WAFW00F allows one to identify and fingerprint Web Application Firewall (WAF) products protecting a website.
SIPVicious suite is a set of tools that can be used to audit SIP based VoIP systems.
An HTTP proxy library for Go
Security advisories published by Enable Security
TFTP Theft is a tool which allows one to quickly scan/bruteforce a tftp server for files and download them instantly
A plugin for Burp Suite Pro to work with attacker payloads and automatically generate check digits for credit card numbers and similar numbers that end with a check digit generated using the Luhn algorithm or formula (also known as the "modulus 10" or "mod 10" algorithm).
Automatically exported from code.google.com/p/surfjack
A Burp Suite extension that checks if a particular URL responds differently to various User-Agent headers
a collection of payloads for common webapps