Best Open Source Alternatives to Google Workspace

Compare the best free and open-source alternatives to Google Workspace — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 7 alternatives

Google Workspace

Proprietary SaaS

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Platformsweb, mobile, android, ios

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Google Workspace alternatives compared

Open-source alternatives to Google Workspace, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Etherpad	18,465	Apache-2.0	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit
CryptPad	7,814	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit
ONLYOFFICE Docs	6,772	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit
LibreOffice	4,185	MPL-2.0	LinuxmacOSWindows	No	Aug 2026	Visit
Collabora Online	3,313	MPL-2.0	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit
Collabora Office	3,313	MPL-2.0	Linux	No	Jul 2026	Visit
Apache OpenOffice	1,223	Apache-2.0	LinuxmacOSWindows	No	Aug 2026	Visit

Top open-source Google Workspace alternatives

Etherpad18,465Apache-2.0

A highly customizable open-source real-time collaborative document editor.

LinuxmacOSWindowsDockerWeb

vs Google Workspace: a free, open-source option you fully control, licensed Apache-2.0.

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CryptPad7,814AGPL-3.0

A private, zero-knowledge, and secure real-time collaborative office suite.

LinuxmacOSWindowsDockerWeb

vs Google Workspace: a free, open-source option you fully control, licensed AGPL-3.0.

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ONLYOFFICE Docs6,772AGPL-3.0

A powerful online office suite offering editors for text documents, spreadsheets, and presentations.

LinuxmacOSWindowsDockerWeb

vs Google Workspace: a free, open-source option you fully control, licensed AGPL-3.0.

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LibreOffice4,185MPL-2.0

The world's leading free and open source personal office productivity suite.

LinuxmacOSWindows

vs Google Workspace: a free, open-source option you fully control, licensed MPL-2.0.

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Collabora Online3,313MPL-2.0

A powerful LibreOffice-based online office suite with rich document collaboration.

LinuxmacOSWindowsDockerWeb

vs Google Workspace: a free, open-source option you fully control, licensed MPL-2.0.

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Best Open Source Alternatives to Google Workspace

Google Workspace

Google Workspace alternatives compared

Top open-source Google Workspace alternatives

More alternatives to Google Workspace

Collabora Office

Apache OpenOffice