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

A d3 heatmap for representing time series data similar to github's contribution chart

🔥 JavaScript Library for HTML5 canvas based heatmaps

React component for displaying activity data in a calendar (heatmap)

免费开源的 A股热力图｜A股大盘云图，各板块涨跌一眼可见

Declarative creation of composable visualization for Python (Complex heatmap, Upset plot, Oncoprint and more~)

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

Best Multi-Asset Correlation Heatmap & Risk Matrix for MetaTrader 2026

PyComplexHeatmap: A Python package to plot complex heatmap (clustermap)

An Obsidian plugin for displaying data in a calendar similar to the github activity calendar

OrderBook Heatmap visualizes the limit order book, compares resting limit orders and shows a time & sales log with live market data streamed directly from the Binance WS API. This was a short exploratory project. Keep in mind that a lot of work is needed for this to work in all market conditions.