XBMC Blastdav is a simple WebDAV-like server for streaming content to XBMC. It works through proxies and tunnels, and even streams smoothly from a Raspberry Pi.
rrd-fixpeaks removes errant "peaks" in RRD data. It requires rrdtool.
rrd-merge merges RRD (round robin database) files together, including the files used by Ganglia, Cacti, and other rrdtool-based software.
sugarsync-upload is a commandline uploader for Sugarsync.
It uploads files,
and lists contents.
GoQuotes is a simple CGI quotes server.
A deduplicating backup program.
A probabilistic Java toolkit for building search engines.