1. Kali Linux


Kali Linux is the most widely known Linux distro for ethical hacking and penetration testing. Kali Linux is developed by Offensive Security and previously by BackTrack.

Despite the turmoil in the world, we are thrilled to be bringing you an awesome update with Kali Linux 2020.2! And it is available for immediate download.

Kali Linux is based on Debian. It comes with a large amount of penetration testing tools from various fields of security and forensics. And now it follows the rolling release model, meaning every tool in your collection will always be up to date.
It’s the most advanced penetration testing platform out there, supporting a wide range of devices and hardware platforms. Moreover, Kali Linux provides decent documentation and has a large and active community.

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2. BackBox Linux

BackBox Linux is a penetration testing and security assessment oriented Linux distribution providing a network and systems analysis toolkit. It includes some of the most commonly known/used security and analysis tools, aiming for a wide spread of goals, ranging from web application analysis to network analysis, stress tests, sniffing, vulnerability assessment, computer forensic analysis, automotive and exploitation. It has been built on Ubuntu core system yet fully customized, designed to be one of the best Penetration testing and security distribution and more. Download.


BackBox has its own software repository that provides the latest stable versions of various system & network analysis toolkits as well as the most popular ethical hacking tools. It’s designed with minimalism in mind and uses the XFCE desktop environment. It delivers a fast, effective, customizable and complete experience. It also has a very helpful community behind it.


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3. Parrot Security OS

All-in-one framework for Cyber Security, Software Development and Privacy Defense.
Parrot Security OS is relatively new to the game. Frozenbox Network is behind the development of this distro. The target users of Parrot Security OS are penetration testers who need a cloud-friendly environment with online anonymity and an encrypted system.



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4. BlackArch Linux

BlackArch Linux is an Arch Linux -based penetration testing distribution for penetration testers and security researchers. The repository contains 2554 tools. You can install tools individually or in groups. BlackArch Linux is compatible with existing Arch installs. For more information, see the installation instructions. Also, news is published on our blog.

Please note that BlackArch is a relatively new project. To report bugs and request new tools, please visit the issue tracker on Github, stop by IRC, or email us.

The BlackArch Live ISO contains multiple window managers. Below you will find screenshots of a few of them.




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5. Archive OS

ArchiveOS Our mission
Archive of Operating Systems mission is saving the great job of many great people whose created Open Source and/or Freeware distributions/operating systems.
The systems we archive are based on Linux, BSD, DOS, Solaris, and other, independent technology.



Web site: bugtraq-team.com (not active)
Origin: Spain
Category: Security, Penetration
Desktop environment: GNOME, KDE, Xfce
Architecture: x86, x86_64
Based on: Debian, openSUSE, Ubuntu
Wikipedia:
Media: Live DVD
The last version | Released: 2 | April 28, 2013
Zobacz po polsku Zobacz po polsku: Bugtraq
Bugtraq – a GNU/Linux distribution aimed at digital forensics, penetration testing, Malware Laboratories, and GSM Forensics.
Bugtraq features a large set of arsenal of pentesting tools including mobile forensic tools, malware testing laboratories and tools specifically designed by the Bugtraq-Community, audit tools for GSM, wireless, bluetooth and RFID, integrated Windows tools, tools focused on ipv6, and typical pentesting and forensics tools.
The live system is built on Ubuntu, Debian and OpenSuse, with Xfce, GNOME and KDE desktops, and is available in 11 different languages.
The live system user name is: bugtraq
Password: 123456
Download
Bugtraq II Xfce x86_64 3.48GB.iso
md5sum: 91b80387da06afaa0c326f1b4de57b98
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6. DEFT Linux
DEFT Linux, short for Digital Evidence & Forensics Toolkit, is a distribution made for computer forensics, with the purpose of running a live system without corrupting or tampering with the PC and its usual boot drives.Download,


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7. Samurai

Samurai Web Testing Framework is developed with the sole purpose 
of penetration testing on the web. Another 
aspect of this distro is that it comes as a virtual machine,
 supported by Virtualbox and VMware. Download



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8. Pentoo Linux

Pentoo Linux is based on Gentoo Linux. It is a distro focused on security and penetration testing and is available as LiveCD with Persistence Support (meaning any changes made in the live environment will be available on the next boot if you use a USB stick).Download



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9. CAINE

CAINE stands for Computer Aided Investigative Environment. It is intended as a digital forensics project and is completely focused on this field.



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10. Network Security Toolkit

Network Security Toolkit is a bootable live ISO based on Fedora. It provides security professionals and network administrators with a wide range of open-source network security tools.



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11. Fedora Security Spin

Fedora Security Spin is a variation of Fedora designed for security auditing and testing, which can also be used for teaching purposes.



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12. ArchStrike

Archstrike
An Arch Linux repository for security professionals and enthusiasts
Done the Arch Way and optimized for i686, x86_64, ARMv6, ARMv7, and ARMv8
We follow the Arch Linux standards closely in order to keep our packages clean, proper and easy to maintain. Our team 
works hard to maintain the repository and give the best ArchStrike experience. If you find any issues, please don't 
hesitate to contact us via GitHub, IRC, Twitter or email. Any feedback is appreciated.



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13. Blackhat

Blackhat-Global OS Lite can be installed permanently as a robust and fully configurable operating system on a laptop or desktop system, or it can be run effectively as a live installer and supports the addition of persistent storage for those who choose not to perform a permanent installation.

We are excited to announce the availability of Blackhat-Global OS Lite. We’ve condensed the full Blackhat-Global experience into a streamlined operating system that’s fast, user-friendly, desktop-oriented operating system based. Which is available immediately for Download



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14. Red Hat


Red Hat Enterprise Linux (RHEL) Server 8.1 Free Download



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