Operating Systems
Penetration testing and security lab Operating Systems.
This is a curated list of Operating Systems:
BackBox - Based on Ubuntu.

- BackBox is more than an operating system, it is a Free Open Source Community Project with the aim of promoting the culture of security in IT environment and give its contribution to make it better and safer.
BlackArch Linux - Based on Arch Linux.

- BlackArch Linux is an Arch Linux-based penetration testing distribution for penetration testers and security researchers.
Fedora Security Lab - Based on Fedora.

- The Fedora Security Lab provides a safe test environment to work on security auditing, forensics, system rescue and teaching security testing methodologies in universities and other organizations.
Kali Linux - Based on Debian.

- Kali Linux is an open-source, Debian-based Linux distribution geared towards various information security tasks, such as Penetration Testing, Security Research, Computer Forensics and Reverse Engineering.
Parrot Security OS - Based on Debian.

- This is a special purpose operating system designed for Penetration Test and Red Team operations. It contains a full arsenal of ready to use pentesting tools.
Pentoo - Based on Gentoo.

- Pentoo is a Live CD and Live USB designed for penetration testing and security assessment.
URIX OS - Based on openSUSE.

- A general purpose, and security focused Linux distribution based on openSUSE. — Archived
Wifislax - Based on Slackware.

- Wireless Security labs
Malware analysts and reverse-engineering
Used for Malware analysts and reverse-engineering
Flare VM - Based on Windows.

- A collection of software installations scripts for Windows systems that allows you to easily setup and maintain a reverse engineering environment on a virtual machine (VM).
REMnux - Based on Debian.

- REMnux® is a Linux toolkit for reverse-engineering and analyzing malicious software.
