Cube – open-source headless BI

In plain words

Cube is an open-source headless business intelligence platform that connects to SQL-based data sources like Postgres and BigQuery, then exposes metrics through REST, GraphQL, and SQL APIs. It's designed for developers who want to serve data metrics to downstream tools without building traditional BI dashboards. The platform offers broad connectivity across the data pipeline, allowing organizations to standardize how metrics are accessed and consumed across their applications.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

Hi HN, I'm Igor, a proud part of the team here at cube.dev. I'm excited to share some news about Cube, an open-source headless BI platform that now has almost universal connectivity to both upstream and downstream tools in the data pipeline: https://cube.dev/blog/expanded-bi-support If you're…

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