#5 (2024) Darknet research resources, free Google Maps Scraper and new cheat sheets
#4 (2024) New OSINT tools cheat sheets and website updates
#3 (2024) OSINT tools cheatsheets
#2 (2024) Overpass Turbo simple tricks
#1 (2024) New book: Linux for OSINT. 21-day course for beginners