What is the best Linux Distributions for Hacking and Penetration Testing in 2016

Caine comes with a wide variety of tools developed for system forensics and analysis purpose.

Network Security Toolkit

Network Security Toolkit is a bootable Live ISO based on Fedora. It provides security professionals and network administrators with a wide range of open soure network security tools.

Network Security Toolkit has an advanced Web User Interface for system/network administration, navigation, automation, network monitoring & analysis and configuration of many applications found in Network Security Toolkit distro.