# 4 Best Open Source Alternatives for Google Workspace

Canonical: https://caniforkit.com/google-workspace
Last updated: 2026-11-07

Looking for the best open source alternative for Google Workspace? Compare 4 verified free and open source alternatives to Google Workspace (Tuta, CryptPad, ONLYOFFICE Docs) with license details, self-hosting requirements, and practical trade-offs.

## Google Workspace Overview & Subscription Cost
- **Product**: Google Workspace
- **Category**: [notes & knowledge](https://caniforkit.com/category/notes-knowledge)
- **Paid Subscription Price**: $10/month per seat
- **1-Seat Annualized Cost**: $120/year
- **5-Person Team Annualized Cost**: $600/year
- **10-Person Team Annualized Cost**: $1,200/year
- **Can I Vibe-Code / Rebuild It Myself?**: NO (use a free alternative, save the tokens)
- **Rebuild Verdict**: Instead of paying recurring SaaS fees for Google Workspace or rebuilding it from scratch, deploy one of the 4 battle-tested open-source alternatives like Tuta.

## Verified Free & Open Source Alternatives

| Alternative | Type | License | Runs On | GitHub Stars | Head-to-Head |
| --- | --- | --- | --- | --- | --- |
| [Tuta](https://caniforkit.com/fork/tuta) | Open Source | Open Source | Local | ★ 8.1k | [Compare vs Google Workspace](https://caniforkit.com/vs/google-workspace-vs-tuta) |
| [CryptPad](https://caniforkit.com/fork/cryptpad) | Open Source | AGPL-3.0+ | Self-host | ★ 8.1k | [Compare vs Google Workspace](https://caniforkit.com/vs/google-workspace-vs-cryptpad) |
| [ONLYOFFICE Docs](https://caniforkit.com/fork/onlyoffice-docs) | Open Source | Open Source | Self-host | ★ 7.1k | [Compare vs Google Workspace](https://caniforkit.com/vs/google-workspace-vs-onlyoffice-docs) |
| [LibreOffice](https://caniforkit.com/fork/libreoffice) | Open Source | Open Source | Local | ★ 4.6k | [Compare vs Google Workspace](https://caniforkit.com/vs/google-workspace-vs-libreoffice) |

## In-Depth Alternative Profiles

### Tuta
- **Fork Page**: [Tuta Profile](https://caniforkit.com/fork/tuta)
- **Head-to-Head Comparison**: [Google Workspace vs Tuta](https://caniforkit.com/vs/google-workspace-vs-tuta)
- **Official Website**: https://tuta.com
- **Source Code Repository**: https://github.com/tutao/tutanota
- **License**: Open Source
- **Runs On**: Local
- **GitHub Stars**: 8.1k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: desktop, cross-platform, one-click install
- **Summary**: Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
- **The Catch vs Google Workspace**: Community-driven open source project without dedicated enterprise SLAs.
- **Installation**: Clone https://github.com/tutao/tutanota or deploy with Docker Compose
- **Setup**: Download the native package or installer for your operating system.
- **Data Storage**: All application data lives locally on your own machine.

### CryptPad
- **Fork Page**: [CryptPad Profile](https://caniforkit.com/fork/cryptpad)
- **Head-to-Head Comparison**: [Google Workspace vs CryptPad](https://caniforkit.com/vs/google-workspace-vs-cryptpad)
- **Official Website**: https://cryptpad.org/
- **Source Code Repository**: https://github.com/cryptpad/cryptpad
- **License**: AGPL-3.0+
- **Runs On**: Self-host
- **GitHub Stars**: 8.1k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, they host it
- **Summary**: Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.
- **The Catch vs Google Workspace**: CryptPad provides a stronger encrypted drive but its whiteboard is markedly less delightful and capable for drawing, libraries, and diagram composition than Excalidraw+.
- **Installation**: Use a public CryptPad instance, or self-host the Node.js service behind a reverse proxy
- **Setup**: Public hosting is immediate; self-hosting requires two domains or subdomains, HTTPS, strict security headers, Node.js configuration, persistent storage, and careful upgrades/backups
- **Data Storage**: Documents are encrypted in the browser before upload; the server stores encrypted document files, blobs, and account pin metadata on its filesystem and cannot read document content

### ONLYOFFICE Docs
- **Fork Page**: [ONLYOFFICE Docs Profile](https://caniforkit.com/fork/onlyoffice-docs)
- **Head-to-Head Comparison**: [Google Workspace vs ONLYOFFICE Docs](https://caniforkit.com/vs/google-workspace-vs-onlyoffice-docs)
- **Official Website**: https://www.onlyoffice.com/office-suite.aspx
- **Source Code Repository**: https://github.com/onlyoffice/documentserver
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 7.1k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Open-source online editor for documents, spreadsheets, presentations, and PDFs. Features real-time collaboration, AI integration, and accessibility tools.
- **The Catch vs Google Workspace**: Requires self-hosting setup, updates, and server maintenance compared to managed Google Workspace.
- **Installation**: Clone https://github.com/onlyoffice/documentserver or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

### LibreOffice
- **Fork Page**: [LibreOffice Profile](https://caniforkit.com/fork/libreoffice)
- **Head-to-Head Comparison**: [Google Workspace vs LibreOffice](https://caniforkit.com/vs/google-workspace-vs-libreoffice)
- **Official Website**: https://www.libreoffice.org
- **Source Code Repository**: https://github.com/libreoffice/core
- **License**: Open Source
- **Runs On**: Local
- **GitHub Stars**: 4.6k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: desktop, cross-platform, one-click install
- **Summary**: Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.
- **The Catch vs Google Workspace**: Community-driven open source project without dedicated enterprise SLAs.
- **Installation**: Clone https://github.com/libreoffice/core or deploy with Docker Compose
- **Setup**: Download the native package or installer for your operating system.
- **Data Storage**: All application data lives locally on your own machine.

## Frequently Asked Questions

### What is the best free alternative to Google Workspace?
The top free alternative to Google Workspace is Tuta (open source, Open Source). Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking. Other popular Google Workspace replacements include CryptPad, ONLYOFFICE Docs, LibreOffice.

### How much does switching from Google Workspace to a free alternative save?
Google Workspace starts at $10/month per seat ($120/year). Switching a 5-person team to a free alternative like Tuta saves $600 per year in software subscription fees.

### What is the catch when switching away from Google Workspace?
While Tuta replaces core Google Workspace features without subscription fees, the real-world trade-off is: Community-driven open source project without dedicated enterprise SLAs.

## Related

- [notes & knowledge Software Category Hub](https://caniforkit.com/category/notes-knowledge)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Self-Hosted Software Directory](https://caniforkit.com/self-hosted)
- [Homepage](https://caniforkit.com)