cloc counts blank lines, comment lines, and physical lines of source code in many programming languages.

Nikto web server scanner

An engine to make Tor network your default gateway

Next-Generation Linux Kernel Exploit Suggester

Rip web accessible (distributed) version control systems: SVN/GIT/HG...

Swaks - Swiss Army Knife for SMTP

Automated script for performing Padding Oracle attacks

ack is a grep-like search tool optimized for source code.

ls on steroids

rdp-sec-check is a Perl script to enumerate security settings of an RDP Service (AKA Terminal Services)

Username guessing tool primarily for use against the default Solaris SMTP service. Can use either EXPN, VRFY or RCPT TO.

Perl CGI Web Shell