Tools: Pipl : https://pipl.com/
Check Username : https://checkusernames.com/
Been Verified : https://www.beenverified.com/
DNS Dumpster : https://dnsdumpster.com/
Shodan : https://shodan.io
ZoomEye : https://www.zoomeye.org.cn/
Onyphe : https://onyphe.io
Censys : https://censys.io/
Build With : https://builtwith.com/
The Harvester : https://tools.kali.org/information-gathering/theharvester
Spiderfoot : https://www.spiderfoot.net
Citadel : https://citadel.pw/
Hashes : https://hashes.org/
Lookyloo : https://github.com/CIRCL/lookyloo
Wigle : https://wigle.net/
SnapDex : https://www.snapdex.com/
Attack Surface Mapper : https://github.com/superhedgy/AttackSurfaceMapper
Lets Enhance : https://letsenhance.io/
Find Subdomain : https://findsubdomains.com/
Cross Linked : https://www.kitploit.com/2019/05/crosslinked-linkedin-enumeration-tool.html
Satellite Data List : https://gisgeography.com/free-satellite-imagery-data-list/
Gephi : https://gephi.org/
Maltego : https://www.paterva.com/buy/maltego-clients/maltego-ce.php
People Finder : https://www.peoplefinder.com/
Tinfoleak : https://tinfoleak.com/
H8mail : https://github.com/khast3x/h8mail
Tweets Analyzer : https://github.com/x0rz/tweets_analyzer
Raven : https://github.com/0x09AL/raven
TIGMINT: OSINT (Open Source Intelligence) GUI software framework : https://github.com/TIGMINT/TIGMINT
Open Source Intelligence Gathering Navigation and Quick Jump Oil Weather Scripts : https://github.com/delikely/OSINT-JUMP
OSINT Swiss Army Knife : https://github.com/Nhoya/gOSINT
mihari - A framework for continuous OSINT based threat hunting : https://github.com/ninoseki/mihari
Token-Hunter - https://github.com/GitLab-Red-Team/token-hunter
Public www : https://publicwww.com/
Harpoon : https://github.com/Te-k/harpoon
PhoneInfoga : https://github.com/sundowndev/PhoneInfoga
Way Back Machine : https://archive.org/web/
OSINT Facebook Dump : https://github.com/TheCyberViking/Facebook_OSINT_Dump
SunCalc : https://suncalc.org/
TinEye Reverse Image Search : https://addons.mozilla.org/fr/firefox/addon/tineye-reverse-image-search/
Social Blade : https://socialblade.com/
Recon : https://secapps.com/market/recon
Have I Been Pwned ? : https://haveibeenpwned.com/
Google Certificate Transparency : https://transparencyreport.google.com/https/certificates
Entrust Certificate Transparency : https://www.entrust.com/ct-search/
Crt.sh (Sectigo) : https://crt.sh/
Meta Presses : https://www.meta-press.es/
RIPE : https://www.ripe.net/