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SmoothCSV vs LibreOffice Calc: catalog facts
SmoothCSV	LibreOffice Calc
Free Free to download; the site lists no paid tier.	Free Free and open source, developed by The Document Foundation and community contributors.
Windows, macOS, Linux	Windows, macOS, Linux
Opens large CSV files quickly Familiar spreadsheet-style grid with multi-cell editing	Free with no account or subscription Data analysis, formulas and charts
Focused on CSV only, not a full spreadsheet with formulas and charts Maintained by one developer in spare time	Installed with the whole LibreOffice suite rather than on its own No built-in real-time co-editing like online spreadsheets
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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