AwesomeDataviz

Viz.js

Graphviz compiled to WebAssembly for rendering DOT graphs in the browser and Node.js.

Website GitHubnpm
GitHub stars
4.3K
npm downloads / week
246.7K
Commits, last 12 months
89
Contributors
8
Last commit
Latest release
release-viz-3…Sep 28, 2026

Overview

Viz.js is an open-source JavaScript graph visualization library released under the MIT license. Its GitHub repository has 4,348 stars, 367 forks, and 8 contributors. It is actively developed with 89 commits in the last 12 months. The latest release, release-viz-3.31.0, was published on Sep 28, 2026. On npm it is downloaded about 246.7K times per week.

Its GitHub description: Graphviz in your browser

GitHub topics: javascriptgraphvizemscriptendot

Install

npm
npm install @viz-js/viz
v3.31.0

Development activity

Commits per month to the default branch over the last 12 complete months.

0102030 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
0102030 Oct 2025 Jan 2026 Apr Jul
89 commits from Oct 2025 to Sep 2026.
Show data as a table
MonthCommits
Oct 20253
Nov 202512
Dec 20258
Jan 20262
Feb 20262
Mar 20266
Apr 20266
May 20262
Jun 20264
Jul 20266
Aug 202612
Sep 202626

Popularity among JavaScript graph & network visualization libraries

xyflow 38.6K G6 12.3K Sigma.js 12.2K Cytoscape.js 11.2K Vue Flow 6.9K X6 6.7K Viz.js 4.3K
xyflow 38.6K G6 12.3K Sigma.js 12.2K Cytoscape.js 11.2K Vue Flow 6.9K X6 6.7K Viz.js 4.3K
GitHub stars for Viz.js and the most-starred alternatives.
Show data as a table
ToolStars
xyflow38,584
G612,321
Sigma.js12,180
Cytoscape.js11,232
Vue Flow6,890
X66,716
Viz.js4,348

Alternatives to Viz.js

  • xyflow

    React Flow and Svelte Flow: libraries for building node-based editors, flow charts and interactive diagrams.

    38.6K starsTypeScriptMIT

  • G6

    Graph visualization library powered by Javascript & Typescript, maintained by Alibaba

    12.3K starsTypeScriptMIT

  • Sigma.js

    JavaScript library dedicated to graph drawing.

    12.2K starsTypeScriptMIT

  • Cytoscape.js

    JavaScript library for graph drawing maintained by Cytoscape core developers.

    11.2K starsJavaScriptMIT

  • Vue Flow

    Flowchart and node-based graph component for Vue 3.

    6.9K starsTypeScriptMIT

  • X6

    Diagramming library for DAGs, ER diagrams, flowcharts and other graph editors, maintained by Alibaba.

    6.7K starsTypeScriptMIT

Viz.js FAQ

Is Viz.js open source?

Yes. Viz.js is released under the MIT license, and its source code is on GitHub.

Is Viz.js still maintained?

Yes. Viz.js is actively developed, with 89 commits in the last 12 months and the latest commit 7 days ago.

How do I install Viz.js?

From npm: npm install @viz-js/viz.

What are the best alternatives to Viz.js?

The most popular alternatives listed in JavaScript graph & network visualization libraries are xyflow, G6, and Sigma.js. See the full ranking.

What language is Viz.js written in?

Viz.js is primarily written in JavaScript, according to GitHub.

Data: GitHub API, npm. Updated Oct 5, 2026.