Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.
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A JavaScript library aimed at visualizing graphs of thousands of nodes and edges
HTML5 canvas based smooth signature drawing
The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.
draw.io is a JavaScript, client-side editor for general diagramming.
A renderer agnostic two-dimensional drawing api for the web
Web Crawler/Spider for NodeJS + server-side jQuery ;-)
Simple flow library 🖥️🖱️
A JavaScript API for drawing unconventional text effects on the web.
Online collaborative Whiteboard that is simple, free, easy to use and to deploy
A curated list of awesome HTML5 Canvas with examples, related articles and posts.
Easily add "zoom on hover" functionality to your site's images. Lightweight, no-dependency JavaScript.
The RAW rational numbers library written in JavaScript
A package to draw maps in javascript
Type-safe DHCPv4 client, server, relay-aware watcher, and packet tools for Node.js
Parse NMEA 0183 GPS/GNSS sentences, streams, and navigation state in Node.js or browsers
The RAW Complex.js is a complex numbers library written in JavaScript
Fast arbitrary-length and infinite-complement bit sets with ranges, iteration, and bitwise operations
The RAW JavaScript Quaternion library
The RAW JavaScript library to work with polynomials
Create HTML canvas graphics without writing code. Just draw with your pointer on the HTML canvas, then get the code to render it.
A hybrid LaTeX code + rich-text editor. It seamlessly syncs a rich-text What You See Is What You Get (WYSIWYG) view with raw LaTeX source code, featuring real-time KaTeX math preview and one-click PDF export via online compilers.
A package to searching courses - Super Mario Maker
A secure, client-side tool to broadcast a signed Bitcoin (BTC) transaction from an air-gapped wallet. Fetch UTXOs, regenerate QR codes, and submit raw hex transactions safely.