nbtscan-unixwiz
nbtscan-unixwiz is a command-line tool that scans for open NETBIOS nameservers on a local or remote TCP/IP network, and this is a first step in finding of open shares.
Gobuster
Gobuster is a web content scanner that looks for existing (and/or hidden) web objects. It basically works by launching a dictionary based attack against a web server and analyzing the response.
Parsero
Parsero is a free script written in Python which reads the Robots.txt file of a web server and looks at the Disallow entries. The Disallow entries tell the search engines what directories or files hosted on a web server mustn't be indexed.
CaseFile
CaseFile is the little brother to Maltego. It targets a unique market of 'offline' analysts whose primary sources of information are not gained from the open-source intelligence side or can be programmatically queried. We see these people as investigators and analysts who are working 'on the ground', getting intelligence from other people in the team and building up an information map of their investigation.
Arachni
Arachni is an Open Source, feature-full, modular, high-performance Ruby framework aimed towards helping penetration testers and administrators evaluate the security of web applications.
DIRB
DIRB is a Web Content Scanner. It looks for existing (and/or hidden) Web Objects. It basically works by launching a dictionary based attack against a web server and analizing the response.
DirBuster
DirBuster is a multi threaded java application designed to brute force directories and files names on web/application servers.
DMitry
DMitry (Deepmagic Information Gathering Tool) is a UNIX/(GNU)Linux Command Line Application coded in C. DMitry has the ability to gather as much information as possible about a host. Base functionality is able to gather possible subdomains, email addresses, uptime information, tcp port scan, whois lookups, and more.
dnsenum
Multithreaded perl script to enumerate DNS information of a domain and to discover non-contiguous ip blocks.
dnsmap
dnsmap was originally released back in 2006 and was inspired by the fictional story "The Thief No One Saw" by Paul Craig, which can be found in the book "Stealing the Network - How to 0wn the Box".