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.

PingPlotter - PingPlotter is a troubleshooting tool that helps IT professionals and neophytes identify, diagnose, and resolve network issues.

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.

Open Visual Traceroute - Open source cross-platform (Windows/Linux/Mac) Java Visual Traceroute, packet sniffer and Whois.

Wachete - Track web page changes and get notified. Free Sign-up. Have all data in one place

WinMTR - Free Network Diagnostic Tool. WinMTR is an equivalent of mtr for Windows.