This is the core source code of the Linux operating system, acting as the computer's brain to manage hardware and resources. It is suitable for those who want to deeply understand or modify the system layer.

An open-source script tool for Windows and Office activation, offering multiple methods to help users complete system activation quickly, suitable for individuals solving authorization issues.

This is a curated list of free computer science video courses from top universities globally, saving you search time and leading directly to the knowledge you want, covering basics to advanced topics.

radare2 is a professional command-line reverse engineering tool that helps you deeply analyze software, viruses, and binary files, essential for security researchers and hackers.

Turns the operating system into a database, allowing you to monitor processes, files, and security using SQL queries, ideal for ops and security teams.

A PHP library that automatically identifies whether visitors are using a phone, computer, or tablet, along with specific browser and system models, handling device detection for you.