head to head · open source
diagram-design vs datalens
diagram-design has 64,318 GitHub stars, 4,247 forks, 42 open issues and last shipped 2 days ago. datalens has 1,708 stars, 119 forks, 53 open issues and last shipped 2 months ago. diagram-design leads on adoption by 3,666% (64,318 vs 1,708 stars). diagram-design is written in HTML under MIT; datalens is written in PLpgSQL under Apache-2.0. diagram-design has attracted 7% as many forks as stars, datalens 7%. diagram-design was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| diagram-design | datalens | |
|---|---|---|
| GitHub stars | ★ 64K | ★ 1.7K |
| License | MIT | Apache-2.0 |
| Written in | HTML | PLpgSQL |
| Last push | 2026-11-01 | 2026-08-24 |
| Forks | ⑂ 4.2K | ⑂ 119 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick diagram-design if
- You weight community size — 64K stars and counting
- You want the MIT license terms
- Your stack matches HTML
- 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 diagram-design
Diagram Design Editorial diagrams your designer won't hate. New in 2.0 — the Loop: flywheels with a shared memory hub. The dashed lines are the write backs. New in 2.3: semantic system patterns and optional accessible motion, while static output stays the default. New in 2.5.10: ten more layout grammars — Sankey, fishbone, Wardley map, kanban, user journey, deployment, dependency graph, UML class, story map, and database schema. 39 editorial diagram types for Claude Code, Codex, Factory Droid, Pi, and Agent Skills compatible hosts. Self contained HTML + SVG. No shadows. No Mermaid slop. Semantic patterns…
read the full diagram-design overview →
About datalens
DataLens · DataLens is a modern business intelligence and data visualization system. It was developed and extensively used as a primary BI tool in Yandex and is also available as a part of Yandex Cloud platform. See also our roadmap, releases notes and community in telegram. Getting started Installing Docker DataLens requires Docker to be installed. Follow these instructions depending on the platform you use: macOS Linux Windows Note about Docker Compose: The new Docker Compose plugin is available as the docker compose v2 package on Ubuntu 20.04/22.04/24.04 from the base APT repository. The minimal…
read the full datalens overview →
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Frequently asked questions
Is diagram-design or datalens more popular?
diagram-design has 64,318 GitHub stars and datalens has 1,708. diagram-design has the larger community by that measure.
Are diagram-design and datalens free?
Both are open source. diagram-design is licensed under MIT and datalens under Apache-2.0. Neither carries a licence fee.
What is the difference between diagram-design and datalens?
diagram-design is written in HTML 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, diagram-design or datalens?
Choose diagram-design if you want the larger community (64,318 stars) or its MIT licence terms. Choose datalens if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.