styles.

Learning Curve & API

• Moderate learning curve 
• Familiarity with React & Tailwind CSS is a plus
• Consistent API patterns across components
• Well-documented API with clear prop interfaces

TypeScript Support 

• Fully-typed TypeScript API
• Type-safe theme customization 
• Strong type definitions for props & callbacks 
• Complete IntelliSense & compile-time error detection

Accessibility & Performance

• WCAG compliant with proper ARIA attributes
• Default keyboard navigation & screen reader support
• Zero runtime styles – all CSS generated at build time
• Optimized animations via Framer Motion
• Individual package installation reduces bundle size

When to Choose HeroUI

MUI

MUI (Material UI) is a comprehensive React component library, boasting 93K+ GitHub stars and powering thousands of production apps. Unlike Tailwind CSS component libraries, MUI provides enterprise-grade components with Material Design principles baked in. Its framework-like capabilities often lead to confusion with CSS frameworks. However, at its core, MUI is a component library that offers an advanced solution for UI/UX design, positioning itself as an all-in-one solution for React applications that need polish, consistency, and scalability.

Developer Experience with MUI

Available Components

• 80+ components covering most UI needs
• Advanced features requiring Pro or Premium licenses
• Layout components with a responsive grid system 
• Icons library with 2000+ Material Design icons 

Framework Support

• React-focused framework compatibility
• Built-in support for Next.js App Router and Pages Router
• SSR support with proper configuration
• React 19 required for the latest versions (MUI v6+)

Customization Practice

• Customization via sx prop (inline styling), styled() API, or theme-aware styling
  <Button sx={{ 
backgroundColor: 'primary.main', 
borderRadius: 4 
}}>
  Custom Button
</Button>
  Here, we declared a JavaScript object using the theme-aware value primary.main inside the sx prop. So, the button gets a background color from MUI theme (theme.palette.primary.main). It ensures color consistency across the app.
• Offers global customization using createTheme ()
  const theme = createTheme({
  palette: {
    primary: {
      main: '#1976d2',
    },
  },
});
  This will create a new theme named “theme” with the declared color palette.
• Theme-based customization with createTheme()

Learning Curve & API

• Moderate to steep learning curve
• React props & component pattern is required
• Standardized slot pattern with consistent API

TypeScript Support

• Comprehensive type definitions
• Full IntelliSense support in modern IDEs
• Requires TypeScript 4.9 or higher for optimal type safety
• Type-safe theme customization and component props

Accessibility (a11y) & Performance

• Screen reader-friendly components
• Proper ARIA attributes & keyboard navigation
• Supports React Server Components (RSC)
• Tree-shaking support to reduce bundle size
• Zero-runtime CSS extraction at build time
• Container queries utility for responsive designs

When to Choose MUI

Chakra UI

It is another comprehensive React component library with advanced components, including a combobox and a download trigger. The component library is popular for its variety of charts. Besides, Chakra UI is built with developer experience in mind and fully supports TypeScript. 

Developer Experience with Chakra UI

Available Components

• Comprehensive library with 70+ components
• Advanced enterprise-grade components

Framework Support

• React-only library with full Next.js support
• Supports App Router and RSC
• Works seamlessly with SSR frameworks

Customization Practice

• Direct styling through component props without CSS
• Built-in themes with tokens for global customization
• Reusable variant system for consistent styling
  import { Button } from ‘@chakra-ui/react’
  #Style props approach
<Button colorScheme="blue" size="lg" p={4}>
  Click me
</Button>

#Theme customization
import { createSystem, defaultConfig } from '@chakra-ui/react'
export const system = createSystem(defaultConfig, {
  theme: {
    tokens: {
      colors: {
        brand: { value: '#3182ce' }
      }
    }
  }})
  This code defines reusable theme tokens in Chakra UI and shows styling with props.

Learning Curve & API

• Moderate learning curve
• Steeper if unfamiliar with prop-based styling approach
• Consistent API patterns across all components
• Well-documented with clear examples

TypeScript Support

• Excellent IntelliSense & autocomplete
• Type-safe theme customization
• Exported prop types for extending components

Accessibility & Performance

• WAI-ARIA compliant 
• Automatic focus management 
• Zero runtime styles with an externalized styling engine
• Native CSS animations (no Framer Motion dependency)

When to Choose Chakra UI

Ant Design

Ant Design (AntD) is a comprehensive React UI component library designed for enterprise-level applications. It offers a polished design system, rich component set, and strong internationalization support. Built and maintained by Alibaba, it provides high-quality defaults and robust TypeScript support, making it ideal for business dashboards and complex workflows.

