https://www.giskard.ai/  (see https://learn.deeplearning.ai/courses/red-teaming-llm-applications/lesson/1/introduction)

dark.fail

https://check.torproject.org/?lang=en-US&small=1&uptodate=1

Flare

Teletracker

remnux

overthewire.org

exploit-db.com

securitytube.net

replit.com (coding)

IPlogger.com

https://www.criminalip.io/

https://web-check.as93.net/

https://osintframework.com/

https://github.com/danielmiessler/SecLists