replacing Google Workspace
Open Source Google Workspace Alternatives
Email, docs, and collaboration suite — Google Workspace pricing: $6-$18/user/month. Below: 2 free,
self-hostable open source projects that cover the same ground, ranked by real GitHub adoption.
There are 2 open source Google Workspace alternatives tracked on this registry, against Google Workspace pricing of $6-$18/user/month. The most-adopted is Nextcloud with 36,828 GitHub stars under AGPL-3.0, written in PHP. Together the set has 38,950 stars across 2 languages and 2 licences. All 2 are free to self-host with no licence fee, and 2 of 2 received a commit in the last 90 days. 2 head-to-head Google Workspace comparisons are available.
Workspace pricing is per-user with annual commitments for the best rates. Business Standard at $12/user/month adds 2TB storage. All data lives on Google's infrastructure.
Our top 2 Google Workspace alternatives
Nextcloud is a self-hosted cloud collaboration platform built in PHP, licensed under AGPL-3.0. It enables organizations and individuals to store, synchronize, and share files, contacts, calendars, and other data on infrastructure they control, replacing reliance on third-party cloud services. The project lives in the open-source cloud software ecosystem and serves as a decentralized alternative to proprietary suites like Dropbox, Google Workspace, and Microsoft 365.
AGPL-3.0 · PHP · Google Workspace vs Nextcloud →
ownCloud Infinite Scale (oCIS) is a self-hosted file sync and share server written in Go under the Apache-2.0 license. It lives in the ownCloud ecosystem and uses reva as a scalable backend with open APIs such as WebDAV and CS3. It presents itself as the foundation for a data management platform and as an open alternative to Google Workspace and Google Drive.
Apache-2.0 · Go · Google Workspace vs ownCloud →
last updated nightly · ranking method: github stars, live-tracked
Frequently asked questions
What is the best open source alternative to Google Workspace?
Nextcloud is the most-starred open source alternative to Google Workspace in this registry, with 36,828 GitHub stars. 2 alternatives are compared here in total.
Are there free alternatives to Google Workspace?
Yes. Every project listed on this page is open source and free to self-host — there is no licence fee. Some projects also sell a managed hosted version, but the self-hosted path costs nothing.
What should I look at when replacing Google Workspace?
Compare licence terms, community size (stars), primary language and release activity. A fast-moving project with a compatible licence and an active maintainer base matters more than raw star count when you are committing to a migration.