Software · Networking & admin

subnetlens

A fast, concurrent open-source network scanner with a TUI and plain-text CLI, built in Go. It discovers live hosts on your network, scans their open ports, resolves hostnames, and fingerprints operating systems.

Completely free
Windows, macOS and Linux
Open source
No account

Official website

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by GitHub
License: MIT — Open source (permissive)confirmed by GitHub
Open source: Yes
Commercial use: Yesconfirmed by GitHub
Account required: Noconfirmed by GitHub
Credit card required: Noconfirmed by GitHub
Watermark: Not applicable
Ads: not documented
Platforms: Windows, macOS and LinuxEstablished by Linux: Unspecified source · macOS: Unspecified source · Windows: Unspecified source
Publisher: ostefani
Latest activity: 9 October 2026
Source code: github.com/ostefani/subnetlens

Overview

subnetlens is a network analysis program, available on Windows, macOS and Linux.

Features described in its GitHub repository and on its official website: command-line use, API for automation and integration.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Fast, concurrent network scanner.” — official website, 10 November 2026
“A fast, concurrent open-source network scanner with a TUI and plain-text CLI, built in Go.” — GitHub, 10 November 2026
“Webhook delivery for watch alerts” — official website, 10 November 2026

At a glance

subnetlens is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No account needed
Commercial use allowed

Sources and checks

Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) — 10 November 2026
Facts collected from Unspecified source (platforms) — 9 November 2026
Last technical check: 8 November 2026
Description from github.com — Dépôt GitHub ostefani/subnetlens (MIT)

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