Distributable time-series database (not actively maintained)

A highly scalable real-time graphing system

Whisper is a file-based time-series database format for Graphite.

Carbon is one of the components of Graphite, and is responsible for receiving metrics over the network and writing them down to disk using a storage backend.

Tattle is a lightweight self-service dashboards web-application for Graphite and Ganglia monitoring tools

Daemon for easy but powerful stats aggregation

xkcd CLI + jQuery terminal implementation

GTK+ client for LiveJournal-based sites