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Open-Xchange day view.png
Stable release
7.10.3[1] / December 4, 2019; 17 months ago (2019-12-04)
Repository Edit this at Wikidata
Operating systemSLES, RHEL, Debian, Univention Corporate Server, CentOS
TypeWeb desktop
LicenseCommunity Edition: Backend GPLv2, Frontend CC BY-NC-SA[2]

Open-Xchange is a web-based communication, collaboration and office productivity software suite, which enables full integration of email, documents, scheduling and social media.


Founded in 2005 by Rafael Laguna and Frank Hoberg, the software started as a Linux-based email and groupware solution that was positioned as open-source alternative to Microsoft Exchange.[citation needed]


The software includes a set of applications for email, contacts, calendars, media and documents. It integrates message streams from Google Mail, Hotmail, Facebook, Twitter and LinkedIn, and can be used as an alternative with integrated functionality similar to Microsoft Exchange Server and Office 365.[3]

In February 2014, file syncing and collaboration features have been added to the OX App Suite family.[citation needed]

In September 2014, the company introduced a tool called OX Guard to their existing open source email server. Individuals and businesses can use the software to operate their own email services.[4] In July 2015 PGP support has been announced for OX Guard.[5]


OX Community Edition Backend is released under the GNU General Public License, version 2, the Frontend is released under the Creative Commons Share Alike, Non Commercial, Attribution license.[2]


  1. ^ [1]
  2. ^ a b "AppSuite:Main Page AppSuite - Open-Xchange". Retrieved 2019-04-25.
  3. ^ Joos, Thomas (2015-05-18). "Open-Xchange App Suite als Alternative zu Exchange und Office 365" [Open-Xchange as an alternative to Exchange and Office 365]. (in German). CBS Interactive. Retrieved 2018-03-05.
  4. ^ By Klint Finley, Wired. "The Open Source Tool That Lets You Send Encrypted Emails to Anyone"
  5. ^ launches one-click email and content encryption based on PGP