Excel and CSV read write utility.
Read `.xlsx` files in a web browser or in Node.js
Write simple `*.xlsx` files in a browser or Node.js
Aspose.Cells for Node.js via C++ is a high-performance and powerful library for manipulating and converting Excel (XLS, XLSX, XLSB), ODS, CSV, and HTML files, offering a comprehensive set of features for creating, editing, converting, and rendering spread
Zero-dependency TypeScript toolkit — Excel (XLSX), PDF, CSV, Markdown, XML, ZIP/TAR, and streaming.
AG Grid Styles and Themes
Excel (XLSB/XLSX/XLSM/XLS/XML) and ODS spreadsheet parser and writer (extended to enable read/write of cell formats with xlsx files)
Convert objects/arrays into a CSV string or write them into a CSV file
An MCP server that reads and writes spreadsheet data to MS Excel file
A CSV encoder stream that produces properly escaped CSVs.
Local AI assistant: 80 tools (Gmail, Calendar, Drive, GitHub, Slack, browser, code, files), 38 agents, visual workflows (Studio, AWF, WebCraft). Install with `npm i -g nothumanallowed`, run with `nha ui`. Free tier built-in (Liara), no API key required. Y
A powerful library for manipulating and converting Excel (XLS, XLSX, XLSB), ODS, CSV and HTML files.
Read/write IEEE754 floating point numbers from/to a Buffer or array-like object
A powerful library for manipulating and converting Excel (XLS, XLSX, XLSB), ODS, CSV and HTML files.
A parser and formatter for delimiter-separated values, such as CSV and TSV
smart-buffer is a Buffer wrapper that adds automatic read & write offset tracking, string operations, data insertions, and more.
XLSX stream writer
TypeScript definitions for csv-write-stream
Node spreadsheet is a module to read and write Excel and CSV files using PHPExcel from phpexcel.codeplex.com.
CSV parser and writer
Access the system clipboard (copy/paste)
fs read and write streams based on minipass
An AI agent that lives on your computer and has Excel superpowers. Made by the [Shortcut](https://shortcut.ai) team.
fast-csv formatting module
Tabular is a Ruby library for reading, writing, and manipulating CSV, tab-delimited and Excel data.
Spr[eadsh]eet handler for CSV(RW), Excel CSV(RW) and ODS(RW). The goal is to read and write in many open formats.
Workbook contains workbooks, as in a table, contains rows, contains cells, reads/writes excel, ods and csv and tab separated files, and offers basic diffing and sorting capabilities.
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