Finding phishing pages:
StalkPhish - https://github.com/t4d/StalkPhish
Phishing Catcher by x0rz - https://github.com/x0rz/phishing_catcher
PhishStats - https://phishstats.info/
URLscan.io - https://urlscan.io/
NormShield - https://services.normshield.com/phishing-domain-search
crt.sh - https://crt.sh/
DNSlytics - https://dnslytics.com/
StinkyPhish by @olihough86 - https://github.com/olihough86/stinkyphish
Lumpysoft - https://lumpysoft.com/
Checkphish.ai - https://checkphish.ai/
PhishTank - https://www.phishtank.com/
If you're confused, ask one of these guys! -> https://phishunt.io/community/
Dealing with phishing pages:
Whois DomainTools - http://whois.domaintools.com/
DecentSecurity - https://decentsecurity.com/#/malware-web-and-phishing-investigation/
isitphishing - https://isitphishing.org/brand-alert
IANA Root-zone Database - https://www.iana.org/domains/root/db
Browserling - https://www.browserling.com/
Onyphe - https://www.onyphe.io/
UK NCSC takedowns - https://www.ncsc.gov.uk/information/report-suspicious-emails
Phishing kit trackers:
https://github.com/JoulioK/Phishing_Kits
https://github.com/neonprimetime/PhishingKitTracker
https://github.com/cybercdh/phishfinder
https://github.com/t4d/PhishingKitHunter
https://github.com/marcoramilli/PhishingKitTracker
https://github.com/cybercdh/kitphishr
Guide on gathering phishing CTI: https://loungefly84.medium.com/brand-protection-hunting-for-phishing-kits-34df8740989a