Word GitHub Repositories (2026) · Open Source Tools

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.

Build your own AI office with Univer Office SDK. Bring editing, calculation, collaboration, and file processing into your product for people and AI agents. Built on an extensible open-source core.

A developer-friendly API for converting many document formats into PDF files, and more!

a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.

Swiss-army toolkit for .docx — faithful DOCX→HTML rendering, an in-browser block editor, Word-grade redlines with native tracked changes, and anchor-addressed markdown for LLM agents. .NET, WASM/TypeScript, Python, CLI.

Local-first browser editor for Word, Excel, PowerPoint and PDF, with an experimental AI assistant. No Office installation or account required.

Convert Word (.docx) documents to clean Markdown: CLI, Node library, or in your browser at word2md.com

Easily generate and modify .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.

DocxTemplater: C# library for generating DOCX documents with templates, supporting placeholders, loops, tables, charts, Markdown/HTML, and image embedding. Ideal for document automation.

🐘 A PHP client for interacting with Gotenberg.

Ruby gem & CLI to convert Word (.docx) documents to Markdown. Superseded by word-to-markdown-js at word2md.com

MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.