havn

Fast configurable TCP port scanner in Rust with sensible defaults and a sub-1MB binary.

Desktopfree

havn is an open-source command-line port scanner written in Rust. It uses asynchronous concurrency to scan TCP ports quickly, with configurable ranges, retries, timeouts and IPv6 support, and ships as a binary of under 1MB via Cargo, Arch Linux, Docker and pre-built releases. It suits developers and administrators who want a small, quick scanner with usable defaults.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of havn - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

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

Claim havn to unlock →

Try Matchbox with your own problem

Describe what is not working - we’ll show you whether havn (or something else) actually fits.

Try a problem