Docx GitHub Repositories (2026) · Open Source Tools

Get your documents ready for gen AI

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.

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.

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.

Open-source Android PDF and document toolkit with PDF tools, Office viewing, XLSX editing, scanning, and image editing. Built with Kotlin and Jetpack Compose.

A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web

Native OOXML engines in Rust - DOCX, XLSX & PPTX editing, rendering and real-time collaboration, compiled to WASM for the web.

Take a gander at any file. Offline, zero-permission Android viewer for PDF, Word, Excel, PowerPoint, ODT, RTF, ZIP, STL, photos, video, audio, Markdown and code.

Powerful web-based Word Processor for docx and odt. Free, Open Source, Private by Design

A simple and clean document app that protects your privacy

A browser-based viewer for Office Open XML documents that renders to an HTML Canvas element.

An open-source Office workspace where people and AI agents create, collaborate, and review together.

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

SuperDoc - Build AI agents that work with DOCX (DOCX Editor, DOCX Agent SDK)

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.

Translate full-length books and documents with Ollama, OpenAI-compatible, Gemini, Mistral, DeepSeek, Poe or OpenRouter. Preserves formatting. Resumes where you left off. No file size limits.

🐘 A PHP client for interacting with Gotenberg.