Venmon is a system resource monitoring and multi-ping tool for Windows. It can monitor system memory, processor, battery life, uptime, idle time, network traffic, and drives. It uses minimal processing power and memory usage while displaying real-time statistics. Venmon can run in portable mode, such as off a USB stick and does not require the installation of runtime modules such as .Net, Java, C++. Freeware with no bundled malware or advertisements.
RPi-Monitor - RPi-Monitor is a tool that provides all the connected system peripherals properties and current metrics.
Taskbar Meters - Incredibly simple meters that live in the Windows 7 task bar.
Mousotron - Mousotron is a mouse and keyboard activity monitor and keeps statistics of your mileage. It's like an odometer or tripometer for your mouse cursor.
MenuBar Statistics - MenuBar Statistics is a lightweight app that sits quietly in your menu bar of macOS and displays computer information such as CPU, Disk, and Network, which is updated every 5 seconds.
Wise System Monitor - Wise System Monitor that is also known as the WideCleaner is a program to monitor the process, hardware and network traffic of any system.
Actimeter - Actimeter is a fun little app that tells you how active you've been at your computer. It tracks and counts all your computer-related activities and events, and turns them into a single, easy-to-understand number from 0 to 100.