Sigma.js

sigmajs.org · checked 11 Oct 2026

#6 · Graph Visualization Tools Software #46 · Data Visualization Software

Visit sigmajs.org ↗ Alternatives Sigma.js vs Polinode

How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Graph Visualization Tools Software6.3#6 of 25

Sigma.js is a WebGL-powered JavaScript library for interactive graph visualization in the browser.

Pricing

MIT-licensed open-source libraryMIT License · browser graph visualization libraryFree

As sigmajs.org lists them, checked 11 Oct 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: sigmajs.org
Price: Free tier
Free trial: Not stated
Bundle limit: The browser bundle documentation says the bundle includes the whole library and recommends the npm package when production bundle size matters because bundlers can tree-shake unused code.
Companion packages: Companion packages provide Leaflet and MapLibre map layers, custom WebGL layers, node rendering options, and image export.
Compatibility limit: The browser bundle documentation says TypeScript-only exports, including interfaces and type aliases, are unavailable at runtime.
Customization: The documentation says users can customize how graph attributes map to visual properties through its styles and primitives system.
Dashboard type: interactive
Data sources: Graphology graph data; CSV can be processed with Graphology before rendering
Embedded dashboards: Yes
Frameworks: The homepage says Sigma.js works with React, Angular, Vue, or vanilla JavaScript.
Graph algorithms: Layouts, metrics, and community detection are available through Graphology’s standard library.
Graph input: The Sigma API takes a Graphology graph, a DOM container, and an optional options object.
Graphology: Sigma.js is built on Graphology, which it requires as its graph data structure.
Installation: The quickstart documents installation through a CDN or package managers including npm and Yarn.

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