SpiderFoot - Open source intelligence (OSINT) automation tool.
Cobalt Strike - Advanced threat tactics for penetration testers.
sn0int - sn0int is a semi-automatic OSINT framework and package manager
Shodan - Shodan is the world's first search engine for Internet-connected devices.
theHarvester OSINT Tool - theHarvester is a very simple, yet effective tool designed to be used in the early
Censys - Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.