A library containing common utilities and helpers for extractors.
Themes for stylized Vega and Vega-Lite visualizations.
A powerful library for manipulating and converting Excel (XLS, XLSX, XLSB), ODS, CSV and HTML files.
A TypeScript-based library for parsing Excel (XLSX) with browser support
Simple data set export to Excel xlsx file
Jspreadsheet is a lightweight, vanilla javascript plugin to create amazing web-based interactive data grids with spreadsheet like controls compatible with Excel, Google Spreadsheets and any other spreadsheet software.
Excel Workbook Manager - Read and Write xlsx and csv Files.
WorkPaper API, CLI evaluator, and MCP server for headless spreadsheet formulas in Node.js services and agents.
Simple lightweight string operation library for Typescript, works with Angular
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.
Recalculate SheetJS and xlsx workbook formulas in Node.js without Excel, LibreOffice, or browser automation.
SpreadJS Excel Import Export
Convert Excel date in integer format into JS date. Dates are stored as numbers in Excel and count the number of days since January 0, 1900 (1900 standard, for mac it is 1904, which means January 0, 1904 is the start date). Times are handled internally as
Download the json as excel
Scoped SheetJS formula recalculation package for Node.js without Excel, LibreOffice, or browser automation.
n8n community node extending Microsoft Excel with SharePoint file support
Tokenize Excel formulas
An MCP server that reads and writes spreadsheet data to MS Excel file
Convert Excel to JSON
Bilig WorkPaper runtime for Node.js services, agent tools, and server-side spreadsheet formulas.
Headless spreadsheet formula engine for Node.js services and agents with WorkPaper JSON persistence and formula readback.
Ultra-light Excel visualization component with virtual scrolling, themes, and framework adapters
Excel 365 calculation engine -- WASM binding
Microsoft Graph (O365) plugin for Codemation — starting with an On New Mail polling trigger