---
title: Introduction
description: A modern registry of React and Next.js components, built on top of Base UI and beyond. Open source, accessible, customizable.
---

fab-ui provides a collection of production-ready components that you own completely. Install them directly into your project, customize them to your needs, and ship with confidence.

## Why fab-ui?

| Feature                   | Description                                                         |
| ------------------------- | ------------------------------------------------------------------- |
| **Built on Base UI**      | Leverages Base UI's headless, accessible primitives as a foundation |
| **Accessible by Default** | ARIA-compliant components with full keyboard navigation             |
| **CLI Installation**      | Install directly with shadcn CLI - components live in your codebase |
| **Full Ownership**        | No runtime dependency - copy, customize, and extend freely          |
| **TailwindCSS Styling**   | Modern utility-first styling with full customization                |
| **TypeScript Support**    | Fully typed components for better developer experience              |

## Philosophy

- **Ownership over dependency** - Components live in your codebase, not node_modules
- **Accessible first** - Built on proven accessibility patterns from Base UI
- **Minimal footprint** - No runtime overhead, just the code you need
- **Customization freedom** - Modify anything without fighting the library