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 Open-source intelligence (OSINT) is data collected from open source and publicly available sources. The following are a few OSINT resources and references:
 
 ## Passive Recon Tools:
+- [AMass](https://github.com/OWASP/Amass)
 - [Buscador VM](https://inteltechniques.com/buscador)
 - [Exiftool](https://www.sno.phy.queensu.ca/~phil/exiftool/)
 - [ExtractMetadata](http://www.extractmetadata.com)