(Media Tester) Is a Multicast Monitoring Tool This project used to Monitor Multicast Streams, Bit rate, Alarms, Reports, Video Recording, http://media-tester.sourceforge.net
The JPL Server Monitor will check to ensure websites and server services are running and responding. It also tracks the response time of the site/service. There is a cron script that can be activated to automate the checks.
EasyTomcat supports you using Apache Tomcat and MySQL. You can launch, stop and configure Tomcat and MySQL easily and particularly you don't need any special knowledge to use it. You can monitor the servers and view statistics of important properties.
PHP-WebStatus Monitor is a script that monitors a website's connectivity. It uses php for all the scripting. It has a MySQL backend with a detailed statistics viewer.
URL-Checker is a Java-Application, which periodically connects to a specified URL and writes the results (ie "connection OK/failed") to a logfile. A nice tool for webmasters to monitor the availability of a website. There is a GUI and a non-GUI-edition
Apache VirtualHost Transfer Counter is a set of files which allow you to quick and easy monitor utilization of http bandwitch on your server. It can give you also few statistics about VirtualHosts.