AwesomeDataviz

heatmap.js

Canvas-based library for rendering heatmaps, with plugins for Leaflet and Google Maps.

Website GitHubnpm
GitHub stars
6.4K
npm downloads / week
79.1K
Commits, last 12 months
0
Contributors
21
Last commit
Latest release
v2.0.5Sep 5, 2016

Overview

heatmap.js is an open-source JavaScript charting library released under the MIT license. Its GitHub repository has 6,385 stars, 1,313 forks, and 21 contributors. It has not had a commit since Feb 2, 2017. The latest release, v2.0.5, was published on Sep 5, 2016. On npm it is downloaded about 79.1K times per week.

Its GitHub description: 🔥 JavaScript Library for HTML5 canvas based heatmaps

GitHub topics: heatmapsdata-visualizationheat-mapsdatavizleafletgoogle-mapsleaflet-pluginsopenlayersangularjscanvasdensity-visualizationheatmap

Install

npm
npm install heatmap.js
v2.0.5

Development activity

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

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0 commits from Oct 2025 to Sep 2026.
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Popularity among JavaScript charting libraries

Chart.js 67.7K Apache ECharts 67.5K Plotly.js 18.4K ApexCharts 15.2K Frappe Charts 15.1K Chartist.js 13.4K heatmap.js 6.4K
Chart.js 67.7K Apache ECharts 67.5K Plotly.js 18.4K ApexCharts 15.2K Frappe Charts 15.1K Chartist.js 13.4K heatmap.js 6.4K
GitHub stars for heatmap.js and the most-starred alternatives.
Show data as a table
ToolStars
Chart.js67,736
Apache ECharts67,453
Plotly.js18,356
ApexCharts15,169
Frappe Charts15,088
Chartist.js13,390
heatmap.js6,385

Alternatives to heatmap.js

  • Chart.js

    Charts with the canvas tag.

    67.7K starsJavaScriptMIT

  • Apache ECharts

    Highly customizable and interactive charts ready for big datasets.

    67.5K starsTypeScriptApache-2.0

  • Plotly.js

    Powerful declarative library with support for 20 chart types.

    18.4K starsJavaScriptMIT

  • ApexCharts

    Modern & Interactive SVG Charts.

    15.2K starsJavaScriptOther

  • Frappe Charts

    Simple, responsive SVG charts with zero dependencies.

    15.1K starsJavaScriptMIT

  • Chartist.js

    Responsive charts with great browser compatibility.

    13.4K starsTypeScriptMIT

heatmap.js FAQ

Is heatmap.js open source?

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

Is heatmap.js still maintained?

It appears inactive: the latest commit was on Feb 2, 2017, over a year ago. It may still work well, but expect fewer fixes and updates.

How do I install heatmap.js?

From npm: npm install heatmap.js.

What are the best alternatives to heatmap.js?

The most popular alternatives listed in JavaScript charting libraries are Chart.js, Apache ECharts, and Plotly.js. See the full ranking.

What language is heatmap.js written in?

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

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