1- Kali Linux:
Kali Linux is a #1 Best OS for Hacking and Penetration Testing Distribution based on Debian. Developed by Offensive Security.
The first release was on February 5, 2006, it’s a completion of the BackTrack Linux Project.
There are 100’s of hacking tools are pre-intstalled with Kali Linux for various operation such as pen testing, malware analysis, forensic analysis, information gathering, networking scanning, exploitation, etc.
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. Download.
2- Parrot Security OS:
Parrot Security is #2 and another Best OS for Hacking and Penetration Testing, Forensics Distro dedicated to Ethical Hackers & Cyber Security Professionals.
Parrot OS equally contributing to the security community the same as Kali Linux with a verity of hacking tools and excellent GUI interface.
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. Download.
3- BackBox Linux:
Backbox Linux is a #3 best OS for Hacking for ethical hacking and penetration testing distro based on Ubuntu Linux.
Backbox used to use XFCE as a Desktop Environment and Ubuntu LTS versions as a base.
It contains the most professional, famous and used tools in the PenTesting field like MSF, NMAP, BurpSuite, Armitage, SQLMap and so on. Download.
4- BlackArch Linux:
Black arch Linux based Arch Linux #4 Lightweight and best OS for Hacking for ethical hacking and Penetration Testing Distro designed for Professional & Elite Hackers who have the ability to work with Linux like a Pro.
Black Arch contains nearly 2500 hacking tools and almost it covering all the phase in cybersecurity.
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. Download.
Pentoo a #5 best OS for Hacking and PenTesting distro based on Gentoo. Nice collection of hacking tools. The first release was in June 2005. It’s somehow an old distro. We can say it’s outdated. Download.
6- Samurai Web Testing Framework (Samurai-WTF):
Samurai WTF is a one of the best OS for Hacking and Professional Web Application Penetration Testing Framework & Distro.
7- Network Security Toolkit (NST):
Network Security Toolkit also is known as NST is a Professional best OS for Hacking and penetration testing and also designed for Network Security & Network Penetration Testing Operations. Based on Fedora. Download.
Wifislax amazing & best OS for ethical hacking and Wifi Penetration Testing Distro based on Ubuntu.
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. Download.
10- Cyborg Hawk:
Cyborg Hawk, Ubuntu-based best OS for ethical hacking and penetration testing. Contain more than 700 hacking tools.
Amazing distro for hacking purposes. Developed by Cyborg Hawk Team from Australia. Download.