Images

Google Images: results for people are limited

Yandex Images: to find the same person accross websites

TinEye: to find exact matches and filter time-based

Pimeyes: facial recognition for OSINT professionals

FaceSeek: facial recognition
Facecheck.ID: Facial recognition

ExifTool: Read, write and edit meta information (runs locally, offline)

Forensically: free online photo forensic tools

FotoForensics: free online photo forenric tools (does not permit VPN)

URLScan: scan the link (URL)

2IP: scan the link (URL)

VirusTotal: scan the link (URL)