The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

The iconic SVG, font, and CSS toolkit

Simple HTML5 Charts using the <canvas> tag

PDF Reader in JavaScript

A browser based code editor

Most modern mobile touch slider with hardware accelerated transitions

Video.js - open source HTML5 video player

A markdown parser and compiler. Built for speed.

Client-side JavaScript PDF generation for everyone.

In-browser code editor (version 5, legacy)

JavaScript syntax highlighter with language auto-detection and zero dependencies.

A React framework for building text editors.

👌 Drag and drop so simple it hurts

In-browser Markdown editor

An HTML5 saveAs() FileSaver implementation

Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed

Open-source JavaScript charting library behind Plotly and Dash

Excel Workbook Manager

JavaScript image cropper.

JavaScript parser / mangler / compressor / beautifier toolkit

Tooltip, popover, dropdown, and menu library

Client/server side PDF printing in pure JavaScript

Knockout makes it easier to create rich, responsive UIs with JavaScript

A JavaScript PDF generation library for Node and the browser

A BPMN 2.0 rendering toolkit and web modeler.

The ProseMirror WYSIWYM editor

qr code generator

🇨🇳 汉字拼音 ➜ hàn zì pīn yīn

🎨 Classic MS Paint, ＲＥＶＩＶＥＤ + ✨Extras

A reusable charting library written in d3.js