sn0int - sn0int is a semi-automatic OSINT framework and package manager
w3af - w3af is a Web Application Attack and Audit Framework
Lampyre - Lampyre - an efficient data analysis and OSINT multi-tool for everyone.
Shodan - Shodan is the world's first search engine for Internet-connected devices.
SIREN.io - Siren is an investigative intelligence platform.
Grabber Web Application Scanner - Grabber is a web application scanner. It detects vulnerabilities in your website.