Flexi reports
NodeJS Excel files parser & builder
SheetJS Spreadsheet Community Edition plus Basic Cell Styles
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.
A simple xlsx formula calculator.
Memory efficinet non-blocking/event based streaming XLSX reader
Excel (XLSB/XLSX/XLSM/XLS/XML) and ODS spreadsheet parser and writer (extended to enable read/write of cell formats with xlsx files)
SheetJS Spreadsheet data parser and writer
Diagnose stale cached XLSX formula values and recalculate XLSX formulas in Node.js without Excel, LibreOffice, or browser automation.
Create excel xlsx file from json
XLSX stream writer
A better xlsx lib for read / write / toTable / from Table
officeCrypto is a library for node.js that can be used to decrypt and encrypt excel files.
Excel (XLSB/XLSX/XLSM/XLS/XML) and ODS spreadsheet parser and writer (extended to enable read/write of cell formats with xlsx files)
Command-line interface for SheetJS
Compound File Binary File Format extractor
Excel (XLSB/XLSX/XLSM/XLS/XML) and ODS spreadsheet parser and writer (extended to enable read/write of cell formats with xlsx files)
A CSV on the Web based XLSX parser with RDF/JS Stream interface
SheetJS Spreadsheet data parser and writer
Generate .xlsx (Excel) files from templates built in Excel
Error comparison and information related utility for node and the browser
SOTA NPM module for agentic processes using local or cloud LLMs.
Convert CSV files to XLSX (Excel 2007+ XML Format) files via Node.js CLI or API.
Diagnose stale cached XLSX formula values and recalculate XLSX formulas in Node.js without Excel, LibreOffice, or browser automation.