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Open Source Spreadsheets

A curated collection of the best open source applications and engines for creating, calculating, and analyzing data in tabular form.

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IronCalc

A spreadsheet engine you can embed, self-host, or run in the browser

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IronCalc is an open-source, Rust-powered spreadsheet engine with .xlsx support, 300+ functions, and bindings for JavaScript and Python.

Open Source Alternative to:

Microsoft Excel

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