Unicornscan

6.8easy start · #8 of 25
in Port Scanner Software

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, self-hosted, Web.

Unicornscan is ranked #8 of 25 in port scanner software on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Web. There is a free plan.

Unicornscan plans and pricing

All plans

Unicornscan Free GPL software · downloadable packages and source github.com · 2 Oct 2026

Compared on port scanner software

Free plan: Yes
Deployment: cli
Scan scope: network
Service detection: Yes
OS detection: Yes
API access: Yes

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The record

Purpose: Unicornscan is an asynchronous stateless network stimulus delivery and response recording tool for scalable, high-speed network reconnaissance.
TCP and UDP scanning: The getting-started guide documents TCP SYN scans and UDP probes with protocol-specific payloads.
Discovery and tracing: Documented scan modes include local-network ARP discovery and stateless TCP traceroute.
Web interface: Alicorn is a web interface for viewing and analyzing scan results, including scan history, host and port statistics, OS fingerprinting, and network topology visualization.
Database integration: The pgsqldb module can export scan results to PostgreSQL, which Alicorn uses for data storage.
API: The Alicorn startup process launches a PostgREST API alongside the web server.
GeoIP: Optional free DB-IP Lite databases enable country, city, and ASN lookups in scan output and the web interface.
Supported systems: Prebuilt packages are listed for Debian, Ubuntu, Fedora, RHEL-compatible distributions, and macOS via Homebrew or DMG.
Requirements: The Alicorn web interface requires Docker and PostgreSQL for data storage.
Permissions: The package guide says Linux capabilities are set automatically so scans can run without root privileges.
Network scope limit: Compound modes beginning with ARP require targets on the local broadcast domain because ARP requests cannot cross routers.
Support: The install guide points users to the project website and GitHub Issues for support and bug reports.
Creator: The project README says Unicornscan was created by Jack C. Louis.
Price from: Free

Where it ranks on The Geeks Club

Best Port Scanner Software in 2026#8 of 25

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Sources

unicornscan.org/docs/install-package· checked 2 Oct 2026
github.com/robertelee78/unicornscan/blob/main/docs· checked 2 Oct 2026
github.com/robertelee78/unicornscan· checked 2 Oct 2026
github.com/robertelee78/unicornscan/blob/main/LICE· checked 2 Oct 2026