[Spreadsheet File Format APIs for JavaScript Open Source JavaScript APIs for Spreadsheets Read, Write & Manipulate Microsoft Excel files via JavaScript. Spreadsheet File Format APIs for JavaScript Include SheetJS JS-XLSX Pure JavaScript implementation allows software developers to export, read and write the most popular format of Excel spreadsheets inside web browsers and servers. SlickGrid Open Source lightning fast JavaScript Spreadsheet Component for Speedy rendering, Column autosizing based on jQuery and jQueryUI. NodeOffice Open Source lightning fast JavaScript Spreadsheet component for speedy rendering, Column autosizing based on jQuery and jQueryUI. xlsx-populate Open Source JavaScript API to Populate Excel data from a sheet, add/edit/move/delete worksheet, XLSX agile encryption or decryption and much more.]
