statsd-go is a reimplementation of statsd in Go (forked from gographite) with Ganglia submission support.
sugarsync-upload is a commandline uploader for Sugarsync.
It uploads files,
and lists contents.
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.
An in memory database engine.
A high performance, scalable database modeled after Bigtable.