Jabarkan Software: dari Matriks ketaksamaan pendapatan dalam bahasa melayu

Free Online Calculator  computes the Gini Coefficient, plots the Lorenz curve, and computes many other measures of concentration for any dataset

Free Calculator: Online (example for processing data from Table HINC-06, U.S. Census Bureau, 2007: Income Distribution to $250,000 or More for Households) and downloadable scripts  (Python and Lua) for Atkinson, Gini, and Hoover inequalities

Python script using Formulas in Amartya Sen's On Economic Inequality

Users of the R data analysis software can install the "ineq" package which allows for computation of a variety of inequality indices including Gini, Atkinson, Theil.

A MATLAB Inequality Package , including code for computing Gini, Atkinson, Theil indexes and for plotting the Lorenz Curve. Many examples are available.