| GroupOffice groupware | |
|---|---|
Calendar view of GroupOffice | |
| Developer | Intermesh |
| Stable release | 26.0.7
/ February 18, 2026 (2026-02-18)1 |
| Operating system | Platform-independent |
| Available in | Chinese, Italian, Croatian, Czech, Danish, English, French, German, Greek, Norwegian Japanese Dutch,2 Russian, Spanish |
| Type | Groupware, CRM |
| License | AGPL/Proprietary |
| Website | https://www.group-office.com |
| Repository | https://github.com/intermesh/groupoffice/ |
GroupOffice is an open-source groupware, CRM and DMS platform for enterprises and the public sector. It’s created and maintained by the Dutch company Intermesh. The software can either be self-hosted or run on Intermesh’s cloud infrastructure, where data is kept private.
Major features of the software include integrated file sharing, video conferencing, E-mail, calendar and contact management, project and time tracking, quoting and invoicing, support ticketing, and the Collabora Online office suite.
History
The first release was made via SourceForge in 20033.
In March 2010 GroupOffice was compared to other collaborative software in the German c't magazine. A special version was included for the bundled DVD.4
As of November 2012, the project has had over 420,000 downloads from SourceForge since its public appearance in March 2003.5 SourceForge made a blog post about GroupOffice in 2010.6 GroupOffice had a stall and presented at Linux Wochen 2005 in Vienna.7 and OSC2005 in Tokyo.8 The software has been translated into 27 locale9 with local communities in Japan and Austria.10 Version 2.13 of the software was included in the Dutch The Open CD.11
In mid-2012, GroupOffice 4.0 was released. The PHP framework was completely rewritten using the Model View Controller design pattern. 12
In February 2026, GroupOffice 26.0 was released.13
References
References
- "Release v26.0.7· Intermesh/groupoffice · GitHub". github.com. Retrieved 2023-08-14.
- "OSS groupware "GroupOffice"" (in Japanese). 2005-09-13. Archived from the original on 2006-12-31. Retrieved 2007-01-15.
- "First releases on SourceForge". Sourceforge.net. 2003-03-21.
- "Group-Office Community | heise Download". Heise.de. 2016-02-11. Retrieved 2016-09-17.
- "SourceForge.net: Project statistics". Archived from the original on 2004-12-21. Retrieved 2006-11-27.
- "Connect everyone with Group-Office and watch productivity skyrocket | SourceForge Community Blog". Sourceforge.net. 2010-01-21. Retrieved 2016-09-17.
- "An open source CRM and groupware application". Group Office. 2016-04-07. Retrieved 2016-09-17.
- "OSC2005-Fall timetable" (in Japanese). Retrieved 2007-01-15.
- (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.
- "GroupOffice + Email + ownCloud". Allmenda.com (in German). Archived from the original on 2016-04-26. Retrieved 2016-09-17.
- "Group Office". The Open CD (in Dutch). Retrieved 2007-01-15.
- Noyes, Katherine (2012-07-06). "Like Open Source? For Collaboration, Try Group-Office 4.0". PCWorld.com. Retrieved 2016-09-17.
- Rudra, Sourav (2026-02-09). "This Lesser-Known Nextcloud Alternative's Latest Release Makes it More Suitable for Small Businesses".