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Alternatives to Zimbra Collaboration Suite
Zimbra Collaboration Suite is a popular software application. Here you can find self-hosted alternatives that offer similar functionality while giving you more control over your data and privacy.
Found 4 self-hosted alternatives
DAViCal
Server for calendar sharing.
Productivity
Automation self-hosted collaboration
475
View Project iRedMail
Full-featured mail server solution based on Postfix and Dovecot.
Social
mail server organization email hosting
1633
View Project Mail-in-a-Box
Turns any Ubuntu server into a fully functional mail server with one command.
Productivity
Security server Social
14525
View Project Courier MTA
Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services.
Automation
server Automation Social
161
View Project