Developer Experience with Ant Design

Available Components

• 60+ high-quality, production-ready components
• Fully free and MIT-licensed components
  • Forms with built-in validation 
  • Tables with sorting/pagination
  • Charts (via AntV), DatePickers, Modals, Uploads, etc. 
  • RTL support, tree components, and layout utilities
• New upgrades: Enhanced semantic structure, improved Table with virtualization

Framework Support

• React-only library (React 19 recommended)
• Full Next.js support, including App Router & Server Components

Customization Practice

• Centralized theming using design tokens (colorPrimary, borderRadius)
• Applied globally via ConfigProvider
• Styles are generated at runtime with CSS-in-JS
  example:
  <ConfigProvider
  theme={{
    token: { colorPrimary: '#1DA57A' },
  }}
>
  <App />
</ConfigProvider>
  Here, changing the colorPrimary token updates the primary color across all components.

Learning Curve & API

• Moderate to steep learning curve
• Requires React & CSS-in-JS styling familiarity
• Consistent API patterns
• Detailed documentation

TypeScript Support

• Full TypeScript support with complete type definitions
• Excellent IntelliSense and autocomplete
• Strong type safety across all components
• Generic components support proper typing

Accessibility & Performance

• Partially WAI-ARIA-compliant with ongoing improvements
• v6 eliminates runtime overhead using CSS variables
• Tree-shaking support for reduced bundle size
• React Compiler enabled in bundled outputs

When to Choose Ant Design

Mantine

This is another React component library that offers more than 120 components. All the UIs are fully featured and include rich theming, hooks, form management, and accessibility out of the box. Also, the open-source UI library supports both server-side rendering and client-side apps, and integrates seamlessly with Vite and Next.js.

Developer Experience with Mantine

Available Components

• Comprehensive library
• 50+ hooks for common use cases
• Covers all essential UI patterns such as
  • Forms, Data Display, Navigation,
  • Feedback, Overlays, Typography, etc.

Framework Support

• React-only library (React 18+ required)
• Compatible with SSR frameworks (Next.js, Remix, etc.)

Customization Practice

• PostCSS-based styling with CSS modules
• Uses style props for quick prototyping
• Theme configuration through MantineProvider
import { Button, MantineProvider } from '@mantine/core'
// Theme customization
<MantineProvider
  theme={{
    primaryColor: 'blue',
    defaultRadius: 'md',
  }}
>
  <Button>Click me</Button>
</MantineProvider>

Learning Curve & API

• Moderate learning curve
• Easier for React developers familiar with hooks
• Comprehensive documentation with code playgrounds
• Predictable API patterns across components

TypeScript Support

• Full TypeScript support with complete type definitions
• Excellent IntelliSense & autocomplete
• Type-safe theme configuration

Accessibility & Performance

• Strong accessibility foundation
• Lightweight – minimal bundle size 
• Built-in dark theme support
• PostCSS-based styling

When to Choose Mantine

Radix UI

Radix UI is a headless React component library that provides unstyled, accessible primitives. While styled libraries come with pre-built designs, or copy-paste collections like Shadcn/ui with ready-made styles, Radix UI gives you the building blocks to create your own design system from scratch. You get WAI-ARIA compliance, keyboard navigation, and focus management out of the box, but styling is entirely your responsibility.

Developer Experience with Radix UI

Available Components

• 30 components + 5 utilities
• Recent additions – Form, OneTimePasswordField, PasswordToggleField 
• Foundation for Shadcn/ui & many libraries

Framework Support

• React-only (React 16.8+)
• Full SSR support
• Works with Next.js, Remix, Vite, Gatsby

Customization Practice

• Completely unstyled – behavior and accessibility only
• Granular access to each component part
• Composable with asChild prop
• Works with any styling approach (CSS Modules, Styled Components, Utilities)
  import * as Dialog from 'radix-ui'
// full control over styling
<Dialog.Root>
  <Dialog.Trigger className="your-btn-class">
    Open
  </Dialog.Trigger>
  <Dialog.Portal>
    <Dialog.Overlay className="your-overlay" />
    <Dialog.Content className="your-content">
      <Dialog.Title>Title</Dialog.Title>
         {/* Your content */}
    </Dialog.Content>
  </Dialog.Portal>
</Dialog.Root>

Learning Curve & API

• Moderate learning curve
• Steeper for developers new to headless UI
• Consistent API across all primitives
• Excellent documentation with accessibility details

