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A little curiosity. A world of open source.
THE FIRST COLLECTIONOpen-source front-end quality system with 385 rules across 11 categories (HTML, CSS, JavaScript, performance, accessibility, SEO, security, images, testing, privacy, i18n). Supports web browsing, MCP server integration for AI agents, and skills-based workflows.
Happy DOM is a JavaScript implementation of a web browser's DOM without a graphical user interface, designed so browser-style code and component tests can run in runtimes like Node.js and Bun.
EasySpider (易采集) is a free visual browser automation and web scraping tool with a no‑code GUI, command‑line mode, flowchart‑style task design, looping, conditional branches, OCR, custom JS/Python, MySQL output, scheduled and parallel runs, IP pool switching, and AGPL‑3.0 license; featured at WWW 2023 with a patent and a Zhejiang University thesis.
Lumen is a private and lightweight web browser with its own engine, written from scratch in Rust without using Chromium or WebKit wrappers.
