wa0x6e/cal-heatmap

Cal-Heatmap is a javascript charting library to create a time-series calendar heatmap

TypeScript

3,127

1,342 commits

updated Sep 12, 2026

cal-heatmap.com

See the code

README

Cal-HeatMap

Cal-Heatmap is a javascript charting library to create a time-series calendar heatmap

This library will help you to chart a calendar heatmap, like the Github contribution calendar appearing on each github user's page, but with more features like:

🔀 animated date navigation
⏳ time interval customisation
🗓️ full controls on the layout/UI
🌐 locale and timezone support
⚡ plugins system
🖥️ broad browsers support
🔚 right-to-left support
♾️ and many more...

See documentation website for full documentation and more examples.

License

Cal-Heatmap is licensed under a MIT License.

calendar

calendar-heatmap

chart

d3js

javascript

series-data

Project health

Overall

2.8/10

Maintained

0/10

Code review

0/10

OpenSSF Scorecard

npm

cal-heatmap

Latest release

4.2.4 · Dec 29, 2023

Releases this year

Significant stargazers

silverwind

670 followers · starred Mar 2024

mscdex

1,260 followers · starred Jul 2013

Cédric Bonhomme

256 followers · starred Dec 2025

Kevin Decker

486 followers · starred Jul 2013

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wa0x6e/cal-heatmap

Cal-Heatmap is a javascript charting library to create a time-series calendar heatmap

TypeScript

3,127

1,342 commits

updated Sep 12, 2026

cal-heatmap.com

See the code

README

Cal-HeatMap

Cal-Heatmap is a javascript charting library to create a time-series calendar heatmap

This library will help you to chart a calendar heatmap, like the Github contribution calendar appearing on each github user's page, but with more features like:

🔀 animated date navigation
⏳ time interval customisation
🗓️ full controls on the layout/UI
🌐 locale and timezone support
⚡ plugins system
🖥️ broad browsers support
🔚 right-to-left support
♾️ and many more...

See documentation website for full documentation and more examples.

License

Cal-Heatmap is licensed under a MIT License.

calendar

calendar-heatmap

chart

d3js

javascript

series-data

Project health

Overall

2.8/10

Maintained

0/10

Code review

0/10

OpenSSF Scorecard

npm

cal-heatmap

Latest release

4.2.4 · Dec 29, 2023

Releases this year

Significant stargazers

silverwind

670 followers · starred Mar 2024

mscdex

1,260 followers · starred Jul 2013

Cédric Bonhomme

256 followers · starred Dec 2025

Kevin Decker

486 followers · starred Jul 2013

Similar repos

uiwjs/react-heat-map

A lightweight calendar heatmap react component built on SVG, customizable version of GitHub's…

285

nikolaydubina/calendarheatmap

📅 Calendar heatmap inspired by GitHub contribution activity

410

danvk/dygraphs

Interactive visualizations of time series using JavaScript and the HTML canvas tag

3,244

pa7/heatmap.js

🔥 JavaScript Library for HTML5 canvas based heatmaps

6,384

nhn/tui.calendar

🍞📅A JavaScript calendar that has everything you need.

12,693

square/cubism

Cubism.js: A JavaScript library for time series visualization.

4,928

visjs/vis-timeline

📅 Create a fully customizable, interactive timelines and 2d-graphs with items and ranges.

2,567

frappe/charts

Simple, responsive, modern SVG Charts with zero dependencies

15,085