Metasploit is one of the most popular and powerful penetration testing tools available.
Nmap is a versatile open-source tool used for network discovery and security auditing.
Burp Suite is a comprehensive platform for web application security testing that includes various tools that work seamlessly together to support the entire testing process.
Wireshark is a network protocol analyzer that allows you to capture and interactively browse the traffic running on a computer network.
Kali Linux is a Debian-based Linux distribution designed for digital forensics and penetration testing.