Top OFFICE GitHub Repositories & Tools (2026)

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

Python tool for converting files and office documents to Markdown.

Open-source Windows and Office activator featuring HWID, Ohook, TSforge, and Online KMS activation methods, along with advanced troubleshooting.

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.

Macro is a unified workspace for teams: email, chat, docs, tasks, agents, calls, and CRM — @-linked together with shared AI memory.

Read-only LibreOffice core repo - no pull request (use gerrit instead https://gerrit.libreoffice.org/) - don't download zip, use https://dev-www.libreoffice.org/bundles/ instead

Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets

Apache OpenOffice

PnP PowerShell

The app which enables the users to edit office documents from Nextcloud using ONLYOFFICE Document Server, allows multiple users to collaborate in real time and to save back those changes to Nextcloud

Powerful local Word Processor for docx and odt. Free, Open Source, Private by Design

React/Redux version of Graph Explorer used to learn the Microsoft Graph Api

Office 365 and Azure Active Directory plugins for Moodle

A lightweight Typescript library that interacts with Gotenberg's different modules to convert a variety of document formats to PDF files.

MIT-licensed PowerShell document automation for Word, Excel, PowerPoint, PDF, email, PST/OST, OneNote, Visio, OpenDocument, and mixed-format Reader workflows.

Pure Python HWPX automation: read, edit, generate, and validate documents without Hancom Office.

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

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

DeepSeek Harness Desktop App: a local AI desktop workspace for DSH Sessions, projects, files, web research, plugins, and Office artifacts.

DavMail POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at