What RRDtool does
RRDtool is the OpenSource industry standard, high performance data logging and graphing system for time series data. RRDtool can be easily integrated in shell scripts, perl, python, ruby, lua or tcl applications.
RRDtool is available for download from this site. It compiles on a number of different Linux and Unix platforms as well as on Microsoft Windows.
Sponsorship and Appreciators