Browse free open source Spreadsheet software and projects 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
Open source web spreadsheet
C++/C library to construct Excel .xls files in code.
C++ library for creating XLSX files for MS Excel 2007 and above.
Excel interpolation add-in
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
CSV Editor with Text-based User Interface (TUI) written in Pure Go
Extends Project to export Excel report, audit the schedule and more...
NIFTY Index live option chain data in Excel sheet (in simplified view)
Repairs/Recovers Corrupt MS Office 2007 - 2013 Format Files
Free and simple electronic spreadsheet
Makes easy MS recommended Excel recovery methods - adds 5 of its own.
FREE Stock data downloader into an Excel sheet
Find and replace using Regex in Excel
Multiple Excel combiner including sheets with large data