Zenmap
Open Source
Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc.
Advanced IP Scanner
Free
Advanced IP Scanner shows all network devices, gives you access to shared folders, and can even remotely switch computers off.
Total Network Inventory
Commercial
Total Network Inventory is a PC audit and software inventory management solution.
skipfish
Open Source
Skipfish is an active web application security reconnaissance tool.
Nsauditor Network Security Auditor
Commercial
Nsauditor Network Security Auditor is a network security auditing software.
Angry IP Scanner
Open Source
IP scanner is a fast, friendly, extensible, free and open-source IP scanner to scan addresses and ports in any range.
Softperfect Network Scanner - NetScan
Commercial
SoftPerfect Network Scanner is a fast universal IPv4/IPv6 scanner with an extensive range of options and advanced features.
Wireless Network Watcher is a small utility that scans your wireless network and displays the list of all computers and devices that are currently connected t…
WinMTR
Open Source
WinMTR is a Windows application which combines the functionality of the traceroute and ping utilities in a single network diagnostic tool.
Compare Nmap with alternatives
Compare Angry IP Scanner and Nmap and decide which is most suitable for you.
Compare Advanced IP Scanner and Nmap and decide which is most suitable for you.
Compare Softperfect Network Scanner - NetScan and Nmap and decide which is most suitable for you.
Compare Total Network Inventory and Nmap and decide which is most suitable for you.
Compare Wireless Network Watcher and Nmap and decide which is most suitable for you.
Compare Nsauditor Network Security Auditor and Nmap and decide which is most suitable for you.