xlsx
SheetJS Spreadsheet data parser and writer
officeparser
A Node.js library to parse text out of any office file. Currently supports docx, pptx, xlsx, odt, odp, ods, pdf files.
@syncfusion/ej2-pivotview
The pivot grid, or pivot table, is used to visualize large sets of relational data in a cross-tabular format, similar to an Excel pivot table.
exceljs
Excel Workbook Manager - Read and Write xlsx and csv Files.
jspreadsheet
Jspreadsheet is a lightweight, vanilla javascript data grid plugin to create amazing web-based interactive tables and spreadsheets compatible with other spreadsheet software.