Top 4 Open-Source Alternatives to Gammadyne Clyton

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Gammadyne Clyton

Clyton is an email client with advanced security and spam filtering features.

Product categories

Calendar Email Email Clients Enterprise Communication Hosted Email SMTP Server Self-hosted Email

Summary

The top open-source alternatives to Gammadyne Clyton are Mailspring, Nextcloud Mail, and Tutanota. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Mailspring Landing Page
1

Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
Pricing:
- Open Source
#Email #Email Clients #Calendar 25 social mentions
Nextcloud Mail Landing Page
2

Nextcloud Mail

💌 Mail app for Nextcloud
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 5 social mentions
Tutanota Landing Page
3

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 177 social mentions
Roundcube Landing Page
4

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #SMTP Server #Email Clients 16 social mentions