Kali Linux is an advanced penetration platform with versions designed to support Raspberry Pi. A Debian-based Linux distribution, this OS has several tools for information security operations such as penetration testing, forensics, and reverse engineering. It’s not limited to those operations as it is suitable for a general-purpose OS too.
A rebuild of the famous BackTrack Linux, it is a free platform under continuous development and comes with comprehensive support for devices and networks. It offers customizability that extends down to the Kernel level, and its installation is recommended on a 8 GB SD card.