Generate Customizable Heat Maps For Date-based Activities – Heat.js
A lightweight JavaScript library that generates customizable heat maps to visualize date-based activity and trends.
Chart & Graph
Visualize Time Series Data With μPlot Library
μPlot is a lightweight, interactive, scalable, high-performance chart library to visualize any time series data (a series of data points indexed in time order) using Canvas API.
Build Interactive Organization Charts with treeSpider JavaScript Library
A free, open-source JavaScript library for creating dynamic, responsive organization charts, family trees, and more. Built with D3.js.
Draggable & Resizable SVG Gantt Chart – Frappe Gantt
A draggable, resizable, multilingual, modern-looking Gantt Chart library written in JavaScript and SVG.
Responsive Customizable SVG Radar Charts in JavaScript – RadarChartJS
Create responsive and smooth radar charts with RadarChartJS.js, featuring dynamic resizing, custom styling, and SVG-based rendering.
Precise Precipitation Visualizations in JavaScript – RainSPOT.js
Display local rain data effectively with rainSPOTjs. This JavaScript library lets you generate meteoblue “rainSPOT” visualizations using SVG or Canvas. Perfect for weather and location-based apps.
Minimal JavaScript Gauge Library: No SVG/Canvas
Create simple gauge charts using only HTML, CSS, and JavaScript with SimpleGauge. Lightweight and easy to use, no SVG or Canvas required.
Basic Pie Chart In Pure JavaScript – ChartJS
A minimal data plotting library that lets you render a basic pie chart on an HTML5 canvas element.
Generate SVG-based Flowcharts From JSON Data – jsontr.ee
A JavaScript library to visualize JSON as tree diagrams (flowhcharts). Supports nested objects, arrays, and custom styles for clear data representation.
Create Visual Correlation Matrices Using Canvas – draw-correlation-matrix.js
Convert correlation data into visual matrices with circle size and color encoding. Uses JavaScript and HTML5 Canvas for clear data representation.