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
C++/C library to construct Excel .xls files in code.
Open Source Airtable Alternative
Small, fast Java library for reading and writing CSV files
Open source web spreadsheet
Fetch the live NSE Stock Option Chain data in Excel
Excel interpolation add-in
Google Sheets Python API
A standalone, portable Ada package for producing Excel spreadsheets
NIFTY Index live option chain data in Excel sheet (in simplified view)
CSV Editor with Text-based User Interface (TUI) written in Pure Go
C++ library for creating XLSX files for MS Excel 2007 and above.
Data science spreadsheet with Python & SQL
A lightning fast JavaScript grid/spreadsheet
A terminal spreadsheet multitool for discovering and arranging data
A web-based JavaScript (canvas) spreadsheet
FREE Stock data downloader into an Excel sheet
Free and simple electronic spreadsheet