SIREN.io - Siren is an investigative intelligence platform.
ZoomEye - Network mapping service
DataWalk - DataWalk is a software platform to connect numerous large data sets, both external and internal, into a single repository for fast visual analysis.
Cobalt Strike - Advanced threat tactics for penetration testers.
SpiderFoot - Open source intelligence (OSINT) automation tool.
Armitage - Armitage makes penetration testing easy by adding a GUI to the Metasploit framework