> ## Documentation Index
> Fetch the complete documentation index at: https://docs.quickblox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

> Learn how to add QuickBlox to your app and send your first message.

<CardGroup>
  <Card title="iOS" icon="apple">
    Learn how to add QuickBlox to your iOS app and send your first message.<br />

    <a className="inline-link" href="/sdks/ios-quick-start" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="rocket" /> QuickStart
    </a>

    <br />

    <a className="inline-link" href="https://github.com/QuickBlox/quickblox-ios-sdk/archive/master.zip" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="download" /> Download samples
    </a>

    <br />

    <a className="inline-link" href="https://github.com/QuickBlox/quickblox-ios-sdk" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="github" /> View on GitHub
    </a>
  </Card>

  <Card title="Android" icon="android">
    Learn how to add QuickBlox to your Android app and send your first message.<br />

    <a className="inline-link" href="/sdks/android-quick-start" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="rocket" /> QuickStart
    </a>

    <br />

    <a className="inline-link" href="https://github.com/QuickBlox/quickblox-android-sdk/archive/master.zip" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="download" /> Download samples
    </a>

    <br />

    <a className="inline-link" href="https://github.com/QuickBlox/quickblox-android-sdk" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="github" /> View on GitHub
    </a>
  </Card>

  <Card title="JavaScript" icon="js">
    Learn how to add QuickBlox to your web app and send your first message.<br />

    <a className="inline-link" href="/sdks/js-quick-start" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="rocket" /> QuickStart
    </a>

    <br />

    <a className="inline-link" href="https://github.com/QuickBlox/quickblox-javascript-sdk/archive/gh-pages.zip" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="download" /> Download samples
    </a>

    <br />

    <a className="inline-link" href="https://github.com/QuickBlox/quickblox-javascript-sdk" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="github" /> View on GitHub
    </a>
  </Card>

  <Card title="React Native" icon="react">
    Learn how to add QuickBlox to your React Native app and send your first message.<br />

    <a className="inline-link" href="/sdks/react-native-quick-start" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="rocket" /> QuickStart
    </a>

    <br />

    <a className="inline-link" href="https://github.com/QuickBlox/quickblox-react-native-samples/archive/master.zip" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="download" /> Download samples
    </a>

    <br />

    <a className="inline-link" href="https://github.com/QuickBlox/quickblox-react-native-samples/" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="github" /> View on GitHub
    </a>
  </Card>

  <Card title="Flutter" icon="flutter">
    Learn how to add QuickBlox to your Flutter app and send your first message.<br />

    <a className="inline-link" href="/sdks/flutter-quick-start" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="rocket" /> QuickStart
    </a>
  </Card>

  <Card title="Server API" icon="server">
    Learn how to add QuickBlox to your server app.<br />

    <a className="inline-link" href="https://docs.quickblox.com/reference/overview" style={{ display: 'inline-flex', alignItems: 'center', gap: '8px' }}>
      <Icon icon="rocket" /> QuickStart
    </a>
  </Card>
</CardGroup>