AwesomeDataviz

vtk.js

JavaScript implementation of the Visualization Toolkit (VTK) for scientific visualization on the web.

Website GitHubnpm
GitHub stars
1.5K
npm downloads / week
284.9K
Commits, last 12 months
361
Contributors
142
Last commit
Latest release
v37.4.1Oct 3, 2026

Overview

vtk.js is an open-source JavaScript visualization library released under the BSD-3-Clause license. Its GitHub repository has 1,536 stars, 423 forks, and 142 contributors. It is actively developed with 361 commits in the last 12 months. The latest release, v37.4.1, was published on Oct 3, 2026. On npm it is downloaded about 284.9K times per week.

Its GitHub description: Visualization Toolkit for the Web

Install

npm
npm install @kitware/vtk.js
v37.4.1

Development activity

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

0255075 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
0255075 Oct 2025 Jan 2026 Apr Jul
361 commits from Oct 2025 to Sep 2026.
Show data as a table
MonthCommits
Oct 20254
Nov 202513
Dec 202522
Jan 20268
Feb 202659
Mar 202622
Apr 202627
May 202640
Jun 20265
Jul 202640
Aug 202662
Sep 202659

Popularity among JavaScript visualization libraries

blessed-contrib 15.8K Vega 12K Perspective 11.3K vue-echarts 10.8K Textures.js 6.1K vue-chartjs 5.7K vtk.js 1.5K
blessed-contrib 15.8K Vega 12K Perspective 11.3K vue-echarts 10.8K Textures.js 6.1K vue-chartjs 5.7K vtk.js 1.5K
GitHub stars for vtk.js and the most-starred alternatives.
Show data as a table
ToolStars
blessed-contrib15,775
Vega12,008
Perspective11,270
vue-echarts10,758
Textures.js6,088
vue-chartjs5,718
vtk.js1,536

Alternatives to vtk.js

  • blessed-contrib

    Terminal dashboards with charts, maps, gauges and tables, built with Node.js and ASCII/ANSI art.

    15.8K starsJavaScriptMIT

  • Vega

    Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs.

    12K starsJavaScriptBSD-3-Clause

  • Perspective

    Interactive analytics and visualization component for large and streaming datasets, built on WebAssembly.

    11.3K starsRustApache-2.0

  • vue-echarts

    Vue.js component for Apache ECharts.

    10.8K starsTypeScriptMIT

  • Textures.js

    A library to create SVG patterns.

    6.1K starsJavaScriptMIT

  • vue-chartjs

    Vue.js wrapper for Chart.js.

    5.7K starsTypeScriptMIT

vtk.js FAQ

Is vtk.js open source?

Yes. vtk.js is released under the BSD-3-Clause license, and its source code is on GitHub.

Is vtk.js still maintained?

Yes. vtk.js is actively developed, with 361 commits in the last 12 months and the latest commit yesterday.

How do I install vtk.js?

From npm: npm install @kitware/vtk.js.

What are the best alternatives to vtk.js?

The most popular alternatives listed in More JavaScript visualization libraries are blessed-contrib, Vega, and Perspective. See the full ranking.

What language is vtk.js written in?

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

Data: GitHub API, npm. Updated Oct 4, 2026.