The octave-forge package is the result of The GNU Octave Repository project,
which is intended to be a central location for custom scripts, functions and
extensions for GNU Octave. contains the source for all the functions plus
build and install scripts.

This is gnuplot.

Scripts to save data in gnuplot-readable formats, specify gnuplot commands
that will be used to produce graphics, and call gnuplot. See help g_ez
quickly produce the most common plots.

WWW: http://octave.sourceforge.net/