sn0int - sn0int is a semi-automatic OSINT framework and package manager
Shodan - Shodan is the world's first search engine for Internet-connected devices.
Lampyre - Lampyre - an efficient data analysis and OSINT multi-tool for everyone.
Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.
SIREN.io - Siren is an investigative intelligence platform.
Censys - Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.