Browse free open source Spreadsheet software and projects for Windows below. Use the toggles on the left to filter open source Spreadsheet software by OS, license, language, programming language, and project status.
The free and Open Source productivity suite
A pure PHP library for reading and writing spreadsheet files
C++/C library to construct Excel .xls files in code.
Excel interpolation add-in
Open source web spreadsheet
Small, fast Java library for reading and writing CSV files
A standalone, portable Ada package for producing Excel spreadsheets
Fetch the live NSE Stock Option Chain data in Excel
A terminal spreadsheet multitool for discovering and arranging data
CSV Editor with Text-based User Interface (TUI) written in Pure Go
C++ library for creating XLSX files for MS Excel 2007 and above.
Perform automatic: compare,copy,delete,merge,format,password removal
NIFTY Index live option chain data in Excel sheet (in simplified view)
A lightning fast JavaScript grid/spreadsheet
Extends Project to export Excel report, audit the schedule and more...