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Stable release 3.0.0 / January 27, 2016 (2016-01-27)
Operating system Linux
Available in Brazilian Portuguese, Catalan, Czech, Dutch, English, French, German, Hungarian, Italian, Russian, Spanish, Ukrainian, Welsh
Type Groupware
License GPL v2/LGPL v2

SOGo (formerly named Scalable is an open source collaborative software (groupware) server with a focus on simplicity and scalability. It is developed in Objective-C using PostgreSQL, Apache, and IMAP.

SOGo provides collaboration for Mozilla Thunderbird/Lightning, Microsoft Outlook, Apple iCal/iPhone and BlackBerry client users. Its features include the ability to share calendars, address books and e-mail using an open source, cross-platform environment. The Funambol middleware and the Funambol SOGo Connector allow SyncML clients to synchronize contacts, events and tasks.

SOGo supports standard groupware capabilities including CalDAV, CalDAV auto-scheduling, CardDAV, WebDAV Sync, WebDAV ACLs, and iCalendar.

Microsoft Outlook support is provided through an OpenChange storage provider to remove the MAPI dependency for sharing address books, calendars and e-mails. Native connectivity to Microsoft Outlook allows SOGo to emulate a Microsoft Exchange server to Outlook clients.


SOGo uses existing services including Microsoft Active Directory, OpenLDAP, SQL, and IMAP. Usage of industry services contributes to scalability. It is accessible through its web interface, desktop clients or mobile devices.

The web interface uses an AJAX interface and is available in several languages. Its look and feel mimics Mozilla Thunderbird and provides browser drag and drop capabilities for contacts, events and mail messages. Single sign-on security capabilities are available by using CAS, WebAuth, or Kerberos.

Supported desktop clients are Mozilla Thunderbird with the Lightning extension, Apple iCal, and Microsoft Outlook. The SOGo Connector and Integrator extensions for Thunderbird provide improved functionality.

Mobile devices are generally handled through the Funambol middleware and the Funambol SOGo Connector. This allows a SyncML-capable device to synchronize contacts, events and tasks. Devices such Apple's iPhone are handled natively by SOGo as the iPhone supports CalDAV and CardDAV.


The Groupware project, intended to replace Outlook and Microsoft Exchange Server, was spun off in 2003 as[1]

External links[edit]


  1. ^ Hines, Matt (11 July 2003). "Exchange targeted by open-source group". CNET News (CNet). Retrieved 17 June 2013.