Prb stands for php rrd browser, inspired by rrdbrowse and cacti. A modular framework for creating rrd databases, updating and graphing data, based on apache, php, mysql and rrdtool. It will allow you to graph just about any timeseries you like. Configuration is simple. The poller and webinterface use the same backend modules. The modular approach make it ver flexible, and it's really simple to write your own modules.