Looking for an open-source alternative to ClickHouse? Below are 2 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.
DuckDB is an analytical in-process SQL database management system that offers fast and efficient query processing for analytical workloads.
StarRocks is an open source, high-performance analytical database and query engine designed for sub-second analytics both on and off the data lakehouse. It excels in multi-dimensional analytics, real-time analytics, and complex ad-hoc queries, offering flexibility for a wide range of analytical scenarios as a Linux Foundation project.
The top picks from this list are Duckdb, StarRocks — all maintained, free to use, and self-hostable.
Yes. Every tool listed here is open source and free to use. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Most of the alternatives listed are self-hostable. Check each tool's page for hosting details, system requirements, and licensing terms.
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