exceljs
Excel Workbook Manager - Read and Write xlsx and csv Files.
hyperformula
HyperFormula is a JavaScript engine for efficient processing of spreadsheet-like data and formulas
xlsx-populate
Excel XLSX parser/generator written in JavaScript with Node.js and browser support, jQuery/d3-style method chaining, and a focus on keeping existing workbook features and styles in tact.
excel4node
Library to create Formatted Excel Files.
@syncfusion/ej2-spreadsheet
Feature-rich JavaScript Spreadsheet (Excel) control with built-in support for selection, editing, formatting, importing and exporting to Excel