Office documents

ONLYOFFICE

Office suite from Riga with Microsoft-compatible editors.

open source self-hostable EU region available Ascensio System SIA (ONLYOFFICE) · LV

Docs, sheets and slides that open Office files faithfully; self-host or hosted.

Website ↗ Source ↗ Plan “Office documents” with it

How you can run it

Way	Where the data lives	Price basis	Verdict
Host it myself	your own server or hardware	free	green — You run it yourself: no data leaves your own infrastructure.
Hosted in Europe	region selectable (Europe available)	≈ €5/mo per seat	yellow — European company, European servers, but someone else runs it. You must pick the European region yourself; the data centre is run by a non-European cloud provider.
Hosted outside Europe	region selectable (Europe available)	≈ €5/mo per seat	red — Hosted outside Europe: your data sits under non-European jurisdiction.

Facts

Company / project	Ascensio System SIA (ONLYOFFICE) (LV)
Licence	AGPL-3.0
Self-hosting footprint	2048 MB RAM · 1 vCPU · 5 GB — small deployment: a household or a team of up to ~20 people
Commonly replaces	Microsoft 365
Upstream (awesome-selfhosted-data)	6,870 stars · updated 2026-07-22 · Nodejs, Docker
Provenance	curated, verified 2026-09-04

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