1.DEFT
DEFT is a Live CD built on top of Xubuntu with tools for computer forensics and incident response. It's a very light and fast live system created for the Computer Forensics specialists.
2.NodeZero Linux
NodeZero Linux is reliable, stable, and powerful. Based on the industry leading Ubuntu linux distribution, NodeZero Linux takes all the stability and reliability that comes with Ubuntu’s Long Term Support model, and its power comes from the tools configured to live comfortably within the environment.
3.Pentoo
Pentoo is a security-focused livecd based on Gentoo. It's basically a gentoo install with lots of customised tools, customised kernel, and much more.
4.Kali Linux
Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It is preinstalled with numerous penetration-testing programs, including nmap, Wireshark, John the Ripper and Aircrack-ng.
