> ## Documentation Index
> Fetch the complete documentation index at: https://cometchat-22654f5b-design-linden-theme.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

With CometChat's **UI Kit** for React, you can effortlessly build a chat app equipped with all the essential messaging features, along with customizable options tailored to your application requirements. This **UI Kit** comprises prebuilt UI components organized into smaller modules and components, each configurable to meet your specific needs.

<Frame>
  <img src="https://mintlify.s3.us-west-1.amazonaws.com/cometchat-22654f5b-design-linden-theme/images/849be39e-intro_web_screens-d1702576c4ab3f961a1937dcbca01a8b.png" />
</Frame>

<Card title="React Sample App" href="https://github.com/cometchat/cometchat-sample-app-react/tree/v4" horizontal="true" />

##### **Before Getting Started**

Before you begin, it's essential to grasp the fundamental concepts and features offered by CometChat's APIs, SDK, and UI Kit. You can find detailed information in [Key Concepts](/docs/fundamentals/key-concepts) documentation.

The React UI Kit offers pre-built components for easy integration into React applications, built on top of the [JavaScript Chat SDK](/docs/sdk/javascript/overview) Installing it also includes the core SDK functionalities.

To begin, please follow the [Getting Started](/docs/ui-kit/react/v4/getting-started) guide.