I didn’t uses/tested them but I saw them and want to have a note for a time I might need them to test my own software/tools/websites.
- shodan.io | censys.com
- find open servers and ports
- hunter.io
- collects email addresses of a domain
- urlscan.io
- analyses a complete website
- grep.app
- analyses source code
- intelx.io
- combines OSINT data
- wigle.net
- maps WLAN networks
- fullhunt.io
- scans your area of attack
- vulners.com
- shows known vulnerabilities
- viz.greynoise.io provides threat intelligence
- Subdomain finders:
- cyberscan.io