Free Port Scanner Software

Nmap
Nmap ("Network Mapper") is an open-source program for network exploration and security auditing. It was designed to rapidly scan large networks, although it works fine against single hosts

Foundstone Vision
All TCP and UDP open ports and maps of proprietary application process or reporting.

Foundstone FPort
Identify unknown open ports and their associated applications.

Foundstone Scan Line
Previously FSCAN. Scanline control port.

Foundstone SuperScan
Powerful TCP port scanner, pinger, Determination.

Shields Up!
Shields Up! Benevolence probe the target computer to your website. Since these surveys are traveling from our server to your computer, you should keep certain evidence of management protocol that can fully test by both teams between your computer and the Internet.

Angry IP Scanner
Angry IP scanner is a very fast IP scanner for Windows. The program itself is small and can scan any IP range. Angry IP Scanner to check first pings each IP address, whether she is still alive, then solves hostname, scans ports, etc. the scan set. It also has additional features, like NetBIOS information (computer name, the name of the workgroup the user who is logged on and the MAC address) and you can save the results of the data as files in the list of IP port CSV, TXT , HTML, XML, or.

LanSpy
LanSpy is a network security scanner, which allows you to collect a variety of different information about computer: Domain Name and NetBIOS, the MAC address, Server information, information from the domain controller and the domain that remote time, disk , transport users, global and local users groups, Policy settings, shares, sessions, open files, services, registry, event log.

Port Scan 2000
A scanner quickly and easily configurable ports. You can specify to scan the ports and the number of ports to be scanned at once. It is not intended for illegal use, does port scans only on your own computer.

Blue Port Scanner
A good port scanner is just one of the basic tools anyone seriously interested in the internet needs.