List of collaborative software
From Wikipedia, the free encyclopedia
This list is divided into proprietary or free software, and open source software, with several comparison tables of different product and vendor characteristics. It also includes a section of project collaboration software, which is a standard feature in collaboration platforms.
General
Systems listed on a light purple background are no longer in active development.
General Information
| Name | Creator | Latest stable release | Stable release date |
First public release date |
Database backend | License | Software product available |
SaaS available |
|---|---|---|---|---|---|---|---|---|
| Adobe LiveCycle | Adobe | 9 | 2010 | Filesystem | Proprietary | Yes | No | |
| Alfresco | Alfresco Software | 23.4[1] | 2024-11-22[±] | 2005 | MariaDB, MySQL, Oracle, PostgreSQL, SQL Server[2] | LGPL | Yes | Yes |
| Altova MetaTeam | Altova GmbH | 2013 | 2012 | 2010 | Cloud | Proprietary | No | Yes |
| Assembla | Assembla | Continuous Delivery | 2013 | 2006 | Proprietary | Yes | Yes | |
| Collaborate | HighQ | 4.4 | 2018 | 2001 | Proprietary | No | Yes | |
| Collabora Online | Collabora | 25.04.8.3[3]  |
2026-02-06 | 2016 | n/a as integrates with storage providers | MPLv2 | Yes | Yes |
| ConceptDraw Office | CS Odessa | 4.4 | 2018-04-17 | 2008 | Proprietary | Yes | Yes | |
| Confluence | Atlassian | 8.5.2[4] | 4 October 2023[±] | 2004 | Proprietary | Yes | Yes | |
| CryptPad | XWiki SAS | v2025.9.0[5] | 2025 | 2017[6] | Filesystem | AGPL-3.0 license | Yes | Yes |
| Drupal | Drupal | 11.3.2[7] |
8 January 2026; 2 months ago | 2001 | MariaDB, Microsoft SQL Server, MySQL, Percona Server, PostgreSQL, SQLite[8] | GPL 2, 3 | Yes | Yes |
| EGroupware | EGroupware | 16.1 | 2021 | 2003 | MariaDB, MySql, PostgreSQL | GPLv2 | Yes | Yes |
| Easy Redmine | Easy Software | 13.3.0 | October 2023 | 2007 | MySQL database (Percona) | Proprietary Software based on Redmine | Yes | Yes |
| EMC Documentum eRoom | EMC | 7.4.4 | 2012 | 2003 | Filesystem | Proprietary | Yes | No |
| Google Drive | Cloud | Proprietary | No | Yes | ||||
| GoTo Connect | GoTo | 4.15.0 | 2025-05-22 | March 2019 | Cloud | Proprietary | Yes | Yes |
| Grasshopper | GoTo | v6.2.2 | 2025-06-16 | 2003 | Cloud | Proprietary | Yes | Yes |
| HumHub | HumHub GmbH & Co. KG | 1.17.5[9] | 2025-12-11; 3 months ago | 2014 | MariaDB, MySQL[10] | AGPL | Yes | Yes |
| IBM Connections Suite | IBM | 6 CR5[11] | 2019-05-30[±] | June 27, 2007 | IBM Db2 | Proprietary | Yes | Yes |
| IBM Domino | IBM | 8.5.2 | 2010-08-24 | December 1996 | Proprietary | Yes | Yes | |
| IBM Notes | IBM | Proprietary | Yes | Yes | ||||
| IBM Sametime | IBM | Proprietary | Yes | Yes | ||||
| ICEFLO | Agenor Technology | v 3.15.0 | 2009 | IBM SoftLayer | Proprietary | Yes | Yes | |
| IceWarp Mail Server | IceWarp | 12.1.1 | 2018-10-30 | 1998 | Proprietary | Yes | Yes | |
| InLoox | InLoox, Inc. | 10.2.8[12] | 2021-03-29 | 1999 | Microsoft SQL Server[13] | Proprietary | Yes | Yes |
| Jive | Jive Software | 9.0.7.1[14] | 2019-03-20[±] | 2006 | Oracle, MS SQL, Db2, mySQL, Postgres | Proprietary | ||
| Kolab | The Kolab-Project and Kolab Systems AG | 3.3 | 2014-08-20 | July 17, 2003 | IMAP(File/mail)-based | various Free Software licenses | Yes | Yes |
| Kune | Comunes Collective | 1.0.0 | 2015-03-18 | July 17, 2003 | AGPL | Yes | Yes | |
| LibreOffice Online | The Document Foundation | 6.13 | 2018 | 2017 | MPL 2.0 | Yes | No | |
| LogicalDOC | Logical Objects | Community Edition 8.7.3 | 2022-02-08 | 2006 | LGPL | Yes | Yes | |
| Microsoft Exchange Server | Microsoft | 2016 | 2011-08-04 | 2007 | Exchange DB | Proprietary | Yes | Yes |
| Microsoft Live Meeting | Microsoft | 2007 | 2007 | 1997 | Proprietary | Yes | Yes | |
| Microsoft Lync Server | Microsoft | 2010 | 2010 | November 2000 | SQL Server or SQL EE | Proprietary | Yes | Yes |
| Microsoft Office | Microsoft | 2016 | 2016 | 1990 | Proprietary | Yes | Yes | |
| Microsoft Project Server | Microsoft | 2010 | 2010-06-15 | 2000 | Proprietary | Yes | Yes | |
| Microsoft SharePoint Foundation | Microsoft | 2013 SP1 | 2014-04-17 | 2001 | SQL Server or SQL EE | Proprietary | Yes | No |
| Microsoft SharePoint Server | Microsoft | 16.0.19127.20518[15] | 2026-2-10 | 2001 | SQL Server or SQL EE | Proprietary | Yes | Yes |
