DeciCalc

? ? ? Open Source Airtable Alternative

? SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs

JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ?

? The Next Gen Airtable Alternative: No-Code Postgres

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.

Go language library for reading and writing Microsoft Excel? (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets

Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.

??? APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

The project has been migrated to @wolf-table/table https://github.com/wolf-table/table

A pure PHP library for reading and writing spreadsheet files