head to head · open source
Redash vs datalens
Redash has 28,800 GitHub stars, 4,624 forks, 805 open issues and last shipped 15 days ago. datalens has 1,702 stars, 117 forks, 53 open issues and last shipped 25 days ago. Redash leads on adoption by 1,592% (28,800 vs 1,702 stars). Redash is written in Python under BSD-2-Clause; datalens is written in PLpgSQL under Apache-2.0. Redash has attracted 16% as many forks as stars, datalens 7%. Redash was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (analytics, bi, business-intelligence), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Redash | datalens | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 1.7K |
| License | BSD-2-Clause | Apache-2.0 |
| Written in | Python | PLpgSQL |
| Last push | 2026-09-03 | 2026-08-24 |
| Forks | ⑂ 4.6K | ⑂ 117 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Redash if
- You weight community size — 29K stars and counting
- You want the BSD-2-Clause license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick datalens if
- You want the datalens feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches PLpgSQL
- You evaluated both and datalens fits your workflow better
About Redash
Redash is an open source business intelligence and data analytics platform built with Python and JavaScript. It enables users to connect to diverse data sources, write and execute SQL/NoSQL queries, build visualizations, and share interactive dashboards—all through a browser based interface.
read the full Redash overview →
About datalens
DataLens is an Apache 2.0 open source business intelligence and data visualization system. It lives in the data and analytics ecosystem, specifically within business intelligence and reporting, and it covers dashboards, SQL, reporting, and visualization. The project was developed and extensively used as a primary business intelligence tool in Yandex, and it is also available as part of the Yandex Cloud platform.
read the full datalens overview →
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Frequently asked questions
Is Redash or datalens more popular?
Redash has 28,800 GitHub stars and datalens has 1,702. Redash has the larger community by that measure.
Are Redash and datalens free?
Both are open source. Redash is licensed under BSD-2-Clause and datalens under Apache-2.0. Neither carries a licence fee.
What is the difference between Redash and datalens?
Redash is written in Python and datalens in PLpgSQL. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Redash or datalens?
Choose Redash if you want the larger community (28,800 stars) or its BSD-2-Clause licence terms. Choose datalens if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.