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Tags: Collaborative Software    

Zimbra alternatives and similar tools

Based on the "Collaborative Software" category.

  • SOGo

    5.8 9.7 L1 Zimbra VS SOGo
    SOGo is a very fast and scalable modern collaboration suite (groupware). It offers calendaring, address book management, and a full-featured Webmail client along with resource sharing and permission handling. It also makes use of documented standards (IMAP, CalDAV, CardDAV, etc.) and thereby provides native connectivity (without plugins) to many clients such as Microsoft Outlook, Apple iCal, the iPhone, Mozilla Lightning, and a plethora of mobile devices.
  • Horde Groupware

    This is the old, deprecated, monolith Horde repository, archived here for historical reasons.
  • The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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  • EGroupware

    Web based groupware server written in PHP, forum at
  • Citadel/UX

    Collaboration suite (messaging and groupware) that is descended from the Citadel family of programs.
  • Kolab

    Another groupware suite.

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