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.
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.
TinyResMeter - 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
RPi-Monitor - RPi-Monitor is a tool that provides all the connected system peripherals properties and current metrics.
Distill Web Monitor - Distill is a web monitoring tool. It can monitor RSS feeds, a webpage or a part of webpage. Alerts in the form of pop-up, audio or emails can be received.
Taskbar Meters - Incredibly simple meters that live in the Windows 7 task bar.