Kali Linux is preinstalled with numerous penetration-testing programs, including nmap (a port scanner), Wireshark (a packet analyzer), John the Ripper (a password cracker), and Aircrack-ng (a software suite for penetration-testing wireless LANs). Kali – Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing.Other important sub-projects include the Opcode Database, shellcode archive and related research. Metasploit Framework – A tool for developing and executing exploit code against a remote target machine.OpenVAS – OpenVAS is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution.Network Security & Penetration Testing Tools Here you can find the Comprehensive Network Penetration testing tools list that covers Performing Penetration testing Operation in all the Environment. Network Security & Penetration testing tools are more often used by security industries to test the vulnerabilities in network and applications.