VisiData is an open-source multitool for interacting with tabular data from within the terminal. It's great for investigative journalists, data scientists, unix command-line users, and anyone else who wants to quickly look at or manipulate data.
Small python script to easily navigate and view CSV files from the command line
Wrangler is an interactive tool for data cleaning and transformation.Spend less time formatting and more time analyzing your data.
Check out the top 5 most useful ruby gems that you may not have heard of!