GNU Recutils is a set of tools and libraries to access human-editable, plain text databases called recfiles.

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tabview is a curses command line CSV and tabular data viewer. The loaded CSV can be viewed interactively. Data in columns can be sorted in various ways, searched, zoomed and copied in the clipboard.

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csvkit is a suite of utilities for converting to and working with CSV, the king of tabular file formats. It includes commands to slice, search and join CSVs, and to extract information about the schema and a summary of the content.

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VisiData is a free, open-source tool that lets you quickly open, explore, summarize, and analyze datasets in your computer's terminal.

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