Multipurpose Reconnaissance Tools
Recon-ng
Maltego
- long standing general-purpose OSINT tool with graphical interface
- Free community edition available, with data gathering limitations
- $1000/year professional license
TheHarvester
- performs open source intelligence (OSINT) gathering to help determine a domain's external threat landscape.
- gathers names, emails, IPs, subdomains, and URLs by using multiple public resources
- Language: python