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 November 2026 · 6 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	18,616	Apache-2.0	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
CryptPad	8,039	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
ONLYOFFICE Docs	7,081	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Oct 2026	Visit
LibreOffice	4,591	GPL-3.0	LinuxmacOSWindows	No	Nov 2026	Visit
Collabora Online	3,389	MPL-2.0	LinuxmacOSWindowsDocker	Yes	Oct 2026	Visit
Apache OpenOffice	1,262	Apache-2.0	LinuxmacOSWindows	No	Nov 2026	Visit

Top open-source Google Workspace alternatives

Etherpad18,616Apache-2.0

Etherpad is an open-source text editor replacing Google Docs for real-time collaborative drafting with distinct author colors and full revision playback.

LinuxmacOSWindowsDockerWeb

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

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CryptPad8,039AGPL-3.0

CryptPad is an open-source alternative to Google Workspace that provides end-to-end encrypted documents, spreadsheets, and forms directly in your browser.

LinuxmacOSWindowsDockerWeb

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

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ONLYOFFICE Docs7,081AGPL-3.0

ONLYOFFICE Docs replaces Microsoft 365 with native Office Open XML compatibility and collaborative document editing on your own servers.

LinuxmacOSWindowsDockerWeb

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

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LibreOffice4,591GPL-3.0

LibreOffice replaces Microsoft 365 with an offline, open-source office suite for documents, spreadsheets, and presentations without subscription fees.

LinuxmacOSWindows

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

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Collabora Online3,389MPL-2.0

Collabora Online is an open-source alternative to Microsoft 365 that brings self-hosted, server-rendered document editing to your web browser.

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

The modern standard for Protobuf workflows

Mentoring for backend developers. Consulting for startups.

More alternatives to Google Workspace

Apache OpenOffice