What is ONLYOFFICE Docs used for?

ONLYOFFICE Docs is an online office suite with real-time collaborative editors for documents, spreadsheets, presentations, forms and PDFs. It is a good fit for adding document editing to a file-sharing platform, collaborative editing of Office files in the browser and embedding editors in your own product.

Is ONLYOFFICE Docs open source?

Yes. ONLYOFFICE Docs is open source under the AGPL-3.0 licence. Its source code is on GitHub at ONLYOFFICE/DocumentServer and is written mainly in Shell.

Is ONLYOFFICE Docs free?

Yes. ONLYOFFICE Docs is open source, so the software itself is free to use. A managed cloud version is also available.

Can I self-host ONLYOFFICE Docs?

Yes. ONLYOFFICE Docs can be self-hosted on your own server or infrastructure.

What is ONLYOFFICE Docs an alternative to?

ONLYOFFICE Docs is an open-source alternative to Microsoft 365, Google Workspace, Google Docs and Microsoft Word. Other open-source alternatives to Microsoft 365 include Collabora Online, CryptPad and LibreOffice.

Is ONLYOFFICE Docs actively maintained?

Yes. The most recent commit to ONLYOFFICE Docs was on 22 July 2026, and the latest release is v9.4.0, published on 19 May 2026. The project has 7k stars on GitHub.

ONLYOFFICE Docs: open-source alternative to Microsoft 365

About ONLYOFFICE Docs

ONLYOFFICE Docs, published in this repository as the document server, is an online office suite that bundles viewers and editors for text documents, spreadsheets, presentations, forms and PDF files. It is built around Office Open XML formats such as docx, xlsx and pptx, and it supports collaborative editing in real time. The server component runs on Node.js and is licensed under AGPL-3.0.

The vendor's site describes several ways to use it. Docs can be connected to other platforms for in-place editing, with ready integrations for products such as Box, Moodle, Nextcloud, Odoo and WordPress. It can be embedded in your own service under your own brand, and it powers the vendor's DocSpace, where you create rooms and invite people to work on documents. A demo lets you try editing and form filling without registration.

Free desktop apps for Windows, Linux and macOS and mobile apps for iOS and Android are offered for working with documents offline or on the go. The site also offers templates for forms, text documents, spreadsheets and presentations, and converters between formats. Commercial plans and pricing are published by the vendor.

Key features

Editors for documents, spreadsheets and presentations
Form creation and PDF form filling
Compatible with docx, xlsx and pptx
Real-time collaborative editing
Integrations with Nextcloud, Moodle, Odoo and others
Desktop and mobile apps

Good fit for

→Adding document editing to a file-sharing platform
→Collaborative editing of Office files in the browser
→Embedding editors in your own product

Built with: Shell; Node.js
Tags: office-suite; onlyoffice; document-editor; collaboration; docx; spreadsheet; pdf; self-hosted

ONLYOFFICE Docs: questions and answers

What is ONLYOFFICE Docs used for?: ONLYOFFICE Docs is an online office suite with real-time collaborative editors for documents, spreadsheets, presentations, forms and PDFs. It is a good fit for adding document editing to a file-sharing platform, collaborative editing of Office files in the browser and embedding editors in your own product.
Is ONLYOFFICE Docs open source?: Yes. ONLYOFFICE Docs is open source under the AGPL-3.0 licence. Its source code is on GitHub at ONLYOFFICE/DocumentServer and is written mainly in Shell.
Is ONLYOFFICE Docs free?: Yes. ONLYOFFICE Docs is open source, so the software itself is free to use. A managed cloud version is also available.
Can I self-host ONLYOFFICE Docs?: Yes. ONLYOFFICE Docs can be self-hosted on your own server or infrastructure.
What is ONLYOFFICE Docs an alternative to?: ONLYOFFICE Docs is an open-source alternative to Microsoft 365, Google Workspace, Google Docs and Microsoft Word. Other open-source alternatives to Microsoft 365 include Collabora Online, CryptPad and LibreOffice.
Is ONLYOFFICE Docs actively maintained?: Yes. The most recent commit to ONLYOFFICE Docs was on 22 July 2026, and the latest release is v9.4.0, published on 19 May 2026. The project has 7k stars on GitHub.