head to head · open source
dash vs sigma.js
dash has 24,476 GitHub stars, 2,335 forks, 480 open issues and last shipped yesterday. sigma.js has 12,215 stars, 1,619 forks, 12 open issues and last shipped 7 days ago. dash leads on adoption by 100% (24,476 vs 12,215 stars). dash is written in Python under MIT; sigma.js is written in TypeScript under MIT. dash has attracted 10% as many forks as stars, sigma.js 13%. 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
| dash | sigma.js | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 12K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-27 |
| Forks | ⑂ 2.3K | ⑂ 1.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick dash if
- You weight community size — 24K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick sigma.js if
- You want the sigma.js feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and sigma.js fits your workflow better
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…
About sigma.js
Website Documentation Storybook Mastodon [!NOTE] Sigma v4 is now available as an alpha release. See v4.sigmajs.org for the website, or the v4 branch for the source code. Sigma.js is an open source JavaScript library aimed at visualizing graphs of thousands of nodes and edges using WebGL, mainly developed by @jacomyal and @Yomguithereal, and built on top of graphology. How to use in your project To integrate sigma into your project, follow these simple steps: 1. Installation: Add sigma and graphology to your project by running the following command: 2. Usage: Import sigma into your JavaScript or TypeScript file…
read the full sigma.js overview →
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Frequently asked questions
Is dash or sigma.js more popular?
dash has 24,476 GitHub stars and sigma.js has 12,215. dash has the larger community by that measure.
Are dash and sigma.js free?
Both are open source. dash is licensed under MIT and sigma.js under MIT. Neither carries a licence fee.
What is the difference between dash and sigma.js?
dash is written in Python and sigma.js 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, dash or sigma.js?
Choose dash if you want the larger community (24,476 stars) or its MIT licence terms. Choose sigma.js if its feature set, stack or MIT licence fits better. Both are self-hostable.