Top COMPONENTS GitHub Repositories & Tools (2026)

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

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

AI-powered Storybook story generator — works with any framework, any design system, any LLM provider

Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

A React-based UI toolkit for the web

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

Radzen Blazor is the most sophisticated free UI component library for Blazor, featuring 145+ native components including DataGrid, Scheduler, Charts, and advanced theming with full support for Material Design and Fluent UI. If Radzen Blazor is useful to you, a ⭐ on GitHub helps other Blazor developers find it.

JavaScript Testing utilities for React

F´ - A flight software and embedded systems framework

The most awesome validation engine ever created for PHP

Unstyled, accessible UI components for your design System. Works in React, Vue, Solid, and Svelte.

Toasts and popups library written with SwiftUI

A pixel-perfect dev portfolio and shadcn registry.

A Next.js 16.3 music player demo showcasing Instant Navigations with Cache Components and Partial Prefetching.

UI5 Web Components - the enterprise-flavored sugar on top of native APIs! Build SAP Fiori user interfaces with the technology of your choice.

Kotlin wrappers for popular JavaScript libraries

React UI components of the Yamada, by the Yamada, for the Yamada built with React and Emotion.

A set of React components for the PatternFly project.