TypeScript Support

• Full TypeScript support
• Fully-typed API
• Excellent IntelliSense
• Type-safe props

Accessibility & Performance

• Strong WAI-ARIA design pattern
• Zero styling overhead
• Tree-shakeable
• Minimal bundle – only behavior logic
• Handles accessibility edge cases automatically

When to Choose Radix UI

PrimeReact

PrimeReact is an enterprise-focused React component library with 80+ feature-rich components designed for data-heavy applications. It prioritizes comprehensive functionality over simplicity, offering advanced data tables, charts, trees, and complex form components out of the box. Also, it’s part of the PrimeTek ecosystem with commercial support options, making it a popular choice for corporate dashboards and admin panels.

Developer Experience with PrimeReact

Available Components

• Enterprise library with 80+ components
• Latest update offers – OrgChart, Gallery, CommandMenu, InputTags, DatePicker
• PrimeBlocks (400+ UI blocks), PrimeFlex, PrimeIcons included

Framework Support

• React-only library
• Next.js support with TypeScript templates
• Works with all React frameworks

Customization Practice

• Styled & unstyled modes
• Theme Designer with 500+ variables
• CSS modules for customization
  import { Panel } from 'primereact/panel'
import styles from './customPanel.module.css'

export default function CustomPanel() {
  return (
    <Panel header="Custom Header" className={styles.myPanel}>
      <p>Content goes here</p>
    </Panel>
  )
}

Learning Curve & API

• Moderate to steep learning curve
• Well-documented with extensive examples
• Consistent API across components

TypeScript Support

• Full TypeScript support
• Complete type definitions
• Excellent IntelliSense

Accessibility & Performance

• Tree-shakeable imports
• Responsive and touch-optimized
• Keyboard navigation & screen reader support

When to Choose PrimeReact

Shadcn

Shadcn is a collection of reusable React components built on Radix UI primitives and styled with Tailwind CSS. Unlike traditional UI libraries that require npm installation, Shadcn lets you add 50+ pre-styled components directly to your codebase using a CLI tool. So, you own the code, customize freely, and avoid the dependency headaches while bridging the gap between building from scratch and being constrained by a package.

Developer Experience with Shadcn

Available Components

• 60+ official components
• Covers forms, data display, Spinner, Item & more
• Built on Radix UI or Base UI primitives
• Registry directory for community components

Framework Support

• React (Next.js, Vite, TanStack Start, v0)
• Vue version available (shadcn-vue)

Customization Practice

• Components live in your project
• Modify directly in files
• CSS variables or Tailwind utilities for theming
• CLI handles formatting based on the config

Learning Curve & API

• Low to moderate learning curve
• Requires Tailwind CSS & React familiarity
• Well-documented with CLI automation
• Understanding of Radix/Base UI is beneficial

TypeScript Support

• Full TypeScript support
• Type definitions included
• IntelliSense support
• Type-safe props

Accessibility & Performance

• Built on accessible primitives (Radix UI/Base UI)
• WAI-ARIA compliant with keyboard navigation
• Minimal bundle – only what you use
• Zero runtime overhead (pure Tailwind CSS)
• SSR/RSC compatible

When to Choose Shadcn

In conclusion, all of these libraries are actively maintained and offer modern features to speed up development. However, the best choice ultimately depends on your design goals and workflow. If you have a clear UI vision for your design, any of these libraries should work well.

Happy Creating!

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UI Libraries: Your Questions Answered

1. What is the difference between Open-source and Free? 

Open-source software methodologies prioritize collaboration and practical knowledge with publicly available source code, while free software prioritizes user freedom following the GNU General Public License. 

2. Can I Use Flowbite & Tailwind CSS Together? 

Yes, you can combine Flowbite and Tailwind CSS to generate UIs and integrate them into your own tech stack using LLMs and AI tools.

3. Can I use multiple UI libraries in one project?

Technically, yes, but not recommended. Using multiple UI libraries in a single project can increase bundle size, creating styling conflicts and making maintenance harder. So, it’s better to pick one primary library and build custom components for unique needs.

4. What’s the difference between headless UI libraries and component libraries? 

Headless libraries provide behavior and accessibility without styling. Component libraries offer pre-styled components or designs that are ready to use. 

• Headless = full control, but more work. 
• Component libraries = faster setup, but less flexibility.

5. Which library has the smallest bundle size? 

Generally, Headless libraries are small because they don’t include styles. Among styled libraries, Mantine is the most lightweight. Ant Design and PrimeReact are heavier due to their comprehensive features.