Kali Linux Kali Linux is a Penetration Testing Distribution based on Debian. Developed by Offensive Security. The first release was on February 5, 2006, it’s a completion of BackTrack Linux Project. It used to use GNOME as a Desktop Environment. Nowadays Kali Linux became a Rolling release Distro. It has a lot of tools in the Kali Repositories. Kali Linux Ranked number one in Top 10 Penetration Testing & Ethical Hacking Linux 2018. Parrot Security OS Parrot Security Operating System is a Penetration Testing & Forensics Distro dedicated to Ethical Hackers & Cyber Security Professionals. It has a big repository that collects a lot of amazing hacking tools for newbies and experts. Developed by FrozenBox. The first release was in June 2013. It used to use MATE as a Desktop Environment it’s based on Debian like Kali Linux. BlackArch Linux Black arch Linux based Arch Linux. Lightweight Penetration Testing Distro designed for Professional & Elite Hackers who have the ability to work with Linux like a Pro. Used to use Fluxbox & OpenBox as a Desktop Environment with other DE’s. It has huge tools in the repository more than 1500+ hacking tool included in the Distro & Repo. The first release was in 2013. Cyborg Hawk Cyborg Hawk, Ubuntu-Based Penetration Testing & Ethical Hacking distribution. Contain more than 700 hacking tools. Amazing distro for hacking purpose. Developed by Cyborg Hawk Team from Australia. Bugtraq Bugtraq professional penetration testing distro designed for Penetration Testing Operations and Reverse Engineering and Malware Analysis Missions. Based on Debian, contain a lot of hacking tools. Developed by Bugtraq-Team, the first release was in 2012.