DataLens

Judgement

What it is

Complete system

What it does

Yandex's BI and data visualisation system, used as its main internal BI tool and offered in Yandex Cloud, released for self-hosting.

Adopt it when

You want a mature BI tool with strong dashboards and can run its Docker stack.

Watch out

Community and docs lean Russian, and pace of the open version depends on Yandex.

Ready for

Production-ready

Runs as

Self-hosted server and cloud service

Built with

TypeScript, Python and PostgreSQL

How established

Established: started 3 years ago, latest release v2.9.0.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: DataLens → runs on a microchip

How compilers were built, back to punched paper tape

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