ZGrab2

Fast modular application-layer network scanner for large Internet surveys, pairs with ZMap.

Desktopfree

ZGrab2 is an open-source, modular network scanner that performs detailed application-layer handshakes across many protocols (TLS, SSH, HTTP, FTP, and others) and records the full exchange for analysis. It's designed to pair with a fast port scanner like ZMap for large-scale Internet measurement studies, aimed at researchers and security teams rather than casual users.

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Full match profile

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Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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