q - Run SQL directly on delimited files and multi-file sqlite databases

Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON

A terminal spreadsheet multitool for discovering and arranging data

WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

A list of command-line tools for manipulating structured text data

A command line tool that draw plots on the terminal.

Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.

The CSV magician

sq data wrangler

eBay's TSV Utilities: Command line tools for large, tabular data files. Filtering, statistics, sampling, joins and more.

A cross-platform, efficient and practical CSV/TSV toolkit in Golang

CSV parser for Swift

A CLI tool to convert CSV / Excel / HTML / JSON / Jupyter Notebook / LDJSON / LTSV / Markdown / SQLite / SSV / TSV / Google-Sheets to a SQLite database file.

🌈Rainbow CSV - Vim plugin: Highlight columns in CSV and TSV files and run queries in SQL-like language

Fast reading of delimited files

CSV validator, highlighter and formatter plugin for JetBrains Intellij IDEA, PyCharm, WebStorm, ...

Reads and writes CSV, fixed-length and other flat file formats with a focus on schema definition, configuration and speed.

Like awk, but with SQL and table joins

Zero Allocation Writer/Reader Parser for .NET Core

Visualize and graph data in the terminal