"Important, commonly-used datasets in high quality, easy-to-use & open form".
Similarly, the data package can be downloaded as a zip file and unzipped into a folder. That will include the data files in .csv format, an open data licence, a read-me file, a json file and a Bash script that updates the data from source.
I can run the Bash script file on my laptop in an X-terminal window and it goes off and gets the latest data and formats it into 'tidy' csv format files.
Here is a screenshot of the script file updating and formatting the data.
Here is my chart.
Here is the R code for the chart.