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. News For the latest news regarding RRDtool, check the Announcements Mailinglist Archive. Or add our Facebook and Google+ pages. Download RRDtool is available for downloa