One of the most popular alternatives to Parrot Security OS is Tails, which is free and open source. Other popular alternatives are Kali Linux, Qubes OS, Whonix and BlackArch. Linux Distros like Parrot Security OS are a crowded field, with more than 25 alternatives for Linux, Mac and Windows.
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.
Spain
EU
Dracos Linux is purposed as an educational, especially to recognize the operation system of Linux and we respect ethical hacking.
Knoppix is an operating system based on Debian designed to be run directly from a CD / DVD (Live CD) or a USB key (Live USB), one of the first of its kind for any operating system. When starting a program, it is loaded from the removable medium and decompressed into a RAM drive.
Free portable encrypted system on an usb flash drive or an external hard drive for safe editing and carrying along of sensitive data, for encrypted communication and anonymous web surfing.
Wifislax is a GNU / Linux LiveCD and LiveUSB features conceived and designed for security auditing and related to computer security in general.
CAINE Computer Aided INvestigative Environment Live CD/DVD, computer forensics, digital forensics
ItalyEU
The CLIP OS project is an open source project maintained by the ANSSI (National Cybersecurity Agency of France) that aims to build a secure, multi-level operating system, based on the Linux kernel and a lot of free and open source software.
Liberté Linux is a secure, lightweight, and easy to use Gentoo-based Linux distribution intended as a communication aid in hostile environments. Liberté installs on a USB key, and boots on any computer or laptop.
Cado Live is a free bootable USB image to image disks to cloud storage such as AWS, Azure and Google Cloud.
United Kingdom
Spatry's remix of Manjaro Linux! It comes with the XFCE desktop, lots of themes and a complete software set designed to give you an enjoyable user experience.
This Environment allows people to work on large array of android security related task’s ranging from Malware Analysis, Penetration Testing and Reverse Engineering.
Indonesia
Germany
France
