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