Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...
Cobalt Strike - Advanced threat tactics for penetration testers.
Shodan - Shodan is the world's first search engine for Internet-connected devices.
Armitage - Armitage makes penetration testing easy by adding a GUI to the Metasploit framework
Intruder - Intruder is a security monitoring platform for internet-facing systems.
ZoomEye - Network mapping service