Dekart

Open-source backend for Kepler.gl: Adds SQL support, map hosting, user management, Markdown to Kepler.gl.

• Supports BigQuery, Snowflake, Postgres, Amazon Athena and ClickHouse
• Designed for data scientists, data analysts and sales engineers working with geo data.
• Alternative to CARTO Builder, Foursquare Studio and BigQuery GeoViz.

How it works

Dekart is a self-hosted backend for Kepler.gl, built with Golang and React. It connects to your data warehouse, caches query results, and serves them to the frontend for visualization.

• BigQuery Examples
• Snowflake Examples
• Video: How to Create a Map in Dekart

Deployment Options

Dekart is single Docker container that can be deployed to any cloud provider or on-premises server. It requires a PostgreSQL database to store user data and Cloud Storage for caching query results.

👉 Documentation

Deployment Guides:

• Deploy to AWS/ECS (Terraform)
• Deploy to Google App Engine with Google IAP.
• Run with Docker

Support

• Slack Community
• Schedule a Demo

👉 If you like Dekart, make sure to star the repo!

License

This project is open source under the GNU Affero General Public License Version 3 (AGPLv3) or any later version.

Commercial Licenses Available

Copyright (c) 2025 Volodymyr Bilonenko