SysGauge enables you to precisely monitor in real-time your machine's performance in numerous areas.

Stats is an application that allows you to monitor your macOS system.

PRTG - Free Network Monitor is a network monitoring solution that ensures the availability of network components while also measuring traffic and usage.

QuickMon is a monitoring and alerting tool that allows you to monitor and alert various resources and services locally or remotely on 64-Bit operating systems.

EF System Monitor gives you a well-rounded tool that can be used to retrieve a permanent record of information on all your network computers; these records include; memory space, hard disk usage, date, time, and username.

WinDefLogView is a portable app that reads and then displays the Windows Defender threat logs allowing you to monitor and record any threats found.

CPU Temp monitors CPU temperature, utilization, clock speed, power consumption, and other essential parameters in real time.

SnakeTail is a Windows tail utility for monitoring growing log files.

Wireless Network Watcher is a small freeware monitoring tool that quickly scans your wireless network and then lists all the computers and devices that are currently connected.

DiskPulse gives you real-time monitoring of multiple disks and directories for unauthorized changes.

LLDP-CDPMon allows you to capture and analyze LLDP/CDP packets that are transmitted over Ethernet connections.

HWMonitor is a free hardware monitoring program that reads PC systems' primary health sensors: voltages, temperatures, and fan speeds.

CrystalDiskInfo is an Open Source HDD health monitoring utility. It displays basic HDD information, monitors S.M.A.R.T. values and disk temperature. Also available as a portable version.

CrystalDiskInfo Portable is an Open Source HDD health monitoring utility. It displays basic HDD information, monitors S.M.A.R.T. values and disk temperature. Also available as an installer.

auto-cpufreq is a tool for Linux that can automatically optimize your computer's CPU speed and power consumption.

System Monitor (Sysmon) is a Windows system service and device driver that remains resident across system reboots to monitor and log system activity to the Windows event log.

MiTeC InfoBar is a versatile monitoring tool that displays essential information about your computer and more.

Performance Monitor Analyser is a tool that allows users to monitor and analyze their Windows system's performance in a detailed manner.

GlassWire protects your privacy and security by identifying unusual internet behavior that potentially indicates malware or privacy violations.

Homedale allows you to monitor the signal strength of multiple WLAN Access Points.

DU Meter monitors your computer's network bandwidth usage with real-time graphs, along with the ability to create reports and alerts based on your downloads and uploads.

Universal Radio Hacker (URH) is an Open Source app for investigating unknown wireless protocols.

Drives Monitor utilizes performance monitor data to visualize physical or logical disk activity.

Libre Hardware Monitor is an Open Source fork of Open Hardware Monitor to monitor your computer's temperature sensors, fan speeds, voltages, load, and clock speeds.

NetworkConnectLog is a simple utility that repeatedly scans your local area network (using ARP and Netbios protocols) and adds a new log line every time that a new computer or device connects to your network.