- https://pentest-tools.com
- https://www.immuniweb.com
- https://sitecheck.sucuri.net
- https://www.apisec.ai/product#ec
- https://graphql.security
- https://dnsdumpster.com
- https://emailcrawlr.com
- https://www.shodan.io
- https://www.exploit-db.com
- https://www.vulnerability-lab.com
- https://www.intruder.io
- https://www.acunetix.com
- https://hackertarget.com
- https://www.onsecurity.io
- https://scanmyserver.com
- https://www.qualys.com
- https://probely.com
- https://app.upguard.com
- https://observatory.mozilla.org
- https://hostedscan.com
- https://service.h-x.technology
- https://snyk.io/
try these out on our free labs at https://labs.hackxpert.com