Best Open Source Alternatives to BigQuery

Compare the best free and open-source alternatives to BigQuery — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 6 alternatives

BigQuery

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BigQuery alternatives compared

Open-source alternatives to BigQuery, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Databend	9,489	Apache-2.0	DockerLinux	Yes	Nov 2026	Visit
Activeloop	9,264	Apache-2.0	Web	No	May 2026	Visit
CloudQuery	6,550	MPL-2.0	Web	No	Nov 2026	Visit
CrateDB	4,450	Apache-2.0	Web	No	Nov 2026	Visit
Hydra	3,044	Apache-2.0	Web	No	Feb 2025	Visit
Titan	487	Apache-2.0	Web	No	Mar 2025	Visit

Top open-source BigQuery alternatives

Databend9,489Apache-2.0

Databend is an open-source alternative to Snowflake that runs elastic SQL analytics and vector search directly on your own cloud object storage.

DockerLinux

vs BigQuery: a free, open-source option you fully control, licensed Apache-2.0.

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Activeloop9,264Apache-2.0

Activeloop Deep Lake is an open-source multimodal data lake for deep learning and vector retrieval, replacing Pinecone with unified object storage.

Web

vs BigQuery: a free, open-source option you fully control, licensed Apache-2.0.

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CloudQuery6,550MPL-2.0

CloudQuery replaces hosted ELT pipelines like Fivetran for cloud infrastructure data, syncing asset metadata into local SQL databases with full privacy.

Web

vs BigQuery: a free, open-source option you fully control, licensed MPL-2.0.

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CrateDB4,450Apache-2.0

CrateDB is an open-source distributed SQL database replacing cloud warehouses like Snowflake for real-time operational analytics, time-series, and search.

Web

vs BigQuery: a free, open-source option you fully control, licensed Apache-2.0.

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Hydra3,044Apache-2.0

Hydra is an open-source columnar PostgreSQL extension that replaces external warehouses like Snowflake with in-database analytics and zero ETL.

Web

vs BigQuery: a free, open-source option you fully control, licensed Apache-2.0.

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Best Open Source Alternatives to BigQuery

BigQuery

BigQuery alternatives compared

Top open-source BigQuery alternatives

The modern standard for Protobuf workflows

Mentoring for backend developers. Consulting for startups.

More alternatives to BigQuery

Titan