📗 SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs
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OfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.
The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.
Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets
Excel Workbook Manager
- hacktoberfest
- xlsx
- xlsxwriter
- xlsxreader
A pure PHP library for reading and writing spreadsheet files
- php
- spreadsheet
- excel
- libreoffice
Free, open-source AI Office suite: Docs, Sheets, Slides, PDF, Markdown and HTML editors with a built-in AI agent, plus a `genoffice` CLI and agent skill so Claude Code, Codex and Cursor can create and edit real .docx/.xlsx/.pptx files locally. Bring your own key. macOS, Windows & Linux.
ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.
ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API.
Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents
- go
- golang
- ooxml
- openoffice
Lightweight and fast library written in C# for reading Microsoft Excel files
A Python module for creating Excel XLSX files.
- python
- xlsx-files
- libxlsxwriter
- pandas
xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.
🦉 Fast Excel import/export for Laravel
A C++ library for reading, writing, creating and modifying Microsoft Excel® (.xlsx) files.
- excel
- cpp
- cpp17
A C library for creating Excel XLSX files.
- xlsx-files
- libxlsxwriter
- c
- xlsxwriter
Spreadsheet Architect is a library that allows you to create XLSX, ODS, or CSV spreadsheets super easily from ActiveRecord relations, plain Ruby objects, or tabular data.
.xlsx file reader and writer for Qt5
Single API for reading, manipulating and writing data in csv, ods, xls, xlsx and xlsm files
Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
The Ruby Spreadsheet by ywesee GmbH
- excel
- xls
- spreadsheet
- ruby
Converting Can (Controller Area Network) Database Formats .arxml .dbc .dbf .kcd ...
- canbus
- python
- dbc
- arxml
Excel XLSX parser/generator written in JavaScript with Node.js and browser support, jQuery/d3-style method chaining, encryption, and a focus on keeping existing workbook features and styles in tact.
Excel spreadsheet (XLSX) format parser written in pure Swift
- swift
- excel
- excelreader
- excel-import