Open source. Open possibilities.

Lighthouse is an open-source tool for auditing web apps and pages to collect modern performance metrics and insights on developer best practices.

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.

Whistle is a cross-platform network packet capture and debugging proxy based on Node.js, supporting HTTP, HTTPS, HTTP/2, WebSocket, and TCP packet capture with request/response modification. It offers HTTP, HTTPS, Socks, and reverse proxy modes, includes built-in tools like Weinre, Console, and Composer, and is extensible via rules and plugins. It runs on macOS, Windows, and Linux.

Playwright is a comprehensive framework for web automation and testing that provides a single API to drive Chromium, Firefox, and WebKit across Linux, macOS, and Windows.

A Python-based tool for automating the analysis of web server logs to detect cyber attacks and suspicious activity.

ffuf is a fast web fuzzer written in Go for content discovery, virtual host discovery, and parameter fuzzing. It supports filtering, recursion, configuration files, and interactive mode.

Puppeteer is a JavaScript library providing a high-level API to control Chrome or Firefox browsers via the DevTools Protocol or WebDriver BiDi.