Self-hosted alternatives to Microsoft Office

A complete office suite, self-hosted. Below are 6 open source options you host on your own server — with no monthly per-user fee and full control of your data.

Etherpad

★ 18,409

Highly customizable online editor providing collaborative editing in real-time.

Office Suites Apache-2.0

Grist

★ 11,176

Next-generation spreadsheet with relational structure, formula-based access control, and a portable, self-contained format (alternative to Airtable).

Office Suites Apache-2.0

CryptPad

★ 7,739

Collaboration suite built to enable collaboration, synchronizing changes to documents in real time.

Office Suites AGPL-3.0

ONLYOFFICE

★ 6,631

Office suite that enables you to manage documents, projects, team and customer relations in one place.

Office Suites AGPL-3.0

Collabora Online Development Edition

Collabora Online Development Edition (CODE) is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure.

Office Suites MPL-2.0

Digislides

Create multimedia presentations in a quick and easy way. (documentation in French).

Office Suites AGPL-3.0

Frequently asked questions

Is there a free self-hosted alternative to Microsoft Office?

Yes. We've gathered 6 self-hosted, open source alternatives to Microsoft Office — including Etherpad, Grist, CryptPad. You run all of them on your own server.

What is the best open source alternative to Microsoft Office?

Etherpad is one of the most popular (18,409 GitHub stars). The "best" depends on your case — compare the options below.

Do I need a server to replace Microsoft Office?

Yes. You can use a home server (homelab) or a cheap VPS (from ~€4/mo). See the hosting suggestions on this page.