Open Source Google Workspace AlternativesTop Mail Servers & Team Collaboration Tools like Google Workspace

The best open source alternative to Google Workspace is CryptPad. If that doesn't suit you, our users have ranked more than 50 alternatives to Google Workspace and seven of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Google Workspace are Nextcloud Hub, Zimbra Collaboration Suite, Kolab Community and Kolab Now.

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Google Workspace alternatives are mainly Mail Servers but may also be Team Collaboration Tools or WebMail Providers. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Google Workspace.

Google Workspace

136

Mail Server
Paid • Proprietary

Google Workspace (formerly Google Apps for Work / G Suite) is a collection of cloud computing, productivity and collaboration tools, software and products developed and marketed by Google. It consists of...

More about Google Workspace

Google Workspace alternatives page was last updated Jan 15, 2024

CryptPad
CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.
63 CryptPad alternatives
License model
- Freemium • Open Source
Application types
- Office Suite
- Spreadsheet App
Platforms
- Self-Hosted
- Software as a Service (SaaS)
+7
Top CryptPad Features
1. End-to-End Encryption
2. Real time collaboration
3. Collaborative writing
4. No registration required
5. Privacy focused
6. Kanban Board
7. Ad-free
8. No Tracking
9. Cloud Sync
10. Support for MarkDown
11. Works Offline
12. WYSIWYG HTML Editor
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CryptPad VS Google Workspace
Is CryptPad a good alternative to Google Workspace?
- CryptPad is the most popular SaaS & Self-Hosted alternative to Google Workspace.
- CryptPad is the most popular Open Source alternative to Google Workspace.
- CryptPad is Freemium and Open SourceGoogle Workspace is Paid and Proprietary
- CryptPad is Privacy focusedGoogle Workspace is not according to our users

Nextcloud Hub
Nextcloud is the most deployed on-premises file share and collaboration platform. Access & collaborate across your devices. As fully on-premises solution, Nextcloud Hub provides the benefits of online collaboration without the compliance and security risks.
51 Nextcloud Hub alternatives
License model
- Free • Open Source
Application types
- Team Collaboration Tool
- Calendar App
Platforms
- Self-Hosted
+4
Nextcloud Hub Features
1. Ad-free
2. Real time collaboration
3. Extensible by Plugins/Extensions
4. Cloud Sync
5. Privacy focused
6. Photo Gallery
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Nextcloud Hub VS Google Workspace
Is Nextcloud Hub a good alternative to Google Workspace?
Comments about Nextcloud Hub as an Alternative to Google Workspace

Guest
It protects your privacy. Keep your data yours! Also, it doesn't just drop products at random times...
Positive comment •Oct 24, 2022
0
- Nextcloud Hub is Free and Open SourceGoogle Workspace is Paid and Proprietary
- Nextcloud Hub is Privacy focusedGoogle Workspace is not according to our users

Zimbra Collaboration Suite
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
43 Zimbra Collaboration Suite alternatives
License model
- Freemium • Open Source
Application types
- Mail Server
- Calendar App
Platforms
- Linux
- Online
- Self-Hosted
Zimbra Collaboration Suite Features
Real time collaboration
ActiveSync
Active Directory integration
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Zimbra Collaboration Suite VS Google Workspace
Is this a good alternative to Google Workspace?

Kolab Community
Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to us, and hope that it is important to you thereafter.
44 Kolab Community alternatives
License model
- Freemium • Open Source
Platforms
- Linux
- Online
- Self-Hosted
Kolab Community Features
1. Real time collaboration
2. CalDAV Support
3. WebDAV Support
4. IMAP Support
5. CardDAV Support
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Kolab Community VS Google Workspace
Is Kolab Community a good alternative to Google Workspace?

Kolab Now
Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.
76 Kolab Now alternatives
License model
- Paid • Open Source
Application types
- Calendar App
- Mail Server
Platforms
- Online
- Software as a Service (SaaS)
- DAVdroid
Kolab Now Features
1. Support for Aliases
2. Real time collaboration
3. Privacy focused
4. End-to-End Encryption
5. CalDAV Support
6. WebDAV Sync
7. CardDAV Support
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Kolab Now VS Google Workspace
Is Kolab Now a good alternative to Google Workspace?

WikiSuite
WikiSuite™ is especially suited to knowledge-centric organizations and offers most (80%+) of the data and information management features all organizations need.
7 WikiSuite alternatives
License model
- Free • Open Source
Platforms
- Linux
- Self-Hosted
WikiSuite Features
Real time collaboration
Free courses
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WikiSuite VS Google Workspace
Is WikiSuite a good alternative to Google Workspace?

OpenChange
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
29 OpenChange alternatives
License model
- Free • Open Source
Application type
- Mail Server
Platforms
- Linux
OpenChange Features
Exchange
Show all NaN OpenChange features ▾
Discontinued
Last release is from 2015
OpenChange VS Google Workspace
Is OpenChange a good alternative to Google Workspace?