Best Port Scanners in 2026

Open-source and cross-platform network scanner designed to be fast and simple to use.

Key Angry IP Scanner features:

Free and Open Source Cross-Platform Ease of Use Fast Scanning

Open Source

End-to-end encrypted password manager built for teams. Secure every login, share credentials safely, and keep all your business accounts protected with zero-knowledge encryption and Swiss privacy laws you can trust.

Key Proton Pass for Business features:

Privacy-Focused End-to-End Encryption Multi-Platform Support Open Source

Try for free Open Source paid Free Trial $1.99 / Monthly (Pass Essentials)

Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.

Key Nmap features:

Comprehensive Scanning Open Source Scripting Engine Cross-Platform Support

Advanced IP Scanner shows all network devices, gives you access to shared folders, and can even remotely switch computers off. Download it Free. .

Key Advanced IP Scanner features:

Ease of Use Freeware Fast Scanning Detailed Scanning

Discover which devices are connected to any Wi-Fi network, map devices, detect intruders, assess...

Key Fing features:

Device Discovery Network Security Mobile and Desktop Support User-friendly Interface

Discover every device on your network, identify what it is, see open ports and a prioritized security report. Live monitoring, AI device ID, local-first. macOS, Windows, Linux — iOS & Android soon.

Key DeviceShelf.app features:

Device inventory management Simple and focused interface Useful for warranty and lifecycle tracking Accessibility as a web app

Windows visual network scanner for IT admins, names every device, identifies it if possible, 26 built-in tools, live monitoring, and per-device port-change alerts. 100% local.

Key SubnetLens features:

Platform Pricing Data privacy Device identification

freemium $79.0 / One-off (Pro Version)

Free IP Scanner: a very fast IP scanner and port scanner.

PENTESTON is an easy to use platform that can test network devices, custom web applications, and internet telecommunication devices for security bugs and flaws that affect integrity, confidentiality, or system availability.

Key PENTESTON features:

Check target No more fee Correlation API

freemium $39.0 / Monthly (Expert plan)

Our goal is to make it easy for you to access the results of online port scans with just a few clicks. You can use online port scanner for Check open ports, OS Detection, Traceroute your target.

Key PortScanner.online features:

The Report page provides access to crucial data regarding your target Extra scan options Inspecting open ports on the target host

freemium $45.0 / Annually (Professional)

Acunetix Vulnerability Scanner is a platform that offers a web vulnerability scanner and provides security testing to users for their web applications.

Key Acunetix Vulnerability Scanner features:

Comprehensive Scanning User-friendly Interface High-accuracy Continuous Monitoring

Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.

Key Qualys features:

Comprehensive Security Cloud-based Platform Automated Scanning Detailed Reporting

Nessus identifies the vulnerabilities, policy-violating configurations, and malware that attackers could use to penetrate your network.

Key Nessus Vulnerability Scanner features:

Comprehensive Coverage User-Friendly Interface Regular Updates Customizable Scans

AI-Enabled Attack Surface Management, Dark Web Monitoring, and Application Penetration Testing solutions tailored to reduce complexity and costs of Application Security Testing, Protection and Compliance.

Key ImmuniWeb features:

Attack Surface Management Dark Web Monitoring Cyber Threat Intelligence Web, Mobile, Cloud, API Penetration Testing

paid Free Trial