Internet Search Engines

Shodan

https://www.shodan.io/www.shodan.io

Automated Shodan

GitHub - Dheerajmadhukar/karma_v2: ⡷⠂𝚔𝚊𝚛𝚖𝚊 𝚟𝟸⠐⢾ is a Passive Open Source Intelligence (OSINT) Automated Reconnaissance (framework)GitHub

GitHub - s0md3v/Smap: a drop-in replacement for Nmap powered by shodan.ioGitHub

Shodan based Port Scanner

Naabu

GitHub - projectdiscovery/naabu: A fast port scanner written in go with a focus on reliability and simplicity. Designed to be used in combination with other tools for attack surface discovery in bug bounties and pentestsGitHub

Censys

Censys | The Authority for Internet Intelligence and InsightsCensys