Venmon
TinyResMeter
Taskbar Meters
Wise System Monitor
Mousotron
Rainmeter
Actimeter
RPi-Monitor
ChangeMon.Com
Wachete
Visualping
Page Monitor
WebSite-Watcher
Trimgle
Huginn
Update Scanner
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.
Venmon ChangeMon.ComTinyResMeter - TinyResMeter is a small tool that displays useful information about system resources in real time...
Wachete - Track web page changes and get notified. Free Sign-up. Have all data in one place
Taskbar Meters - Incredibly simple meters that live in the Windows 7 task bar.
Visualping - Visualping is the easiest to use website checker, webpage change monitoring, website change detector and website change alert software of the web. Read more about Visualping.
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.
Page Monitor - Stays in the background and monitors web pages for changes.