Kolab Now Alternatives

Apps similar to Kolab Now include Proton Mail, which is open source with a free version. Other options are Gmail, Tuta Mail, Zoho Mail and Posteo. There's no shortage of WebMail Providers like Kolab Now, with more than 50 alternatives for the web, Android, iPhone, Windows and Linux.

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Kolab Now alternatives page was last updated Sep 29, 2026

Mailgnificent
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Mailgnificent is a privacy-focused email client that brings all your mailboxes into one unified inbox without ever storing your mail contents.
50 Mailgnificent alternatives
Cost / License
Paid
Proprietary
Application typeApplication types
WebMail Provider
Email Client
Origin
Germany
EU
Platforms
Online
iPhone
Android
Android Tablet
iPad
Software as a Service (SaaS)
Germany
EU
Good alternative?Is Mailgnificent a good alternative to Kolab Now?
Office EU
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Office EU is a 100% European office suite with email, documents, calendar, and cloud storage. Open-source, GDPR-compliant, and free from foreign jurisdiction.
Cost / License
Paid
Proprietary
Application typeApplication types
Team Collaboration
Office Suite
Origin
Netherlands
EU
Platforms
Online
Software as a Service (SaaS)
Netherlands
EU
+4
Good alternative?Is Office EU a good alternative to Kolab Now?

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