Written in pure ASM and Exode with cloud computing in mind.
Open Source SIEM
Linux firewall distribution geared towards home and SOHO users.
PenTester's Edition is for educational and security analysis.
Easy to use pentesting distribution for wireless security enthusiasts
Strong security for desktop computing through compartmentalization
Operating System based on Xubuntu 14.04.1 LTS
An all purpose Distro for Pentesters
ERPXE - Free Open Source PXE Server
Flavitu-Linux 14-2 Lubuntu
Vulnerable Virtual Machine to Learn
A web interface for various penetration testing tools
A bloated non pae Bodhi Linux
Honeypots in a box! HoneyDrive is the premier honeypot bundle distro.
HS|OS BackBox Hackerschool Edition
Images of pre-configured Raspberry Pi operating systems.
A vulnerable lab for IT Security professionals & students
Secure Linux distributions for Chromebooks
Custom Live USB Distro Based on Ubuntu
Polish version of Kali LINUX
uVirtus is an opensoruce secure operating system based on Debian