head to head · open source
diagram-design vs dtale
diagram-design has 64,318 GitHub stars, 4,247 forks, 42 open issues and last shipped 2 days ago. dtale has 5,237 stars, 448 forks, 71 open issues and last shipped 3 months ago. diagram-design leads on adoption by 1,128% (64,318 vs 5,237 stars). diagram-design is written in HTML under MIT; dtale is written in TypeScript under LGPL-2.1. diagram-design has attracted 7% as many forks as stars, dtale 9%. diagram-design was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (data-visualization), 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
| diagram-design | dtale | |
|---|---|---|
| GitHub stars | ★ 64K | ★ 5.2K |
| License | MIT | LGPL-2.1 |
| Written in | HTML | TypeScript |
| Last push | 2026-11-01 | 2026-07-24 |
| Forks | ⑂ 4.2K | ⑂ 448 |
| 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 dtale if
- You want the dtale feature set and don't need the biggest community
- You prefer the LGPL-2.1 license terms
- Your stack matches TypeScript
- You evaluated both and dtale 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 dtale
Live Demo Animated US COVID 19 Deaths By State 3D Scatter Chart Surface Chart Network Analysis What is it? D Tale is the combination of a Flask back end and a React front end to bring you an easy way to view & analyze Pandas data structures. It integrates seamlessly with ipython notebooks & python/ipython terminals. Currently this tool supports such Pandas objects as DataFrame, Series, MultiIndex, DatetimeIndex & RangeIndex. Origins D Tale was the product of a SAS to Python conversion. What was originally a perl script wrapper on top of SAS's insight function is now a lightweight web client on top of Pandas data…
read the full dtale overview →
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Frequently asked questions
Is diagram-design or dtale more popular?
diagram-design has 64,318 GitHub stars and dtale has 5,237. diagram-design has the larger community by that measure.
Are diagram-design and dtale free?
Both are open source. diagram-design is licensed under MIT and dtale under LGPL-2.1. Neither carries a licence fee.
What is the difference between diagram-design and dtale?
diagram-design is written in HTML and dtale in TypeScript. 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 dtale?
Choose diagram-design if you want the larger community (64,318 stars) or its MIT licence terms. Choose dtale if its feature set, stack or LGPL-2.1 licence fits better. Both are self-hostable.