At an early stage of development. Application/middleware usage monitoring/reporting. Focus on business transactions/use cases to help communicate with users. Small footprint, easy to use GUI and a level of statistical analysis to summarise the data.
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.
A tool for Multi-Router Traffic Graphing software, MRTG Spike Remover removes anomalous "spike" data from the MRTG logs in order to faciliatate reading the parts of the graph important to the surveyor, leaving out irrelevant data outliers.