Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing, originally forked from Backtrack Linux by the Offensive Security team.




The best Penetration Testing alternative to Parrot Security OS is Kali Linux, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Parrot Security OS and eight of them are Penetration Testing Tools so hopefully you can find a suitable replacement. Other interesting Penetration Testing Tool alternatives to Parrot Security OS are BlackArch, BackBox Linux, Cyborg Linux and Matriux.
Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing, originally forked from Backtrack Linux by the Offensive Security team.




BlackArch Linux is an Small Arch Linux iconArch Linux -based distribution for penetration testers and security researchers. The repository contains 2554 tools.




BackBox is a Linux distribution based on Ubuntu developed to perform penetration tests and security assessments. Designed to be fast, easy to use and to provide a minimal yet complete desktop environment thanks to its own software repositories...




The most advanced, powerful and yet beautiful penetration testing distribution ever created.Lined up with ultimate collection of tools for pro Ethical Hackers and Cyber Security Experts.




Matriux is a fully featured security distribution consisting of a bunch of powerful, open source and free tools that can be used for various purposes including, but not limited to, penetration testing, ethical hacking, system and network administration, cyber forensics...




Pentoo is a security-focused livecd based on Gentoo. It's basically a Gentoo install with lots of customized tools, a customized kernel, and much more.



ArchStrike is a penetration testing and security layer on top of Arch Linux done the Arch Way and optimized for i686, x86_64, ARMv6, ARMv7 and ARMv8. We follow the Arch Linux standards very closely in order to keep our packages clean, proper and easy to maintain.



Bugtraq system offers the most comprehensive distribution, optimal, and stable with automated services manager in real time.



