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LibreOffice CalcMicrosoft Excel
Free

Free and open source, developed by The Document Foundation and community contributors.

 Freemium

Free online version; the desktop app and Copilot features come with paid Microsoft 365…

Windows, macOS, Linux Windows, macOS, Android, iOS, Web
  • Free with no account or subscription
  • Data analysis, formulas and charts
  • Widely used file format and formula language
  • Free collaborative editing in the browser
  • Installed with the whole LibreOffice suite rather than on its own
  • No built-in real-time co-editing like online spreadsheets
  • Full desktop app needs a Microsoft 365 subscription
  • Copilot features are tied to paid plans
Downloadable app Downloadable app, Web application
Open source Closed source
License: MPL-2.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked October 1, 2026

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