statsd-go is a reimplementation of statsd in Go (forked from gographite) with Ganglia submission support.
rrd-merge merges RRD (round robin database) files together, including the files used by Ganglia, Cacti, and other rrdtool-based software.
rrd-fixpeaks removes errant "peaks" in RRD data. It requires rrdtool.
A tool that analyzes RCS files and emits an equivalent history in the form of a fast-import stream.
An OpenCart extension that adds a contact form for obtaining prices.