ONLYOFFICE
Self-hosted office suite with real-time collaboration.
Open source alternative to:
ONLYOFFICE is a free and open-source office suite that provides a web-based platform for creating, editing, and collaborating on documents, spreadsheets, and presentations in real time. It offers a familiar interface similar to Microsoft Office and supports a wide range of file formats including .docx, .xlsx, and .pptx.
The suite includes collaborative editing with track changes, comments, version history, and granular access permissions. ONLYOFFICE can be integrated directly into platforms like Nextcloud, Seafile, and ownCloud, making it a powerful self-hosted alternative to Google Workspace tools. It supports formulas, charts, pivot tables, and mail merge for advanced productivity workflows.
Licensed under AGPL-3.0, ONLYOFFICE DocumentServer is fully self-hostable via Docker and is trusted by organizations worldwide. It also offers a desktop application and mobile apps, rounding out a complete productivity suite for teams that want to leave Google Docs and Sheets behind.
Looking for contributors
This project is actively seeking help, join the community!
Repository details
Updated 5/12/2026, 10:00:48 AM
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