Armitage is a graphical cyber attack management tool for Metasploit that enhances user collaboration by allowing teams to use shared sessions, manage data, and communicate effectively through a single Metasploit instance. It is designed to assist both novice and experienced security practitioners in exploiting vulnerabilities and executing post-exploitation tasks, offering various modules and features like spear phishing and client-side reconnaissance. As an open-source tool developed by Raphael Mudge, it provides an accessible graphical interface for penetration testing, making it a valuable resource for cybersecurity professionals.