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

# Working with specialized SDKs

> Explore specialized SDKs for 3D visualization, geospatial data, and Apache Spark integration.

<CardGroup cols={2}>
  <Card title="Reveal 3D SDK" icon="box" href="https://cognitedata.github.io/reveal-docs/docs/">
    Build interactive 3D visualizations and integrate industrial 3D models into your applications.
  </Card>

  <Card title="Geospatial SDK" icon="map" href="https://github.com/cognitedata/cognite-sdk-geospatial">
    Work with geospatial data and location-based features in Cognite Data Fusion.
  </Card>

  <Card title="Spark Data Source" icon="bolt" href="https://github.com/cognitedata/cdp-spark-datasource/blob/master/README.md">
    Connect Apache Spark with Cognite Data Fusion for large-scale data processing.
  </Card>
</CardGroup>