jGameAdmin is a Java based web application, targeting Linux and Windows systems. With jGameadmin, you can easily administrate your game servers, voice servers and customers over a single and intuitive web interface.
A tool to monitor internet hosts` bandwidth usage in a Linux-NAT network. A daemon collects data and clients display them (currently a Java applet with a graph). It automatically detects new hosts and has a nice summary statistic.
SquidRH is a utility to convert squid log files to a database (like MySQL or PostgreSQL) and then generate statistic pages in real-time. This consumes much less the necessary than querying a squid log file, which sometimes gets very big.