Radar Website Monitor allows you to monitor up to 15 Internet sites, including HTTP, FTP and mail servers. If one of the monitored items causes a problem, you can be notified via email message, tray popup or custom command line action. The program supports GET, POST and HEADER methods, and can also look for specific keywords, that should be present in the HTML code. A statistical graph allows you to view performance for the last few minutes at a glance, and text statistics provide long term performance data. The trial version is limited to 300 checks per session.

The license of this software is Free Trial Software, the price is $49.95, you can free download and get a free trial.