Zimbra

Comparisons anchored on Zimbra Collaboration against the self-hosted email suites its users move to after the 10.x licensing changes.

Zimbra vs Carbonio

Synacor's licensed Zimbra 10 against Zextras Carbonio, developed from Zimbra code with a free Community Edition: editions, supported operating systems, chat, files and video, and how mailboxes move between them.

Zimbra vs grommunio

Zimbra's web client and commercial tiers against grommunio's Exchange-compatible protocols for native Outlook: pricing from published lists, mobile sync, migration tooling and which fits an Outlook-heavy organization.

Zimbra vs SOGo

An all-in-one mail suite against a groupware front end on Postfix and Dovecot: what each includes, ActiveSync and Outlook support, licensing and the work to replace Zimbra with a SOGo-based stack such as mailcow.

Zimbra FOSS vs Zimbra Network Edition

What is open source in Zimbra 10 and what needs a license: building FOSS from zm-build scripts against licensed Standard and Professional tiers with clustering, ActiveSync and archiving, plus the end-of-support dates that force the choice.

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