Not The Hidden Wiki

Learn OSINT

OSINT Curious. Tutorials, videos and podcasts about OSINT - link
OSINT Combine Blog - link
MyOSINT Training - Smart OSINT Collection - link
Google Docs Spreadsheet - The Ultimate List of OSINT Websites - link
Clear web OSINT bookmarks - link
Dark web OSINT bookmarks - link
Offensive OSINT - link
OSINT Automation - link
Discover Proton Mail registration date with one weird trick - link