Free & Open-Source Microsoft Excel Alternatives

Spreadsheet app with formulas, charts, and pivot tables.

1. LibreOffice Calc ↗ ★ PICKFOSSPRIVATE
   Open-source spreadsheet with full Excel-like formulas.
   ●○○Easy · Opens .docx / .xlsx / .pptx
2. OnlyOffice Spreadsheet ↗ FOSSPRIVATESELF-HOST
   OnlyOffice spreadsheet editor.
   ●○○Easy · Opens .docx / .xlsx / .pptx
3. Gnumeric ↗ FOSSPRIVATE
   Fast minimal spreadsheet for Linux/Windows.
   ●○○Easy · Opens .docx / .xlsx / .pptx