1. What’s my Name : allows you to enumerate usernames across many websites.
  2. Shodan : search engine for the internet of everything.
  3. Intelligence X : search engine and data archive.
  4. Netlas : non-intrusive internet scanner, whois, domain names & SSL certs database.
  5. URLscan : a sandbox for the web.
  6. Epieos : retrieve information linked to an email address, leaving no traces.
  7. Have I Been Pwned : check if your email or phone is in a data breach.
  8. Browser Leaks : browsing privacy and web browser fingerprinting.