# Apache Druid: Free Open Source Alternative to Azure Data Explorer, BigQuery, RedShift

Canonical: https://caniforkit.com/fork/apache-druid
Last updated: 2026-11-07

Apache Druid (Open Source, Open Source) replaces Azure Data Explorer, BigQuery, RedShift, Snowflake. Columnar, time-indexed analytics database built for streaming and batch data at scale, handling billions to trillions of rows with millisecond query response times.

## Tool Specifications
- **Tool Name**: Apache Druid
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://druid.apache.org/
- **GitHub Repository**: https://github.com/apache/druid
- **GitHub Stars**: ★ 14.1k
- **Runs On**: Self-host
- **Maintenance Status**: nov 2026
- **Platforms**: web, self-hosted, docker to self-host
- **Data Storage**: All application data and configuration live on your own server or local database.
- **Installation**: Clone https://github.com/apache/druid or deploy with Docker Compose
- **Setup Requirements**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **The Catch / Limitation**: Requires self-hosting setup, updates, and server maintenance compared to managed Azure Data Explorer.

## Paid SaaS Applications Replaced (4)
Replacing these paid tools with Apache Druid saves up to $100/mo ($1,200/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Azure Data Explorer](https://caniforkit.com/azure-data-explorer) | [databases](https://caniforkit.com/category/databases) | $25/mo | [Compare Azure Data Explorer vs Apache Druid](https://caniforkit.com/vs/azure-data-explorer-vs-apache-druid) |
| [BigQuery](https://caniforkit.com/bigquery) | [hosting](https://caniforkit.com/category/hosting) | $25/mo | [Compare BigQuery vs Apache Druid](https://caniforkit.com/vs/bigquery-vs-apache-druid) |
| [RedShift](https://caniforkit.com/redshift) | [hosting](https://caniforkit.com/category/hosting) | $25/mo | [Compare RedShift vs Apache Druid](https://caniforkit.com/vs/redshift-vs-apache-druid) |
| [Snowflake](https://caniforkit.com/snowflake) | [databases](https://caniforkit.com/category/databases) | $25/mo | [Compare Snowflake vs Apache Druid](https://caniforkit.com/vs/snowflake-vs-apache-druid) |

## Frequently Asked Questions

### Is Apache Druid free and open source?
Apache Druid is an open source tool licensed under Open Source that runs on self-host. Columnar, time-indexed analytics database built for streaming and batch data at scale, handling billions to trillions of rows with millisecond query response times.

### What is the trade-off or limitation of using Apache Druid?
Requires self-hosting setup, updates, and server maintenance compared to managed Azure Data Explorer.

## Related

- [Self-Hosted Open Source Directory](https://caniforkit.com/self-hosted)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Software Categories Directory](https://caniforkit.com/categories)
- [Homepage](https://caniforkit.com)