For missing 2D graphs use the feature-request page on sourceforge.
3D support will follow after the release 1.0.0. See for more infos the road map site.
OctPlot is free open source software under the terms of the GNU General Public License (GPL). OctPlot is a handle graphics package for Octave, the free alternative to MATLAB(TM). OctPlot provides quality postscript(TM) and screen graphics.
OctPlot should run on following systems:
Download the actual version of OctPlot from the SourceForge project site.
It exists a special package of OctPlot for Debian GNU/Linux. More informations about this on the Debian package site.
Screenshots are also available from the SourceForge project site.