The Most Advanced Penetration Testing Distribution
Kali Linux is an open-source, Debian-based Linux distribution geared towards various information security tasks, such as Penetration Testing, Security Research, Computer Forensics and Reverse Engineering.
Kali Everywhere A version of Kali is always close to you, no matter where you need it. Mobile devices, Docker, ARM, Amazon Web Services, Windows Subsystem for Linux, Virtual Machine, bare metal, and others are all available.
Customization
With the use of metapackages, optimized for the specific tasks of a security professional, and a highly accessible and well documented ISO customization process, it's always easy to generate an optimized version of Kali for your specific needs.
see more on kali.org :: https://www.kali.org/