Network Monitors for Windows

Foremost network protocol analyzer with multi-platform support, deep protocol inspection, VoIP analysis, and extensive file format compatibility.

Portmaster is a free and open-source privacy suite that puts you back in charge of your computer.

Free, open-source utility for network security auditing and exploration with capabilities for OS detection, service identification, and large network scans.

A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Official successor to Process Hacker.

TrafficMonitor is a network monitoring suspension window software in Windows. It can display the current network speed, CPU and memory usage. It also support the functions of display in the taskbar, change skin and historical traffic statistics.

Visualizes network activity, alerts on suspicious behavior, manages firewall rules, reports new app connections, and identifies potential threats.

Network scanner discovers devices, monitors ISP performance, sets security checks. Use advanced tools to analyze settings and find hidden cameras.

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.

An advanced Windows tool for internet traffic control and monitoring. Set speed limits for apps and connections, with real-time and long-term stats.

Sniffnet is a network monitoring tool to help you easily keep track of your Internet traffic.

NetWorx is a simple, yet versatile and powerful tool that helps you objectively evaluate your bandwidth consumption situation. You can use it to collect bandwidth usage data and measure the speed of your Internet or any other network connections.

Monitor IT and DevOps environments with over 120 integrations, providing a unified view of your infrastructure with graphing, correlation, and analytics.

Spiceworks is a software suite for IT professionals to manage networks, troubleshoot issues, and handle IT tasks. It offers free online tools for network connectivity management, remote computer access, user activity monitoring, contract tracking, and inventory scanning.

Easily switch between up to 6 network profiles with support for IP, DNS, gateway, WINS, printer, network drives, NIC status, scripts, and more for Windows.

Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community.

Comprehensive network monitoring includes up/downtime tracking, traffic analysis, and performance metrics using SNMP, WMI, and NetFlow protocols.

NetBalancer is an internet traffic control and monitoring tool designed for Win7/8/10.

A lightweight, highly customizable system tray application that monitors and displays real-time network speeds for Windows.

BitMeter OS keeps track of how much you use your internet/network connection, and allows you to view this information in a variety of ways.

NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar designed to be used on computers that run Windows XP, Windows Server 2003, Windows Vista or Windows 7. With NetSpeedMonitor you can monitor the current speed (up- and downstream) of your Network...

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.

NetIP is an open-source Windows utility software that provides quick access to your computer network information.

Ping Tracer continuously pings each network host between your computer and a given destination, helping visually identify the source of connectivity problems.

Ping, but with a graph.

Live data rate chart. Network usage history (statistics). Quota counter (limit usage meter). Works with every network connection. Multi-language. Installer & portable. Lightweight. Freeware.