Manipulating dataframes in R and Python

While I have been using R for many years now (mainly for data manipulation and visualization), and I am extremely happy with some of its features (like how easy is to deal with data or to create interactive reports that can be exported in plenty of different outputs, such as pdf, documents, slides, dashboards or blog posts like this one).

OSM Imports' scripts

Collaborative repository with Python scripts aimed to import data into OpenStreetMap + its documentation

About Simplicity, Complexity and Deficiencies

There are two ways of constructing a software design: one way is to make it so simple that there are obviously no deficiencies; the other is to make it so complicated that there are no obvious deficiencies.