The best Network Monitor alternative to NetCrunch Tools is Nmap, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to NetCrunch Tools and 15 are Network Monitors so hopefully you can find a suitable replacement. Other interesting Network Monitor alternatives to NetCrunch Tools are Angry IP Scanner, Fing, Zenmap and Port Authority.
Open-source utility for security auditing and network exploration, utilizing raw IP packets to scan hosts and services, identify OS and service versions, and assess network infrastructure, compatible across major operating systems with advanced GUI and tool suite.
Open-source, cross-platform network scanner for fast and simple IP and port scanning. It's lightweight, requires no installation, utilizes multithreading for speed, and is extendable via plugins. It pings IPs, resolves hostnames, determines MAC addresses, provides NetBIOS info, and saves results in various formats.
Discover all devices on your network with this trusted scanner. Monitor ISP performances, run speed tests, find hidden cameras, and check for vulnerabilities quickly. With multiplatform support and ad-free browsing, you can upgrade for more tools and enhanced network protection.
Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc. Zenmap aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users.
Android-focused port scanner quickly discovers hosts and delivers comprehensive network data. Displays local and remote device info, enabling detailed analysis for systems security.
NETworkManager is a powerful tool for managing networks and troubleshoot network problems! It includes a variety of tools such as an IP scanner, Port Scanner, Ping Monitor, WiFi analyzer, PuTTY/RemoteDesktop with tabs or an LLDP/CDP capture (and many more) in a unified user...
PingPlotter is a graphical traceroute and ping tool that visualizes network performance in a way that makes identifying the source of problems quicker and easier.
Ping Tracer continuously pings each network host between your computer and a given destination, helping visually identify the source of connectivity problems.
Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems. It is designed to be very plug and play. A default installation provides a lot of graphs with almost no work.
Netdiscover is an active/passive address reconnaissance tool, mainly developed for those wireless networks without dhcp server, when you are wardriving. It can be also used on hub/switched networks.
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