ClickHouse

Fast open-source OLAP database

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ClickHouse is a fast open-source column-oriented database management system that allows generating analytical data reports in real-time using SQL queries. Capable of processing billions of rows in milliseconds.

Frequently Asked Questions

Is ClickHouse free and open source?

Yes, ClickHouse is open source. It is released under the Apache-2.0 license.

What can I use instead of Snowflake?

You can use ClickHouse as a free, open-source alternative to Snowflake.

Can I self-host ClickHouse?

Yes, ClickHouse can be self-hosted on your own server or cloud infrastructure.

What is ClickHouse written in?

It is built using C++, SQL.

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Project Details

Status Active
GitHub Stars 50,757
Forks 9,223
Open Issues 8,786
Last Commit Nov 5, 2026
License
Apache-2.0
Platforms
Self-hosted
Categories
Database Analytics Big Data

Alternative To

⇄ Snowflake

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