Zarafa
Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile...
Zarafa Alternatives
The best Zarafa alternatives based on verified products, community votes, reviews and other factors.
Latest update:
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/zimbra-alternatives
Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.
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/iredmail-alternatives
A fully fledged, free email server solution, an open source project (GPL v2).
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Try for free
Warm up your cold email inbox, and never land in spam anymore!
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/roundcube-alternatives
Web-based IMAP email client
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/exchange-alternatives
On-demand technical interview coaching by engineers
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/axigen-alternatives
Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.
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/hmail-server-alternatives
hMailServer is a free e-mail server for Microsoft Windows.
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/sogo-alternatives
SOGo is groupware server with a focus on scalability and open standards.
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/horde-alternatives
Horde Groupware is a free, enterprise ready, browser based collaboration suite.
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/postfix-alternatives
Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
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/nextcloud-alternatives
With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
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/google-workspace-alternatives
Google's encompassing suite of cloud-based business apps.
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/microsoft-outlook-alternatives
Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
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/microsoft-exchange-server-alternatives
Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.