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Tablecruncher vs Modern CSV: catalog facts
Tablecruncher	Modern CSV
Free Free and open source.	Freemium Can be downloaded and used for free, with paid features available.
Windows, macOS, Linux	Windows, macOS, Linux
Opens CSV files over 2 GB and millions of rows JavaScript macros for editing and calculations	Opens large files that are slow in spreadsheet programs Commands operate on many rows, columns or cells at once
Linux build is still a beta Focused on CSV, not a full spreadsheet	Closed source Focused on delimited text files rather than full spreadsheet work
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account 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.