Zero-dependency spreadsheet engine. Read & write XLSX, CSV, ODS. Pure TypeScript, works everywhere.

Ruby library for parsing large Excel files.

Typed import, and export XLSX spreadsheet to JS / TS. Template-based create, render, and export data into excel files.

An easy-to-use implementation of a streaming Excel reader using Apache POI

A PHP library for fast and efficient reading of very large XLSX files, focusing exclusively on basic data processing

XLSX parser for LLMs, RAG, LangChain, LangGraph, CrewAI, Claude, MCP — turns Excel (.xlsx) into citation-ready JSON with formulas, charts, dependency graphs, and token-counted chunks. Open-source Python library (MIT).

C#解析xlsx，xls，csv并生成代码。支持插入到sqlite(生成sql语句)

A CSV, XLSX or JSON data sheet reader, and a WPF Sheet Control to display the tabular data

FileMapper KMP is a lightweight Kotlin Multiplatform library that seamlessly maps XLSX and JSON files directly to Kotlin Data Classes. It provides platform-native file pickers, pure logic APIs, and Compose-ready controllers across Android, iOS, Desktop, and Web (Wasm/JS), complete with built-in localization and RTL (Arabic) support.

Native Rust port of IBM's Docling document processing library. Convert PDF, DOCX, XLSX, PPTX, HTML, Markdown, and CSV to structured data for RAG applications.

Easily stream large tables in xlsx sheets with Golang

Seamlessly browse, search, and manage all your Excel files (.xls and .xlsx) with ease.

Sample project of converting Microsoft Excel files to XML using C#

Very simple to implement xlsx parser to extract data from spreadsheets for php 8.1+

Simple demo to show how we can parse csv server side in Remix world

Broker eXchange Parser

Universal MCP server for extracting text from various document formats and converts to .md file

Budget manager app that allows user to manage account budget, and to save it in database

This is an web app to show a routine using google sheet xlsx file

xlsx to JSON parser. Also support i18next format. Relies on node-xlsx.