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GNU datamash vs csvkit: catalog facts
GNU datamash	csvkit
Free Free software from the GNU Project under the GPL.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Group-by, mean, standard deviation and more in one command Works in shell pipelines with seq, sort and other tools	Runs SQL queries directly against CSV files with csvsql Converts Excel and JSON into CSV so the same pipeline handles everything
Command line only, no graphical interface Basic statistics rather than a full analysis environment	Python and pandas-free, so it is slow on very large files Development has been quiet in recent years
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.