This picture originally posted here covers the following topics:
To zoom in, view picture in the original article, or click on picture. The original article also provides a detailed listing of all the 100+ entities listed in the picture, broken down in categories and sub-categories, some items belonging to multiple categories. Anyone interested in creating a clickable link for each of these entities? For instance, entity 1.1 (in the original article) is numpy, while 4.1 is matplotlib.
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