Open Source Charting & Reporting Tools in Python

Gnuplot. py is a Python package that interfaces to gnuplot, the popular open-source plotting program. It allows you to use gnuplot from within Python to plot arrays of data from memory, data files, or mathematical functions.

Graphite is a Python graphing package. Graphite enable the creation of scientific, engineering, and business graphs. Some graph types to be included are line graphs, bar charts, function plots, polar plots, parametric plots, and mesh plots.

MatPlotLib is a python 2D plotting library which produces publication quality figures in a variety of hardcopy formats and interactive environments across platforms. matplotlib can be used in python scripts, the python and ipython shell (ala matlab or mathematica), web application servers, and six graphical user interface toolkits.

PyChart is a Python library for creating high quality Encapsulated Postscript, PDF, PNG, or SVG charts. It currently supports line plots, bar plots, range-fill plots, and pie charts.