Render Mermaid Diagrams to SVG or ASCII Art – beautiful-mermaid
Render Mermaid diagrams as beautiful SVGs or ASCII art. Fast, themeable, zero DOM dependencies. Built for AI assistants and CLI tools.
Chart & Graph
Pure JavaScript Library for Inline Charts – Sparklines.js
Build inline line, bar, tristate, discrete, bullet, pie, and box charts with Sparklines.js. Vanilla JavaScript sparkline library with flexible data input and customization.
Line Chart With Grid Lines – Graphika.js
A JavaScript and HTML5 Canvas based graph & chart JavaScript library for creating line charts with grid lines on your web app.
Simple Modular JavaScript Chart Library – Billboard.js
Billboard.js is a simple, reusable, customizable, modular, flexible JavaScript chart library based on the famous D3.js library.
CSS Keyframe Animation Visualization & Debugging Library – Monorail.js
Visualize CSS animations as interactive graphs. Monorail.js extracts keyframes, shows easing curves, and lets you scrub through animation timelines.
Financial Data Visualization Library for JavaScript – VisionCharts
A zero-dependency JavaScript library for high-performance financial and economic charts. Supports technical indicators, recessions, and logarithmic scales.
Build Draggable Node Connections with the Power-Link Library
Create draggable, bezier-curve connections between DOM nodes with power-link. A zero-dependency JavaScript library for visual flows.
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.
Distribution Visualization JavaScript Library – Alphaswarm Charts
A JavaScript library for creating distribution plots that show individual data points with statistical overlays.
Create SVG Syntax Diagrams with JavaScript and d3.js – Railroad Diagram
A JavaScript library for creating professional railroad syntax diagrams with clean SVG output. Perfect for language documentation and grammar visualization.