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

A list of command-line tools for manipulating structured text 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 command line tool that draw plots on the terminal.

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

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

🧚 pxi (pixie) is a small, fast, and magical command-line data processor similar to jq, mlr, and awk.