Go93Exceptionalhealth index

qax-os/excelizeGo language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets
Go★ 20.8KAug 5, 2026
Packagist90Excellenthealth index

openspout/openspout Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
PHP★ 1,225↓ 5.7M/moAug 27, 2026
C#★ 2,028Aug 3, 2026
npm87Excellenthealth index
TypeScript · Lean★ 37↓ 19.3K/moAug 5, 2026
Go · PyPI81Excellenthealth index
xuri/excelize-pyExcelize is a Python port of Go Excelize library that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files.
Python · Go★ 49Aug 1, 2026
npm · Go · NuGet80Excellenthealth index
mmonterroca/docxgoCreate and edit Microsoft Word (.docx) documents in pure Go — fluent builder, templates & mail merge, themes, tables, and images.
Go★ 111↓ 401/moJul 22, 2026
TypeScript★ 9↓ 37.8K/moAug 22, 2026
Packagist77Goodhealth index

PHPOffice/PHPWordA pure PHP library for reading and writing word processing documents
PHP★ 7,581↓ 1.9M/moAug 22, 2026
xuri/excelize-csExcelize is a C# port of Go Excelize library that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files.
C#★ 14Jul 22, 2026

iOfficeAI/OfficeCLIOfficeCLI 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.
C#★ 25.5K↓ 17.9K/moAug 5, 2026
npm · crates.io71Goodhealth index
TypeScript · Rust★ 609↓ 18.1K/moJul 15, 2026

kklimuk/docx-cliCLI for AI agents (Claude, Codex) to read, edit, and comment on .docx files with full format fidelity.
TypeScript★ 196↓ 1,281/moSep 5, 2026

mgilbir/spineZero-dependency Go library for reading and writing Microsoft Office documents (.docx, .xlsx, .pptx) with byte-identical round-trip fidelity
Go · Python★ 0Aug 10, 2026
crates.io · npm67Goodhealth index

openooxml/betterofficeNative OOXML engines in Rust - DOCX, XLSX & PPTX editing, rendering and real-time collaboration, compiled to WASM for the web.
Rust · TypeScript★ 48↓ 124/moAug 5, 2026
crates.io67Goodhealth index
Rust★ 37↓ 3,941/moAug 25, 2026
Packagist67Goodhealth index
turgutahmet/kolay-xlsx-streamStream millions of rows to XLSX with O(1) memory and direct S3 multipart upload. Laravel-friendly. PHPSpreadsheet alternative for large exports.
PHP★ 45↓ 2,944/moJul 17, 2026
npm · crates.io65Goodhealth index
TypeScript · Rust★ 22↓ 316.2K/moSep 5, 2026
npm63Moderatehealth index
TypeScript★ 1↓ 50.6K/moJul 23, 2026
NuGet63Moderatehealth index

rabanti-github/NanoXLSXNanoXLSX is a small .NET library written in C#, to create and read Microsoft Excel files in the XLSX format (Microsoft Excel 2007 or newer) in an easy and native way
C#★ 166Aug 20, 2026
npm57Moderatehealth index
onecer/AIOfficeGive your agent an Office engine — an AI-native CLI + MCP server that creates, edits, renders & validates real .docx / .xlsx / .pptx. One self-contained C#/.NET binary, no Microsoft Office.
C#★ 5↓ 2,741/moJul 16, 2026
npm56Moderatehealth index
JavaScript · TypeScript★ 50↓ 26.7K/moAug 3, 2026
PyPI56Moderatehealth index

nolze/msoffcrypto-toolPython tool and library for decrypting and encrypting MS Office files using passwords or other keys
Python★ 622↓ 14.5M/moAug 27, 2026
npm · NuGet56Moderatehealth index
TypeScript · C#★ 5↓ 3,876/moJul 20, 2026
npm54Moderatehealth index
joaquimserafim/openjsxlFast, zero-dependency, TypeScript-first Excel (.xlsx) reader for Node, Deno, Bun, and the browser.
TypeScript★ 1↓ 4,163/moJul 23, 2026
npm50Moderatehealth index
Firstp1ck/npm-packagesThis repository contains my public JavaScript/TypeScript packages published via npm (using Bun and/or npm).
JavaScript · TypeScript★ 33↓ 19.5K/moJul 21, 2026
TypeScript★ 6↓ 58.5K/moJul 21, 2026
TypeScript★ 0↓ 12.3K/moAug 7, 2026