Red Hat Enterprise Linux
Red Hat Enterprise Linux (RHEL) is a Linux distribution developed by Red Hat and targeted toward the commercial market. Red Hat Enterprise Linux is released in server editions for x86, x86_64, Itanium, PowerPC and IBM System z architectures, and desktop editions for x86 and x86_64 processors.
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Parrot
Parrot (formerly Parrot Security OS) is a Debian-based, security-oriented distribution featuring a collection of utilities designed for penetration testing, computer forensics, reverse engineering, hacking, privacy, anonymity and cryptography. The product, developed by Frozenbox, comes with MATE as the default desktop environment.