Use an rtl2832 USB dongle to generate random data for the linux kernel
Programmable completion code (bash) for ip[6]tables (netfilter.org)
A command-line utility for calculating and verifying file checksums.
A workbench to analyze ELF object files
A Proffesional Stress-Testing(ddos) tool for pentesters
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
Another way of user substitution on unixoid systems
Support Tools for OpenSSH with multiple agents
Track your ARP/MAC table changes and so much more
Hot directory
PKI & Card Management System to issue and manage tokens & certificates
Simple password generator
Hexadecimal and raw packet injector and sniffer.
IPsec / IKEv2-based VPN software for Linux.
Linux command line one time pad program
Open Source Security tool to audit hashed passwords.
Reveal Rootkit detects processes hidden by rootkits on POSIX systems.