Matplotlib / pylab - matlab style python plotting (plots, graphs, charts)

Matplotlib / pylab - matlab style python plotting (plots, graphs, charts): "matplotlib is a python 2D plotting library which produces publication quality figures in a variety of hardcopy formats and interactive GUI environments across platforms. matplotlib can be used in python scripts, interactively from the python shell (ala matlab or mathematica), in web application servers generating dynamic charts, and embedded in GUI applications; see backends."