The Book Of Secret Knowledge

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Master the command line, in one page

Hunt down social media accounts by username across social networks

Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions

:cherry_blossom: A command-line fuzzy finder

A list of useful payloads and bypass for Web Application Security and Pentest/CTF

🗂 The essential checklist for modern web development, for humans and AI agents

Ghidra is a software reverse engineering (SRE) framework

SecLists is the security tester's companion. It's a collection of multiple types of lists used during security assessments, collected in one place. List types include usernames, passwords, URLs, sensitive data patterns, fuzzing payloads, web shells, and many more.

The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems

Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs

A cross-platform, OpenGL terminal emulator.

Collaborative cheatsheets for console commands 📚.

A black hole for Internet advertisements

☄🌌️ The minimal, blazing-fast, and infinitely customizable prompt for any shell!

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

A Zsh theme

Bootstrap Kubernetes the hard way. No scripts.

tmux source code

A simple, fast and user-friendly alternative to 'find'

🦍 The API and AI Gateway

An attempt to answer the age old interview question "What happens when you type google.com into your browser and press enter?"

📖 A collection of pure bash alternatives to external processes.

Modern HTTP benchmarking tool

Comprehensive Python Cheatsheet

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

Making Docker and Kubernetes management easy.

Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more

What the f*ck Python? 😱

Secure and fast microVMs for serverless computing.

Fish-like autosuggestions for zsh

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

Automated auditing, performance metrics, and best practices for the web.

General purpose TLS and crypto library

How to create an OS from scratch

A modern and intuitive terminal-based text editor

node.js command-line interfaces made easy

⚙️ NGINX config generator on steroids 💉

Write scalable load tests in plain Python 🚗💨

最新Docker容器技术，从真实案例中学习最佳实践！| Learn and understand Docker&Container technologies, with real DevOps practice!

TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.

Complete container management platform

HTTP load testing tool and library. It's over 9000!

UNIX-like reverse engineering framework and command-line toolset

SQL powered operating system instrumentation, monitoring, and analytics.

Streisand sets up a new server running your choice of WireGuard, OpenConnect, OpenSSH, OpenVPN, Shadowsocks, sslh, Stunnel, or a Tor bridge. It also generates custom instructions for all of these services. At the end of the run you are given an HTML file with instructions that can be shared with friends, family members, and fellow activists.

Checklist of the most important security countermeasures when designing, testing, and releasing your API

Fish shell like syntax highlighting for Zsh.

Docker Cheat Sheet