@ -223,6 +223,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
* [Ganglia](http://ganglia.sourceforge.net/) - High performance, scalable RRD based monitoring for grids and/or clusters of servers. Compatible with Graphite using a single collection process.
* [Graphite](http://graphite.readthedocs.org/en/latest/) - Open source scaleable graphing server.
* [InfluxDB](http://influxdb.com/) - Open source distributed time series database with no external dependencies.
* [OpenTSDB](http://opentsdb.net/) - OpenTSDB - Store and server massive amounts of time series data without losing granularity.
* [RRDtool](http://oss.oetiker.ch/rrdtool/) - Open source industry standard, high performance data logging and graphing system for time series data.