head to head · open source
diagram-design vs dash
diagram-design has 64,318 GitHub stars, 4,247 forks, 42 open issues and last shipped 2 days ago. dash has 24,476 stars, 2,335 forks, 480 open issues and last shipped yesterday. diagram-design leads on adoption by 163% (64,318 vs 24,476 stars). diagram-design is written in HTML under MIT; dash is written in Python under MIT. diagram-design has attracted 7% as many forks as stars, dash 10%. dash 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 | dash | |
|---|---|---|
| GitHub stars | ★ 64K | ★ 24K |
| License | MIT | MIT |
| Written in | HTML | Python |
| Last push | 2026-11-01 | 2026-11-02 |
| Forks | ⑂ 4.2K | ⑂ 2.3K |
| 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 dash if
- You want the dash feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and dash 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 dash
Dash Dash is the most downloaded, trusted Python framework for building ML & data science web apps . Built on top of Plotly.js, React and Flask, Dash ties modern UI elements like dropdowns, sliders, and graphs directly to your analytical Python code. Read our tutorial (proudly crafted ❤️ with Dash itself). Docs: Create your first Dash app in under 5 minutes dash.gallery: Dash app gallery with Python & R code Dash App Examples To learn more about Dash, read the extensive announcement letter or jump in with the user guide. Dash OSS & Dash Enterprise With Dash Open Source, Dash apps run on your local laptop or…
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Frequently asked questions
Is diagram-design or dash more popular?
diagram-design has 64,318 GitHub stars and dash has 24,476. diagram-design has the larger community by that measure.
Are diagram-design and dash free?
Both are open source. diagram-design is licensed under MIT and dash under MIT. Neither carries a licence fee.
What is the difference between diagram-design and dash?
diagram-design is written in HTML and dash in Python. 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 dash?
Choose diagram-design if you want the larger community (64,318 stars) or its MIT licence terms. Choose dash if its feature set, stack or MIT licence fits better. Both are self-hostable.