Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
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Curated list of project-based tutorials
Open-source Python library for AI browser agents, plus Browser Use Cloud: stealth browsers and a hosted agent API.
Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.
FastAPI framework, high performance, easy to learn, fast to code, ready for production
🕷️ The BEST Web Scraping framework that handles everything from a single request to a full-scale crawl! Don't be shy, join here: https://discord.gg/EMgGbDceNQ and follow here for daily tips and tricks: https://x.com/Scrapling_dev
The Web framework for perfectionists with deadlines.
Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key. Join our Discord https://discord.gg/VuxzM8mtf
The Python micro framework for building web applications.
Scrapy, a fast high-level web crawling & scraping framework for Python.
Your lightweight open-source personal agent.
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
🕵️♂️ Collect a dossier on a person by username from 6K websites
Automatic SQL injection and database takeover tool
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.
The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web browser.
Glances an Eye on your system. A top/htop alternative for GNU/Linux, BSD, macOS and Windows operating systems.
Stealth Chromium that passes every bot detection test. Drop-in Playwright replacement with source-level fingerprint patches. 50+ tests passed.
JumpServer is an Open-source Privileged Access Management (PAM) platform with AI-powered capabilities, providing DevOps and IT teams a unified workspace to securely access SSH, RDP, Kubernetes, databases, websites, RemoteApp, VirtualApp, and more.
An autonomous agent that conducts deep research on any data using any LLM providers
Web APIs for Django. 🎸
🕸️ Web apps in pure Python 🐍
🗃 Open source self-hosted web archiving. Takes URLs/browser history/bookmarks/Pocket/Pinboard/etc., saves HTML, JS, PDFs, media, and more...