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Group-Office calendar screenshot
Calendar view of Group-Office
Developer(s) Intermesh
Stable release
6.2.4 / May 25, 2016 (2016-05-25)
Operating system Platform-independent
Available in Chinese, Italian, Croatian, Czech, Danish, English, French, German, Greek, Norwegian Japanese Dutch,[1] Russian, Spanish
Type Groupware, CRM
License AGPL/Proprietary
Website Official site

Group-Office is a PHP based dual license commercial/open source groupware and CRM and DMS product developed by the Dutch company Intermesh. The open source version, Group-Office Community, is licensed under the AGPL, and is available via SourceForge. GroupOffice Professional is a commercial product and offers additionally mobile synchronisation, project management and time tracking.

The online suite puts independent office applications onto a central server, making them accessible through a web browser.[2] The suite includes file management, addressbook, calendar, email notes and website content management modules. The email client has IMAP, POP3 and S/MIME support, the calendar supports iCalendar import, and the professional version can be synchronised with personal digital assistants,[3] mobile phones,[4] and Microsoft Outlook.[5] In the Professional version, it is possible to create templates to export to[3] Files can be managed in an inbuilt file manager, and accessed through Samba, with webDAV and ownCloud support available.[3] Users may be managed within the application or in an LDAP system.[6]

A LAMP environment is recommended on the server,[6] and an review describes the installation process as "straightforward".[6] Linux is recommended as the system software, but it also runs on other Unix systems, including BSD Unix, and Mac OS X. From version 2.17 and up, Microsoft Windows is also supported as the system software.

In March 2010 Group-Office was compared to other collaborative software in the German c't magazine. A special version was included for the bundled DVD.[7]

As of November 2012, the project has had over 420,000 downloads from SourceForge since its public appearance in March 2003.[8] Sourceforge made a blog post about Group-Office in 2010.[9] Group-Office has had a stall and presentations at Linux Wochen 2005 in Vienna.[10] and OSC2005 in Tokyo.[11] The software has been translated into 27 locale[12] with local communities in Japan and Austria.[13] Version 2.13 of the software was included in the Dutch The Open CD.[14]

Mid 2012, Group-Office 4.0 was released. The PHP framework was completely rewritten using the Model View Controller design pattern. Version 4 was reviewed by PC World [15]

The software packages are maintained by a small team at Intermesh and has a small developer community, which is contributing features.

The headquarters are located in 's-Hertogenbosch, The Netherlands.

See also[edit]


  1. ^ "OSS groupware "Group-Office"" (in Japanese). 2005-09-13. Retrieved 2007-01-15. 
  2. ^ "Archived copy". Archived from the original on 2006-08-23. Retrieved 2006-11-27. 
  3. ^ a b c "Archived copy". Archived from the original on 2013-01-23. Retrieved 2013-01-12. 
  4. ^ "An open source CRM and groupware application". Group Office. 2016-04-07. Retrieved 2016-09-17. 
  5. ^ "GroupOffice groupware and CRM – Freecode". Retrieved 2016-09-17. 
  6. ^ a b c Bob Minvielle (May 17, 2004). "OSnews: Group-Office 2.2 Pro Review". Retrieved 2007-01-15. 
  7. ^ "Group-Office Community | heise Download". 2016-02-11. Retrieved 2016-09-17. 
  8. ^ "Archived copy". Archived from the original on 2004-12-21. Retrieved 2006-11-27. 
  9. ^ by (2010-01-21). "Connect everyone with Group-Office and watch productivity skyrocket | SourceForge Community Blog". Retrieved 2016-09-17. 
  10. ^ "An open source CRM and groupware application". Group Office. 2016-04-07. Retrieved 2016-09-17. 
  11. ^ "OSC2005-Fall timetable" (in Japanese). Retrieved 2007-01-15. 
  12. ^ (in Japanese)"ワイズノット、OSSグループウェア「Group-Office」をレンタルサーバにバンドル (Wise knot, OSS groupware "Group-Office" in rental server bundle)". zdnet (Japan). 2005-09-14. Retrieved 2007-01-15. 
  13. ^ "GroupOffice + Email + ownCloud". (in German). Retrieved 2016-09-17. 
  14. ^ (in Dutch)"Group Office". The Open CD. Retrieved 2007-01-15. 
  15. ^ Noyes, Katherine (2012-07-06). "Like Open Source? For Collaboration, Try Group-Office 4.0". Retrieved 2016-09-17. 

External links[edit]