| Microsoft SharePoint Workspace | Microsoft | 16.0.19127.20518 | 2026-2-10 | 2007 | Proprietary | Yes | No | |
| Microsoft Team Foundation Server | Microsoft | 2015 | 2015 | 1994 | SQL Server or SQL EE | Proprietary | Yes | No |
| Microsoft Windows Live | Microsoft | 2011 | 2010-09 | November 1, 2005 | Cloud | Proprietary | No | Yes |
| Nefsis | Nefsis | 3.72 | 2011-01-07 | 1998 | Cloud | Proprietary | Yes | Yes |
| Nextcloud | Nextcloud | 33.0.0[16] |
2026-02-18; 21 days ago | 2016 | MariaDB, MySQL, Oracle, PostgreSQL, SQLite[17] | AGPLv3+ | Yes | Yes |
| Notion | Notion Labs Inc. | 2016 | Proprietary | Yes | Yes | |||
| Oracle WebCenter | Oracle | 11g | 2009-07 | Proprietary | ||||
| Redmine | 2006 | Multpiple | GPLv2 | Yes | Yes | |||
| SAP NetWeaver Portal | SAP | 2004 | Proprietary | |||||
| Tiki Wiki CMS Groupware | Tiki Software Community Association | 27.1[18] |
2024-11-23; 15 months ago | October 2002 | MariaDB, MySQL[19] | LGPL | Yes | No |
| TrackerSuite.Net | Automation Centre | 3.6 | 2010-11 | 2006 | SQL Server | Proprietary | Yes | Yes |
| Traction TeamPage | Traction Software | 7.0 (23)[20] | 2025-11-30[±] | December 1, 1999 | NoSQL Journal, MySQL | Proprietary | Yes | Yes |
| Wrike | Wrike | 2013 | 2007 | 2006 | PostgreSQL | Proprietary | No | Yes |
| WPS Office | Kingsoft | 2019 | 2019-05-06 | 1988 | SQL Server or SQL EE | Proprietary | Yes | Yes |
| XWiki | XWiki | 18.1.0[21] | 2026-02-23[±] | May 22, 2007 | HSQLDB, MariaDB, MySQL, PostgreSQL, Oracle[22] | LGPL | Yes | Yes |
| Xaitporter | Xait | 2014 | 2002 | 2001 | Oracle | Proprietary | No | Yes |
| Zoho Projects | Zoho | 5.0 | 2015-01-20 | August 26, 2006 | MySQL | Proprietary | No | Yes |
| Name | Creator | Latest stable release | Stable release date |
First public release date |
Database backend | License | Software product available |
SaaS available |
Comparison of unified communications features
| Name | E-mail server | Faxing | Instant messaging | Telephony | Videoconferencing | Web conferencing | Data conferencing | Application sharing | Electronic meeting system | Synchronous conferencing |
|---|---|---|---|---|---|---|---|---|---|---|
| GoTo Connect | No | Yes, virtual fax to email | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| IBM Sametime | No, integrated with Lotus Domino | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| IBM Lotus Domino | Yes | Yes | Yes with integrated Sametime | Yes with integrated Sametime | Yes with integrated Sametime | Yes with integrated Sametime | No | Yes with integrated Sametime | Yes with integrated Sametime | No |
| IceWarp Mail Server | Yes | No | Yes | Yes | Yes | Yes | No | No | No | Yes |
| Microsoft Exchange Server | Yes | Yes | No | No | No | No | No | No | Yes | No |
| Microsoft Lync Server | No, integrated with Exchange Server | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Microsoft SharePoint | No, integrated with Exchange Server | No | No | No | No | No | No | No | Yes | No |
| Nextcloud | Yes | Yes, email to VOIP | Yes | Yes | Yes | Yes | Yes collaborative editing with integrated video conferencing | Yes | Yes | Yes |
| Name | E-mail server | Faxing | Instant messaging | Telephony | Videoconferencing | Web conferencing | Data conferencing | Application sharing | Electronic meeting system | Synchronous conferencing |
Comparison of collaborative software features
| Name | Wikis | Web publishing | Calendaring software | Project management | Workflow system | Document management | List management | XML Forms management and workflow | Discussion | Blogs | Surveys | Time tracking | Business intelligence | Charting | Bookmarking, Tagging, Rating and Comments | Social software | Enterprise search | Office suite |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ClickUp | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Easy Redmine | Yes | Yes | Yes | Yes | Yes | Yes | No | No | Yes | No | No | Yes | No | Yes | Yes | Yes | Yes | No |
| EGroupware | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No | Yes | Yes | Yes | Yes | No | Yes | Yes, web, webdav |
| Google Workspace | Yes, Sites | Yes, Sites | Yes | No | No | Yes, simple | No | Yes, simple | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes | Yes |
| IBM Connections | Yes | Yes | Yes | Yes, simple | Yes | Yes, simple | No | No | Yes | Yes | No | No | No | No | Yes | Yes | No | No |
| IBM Lotus Domino | No | No | Yes | Yes, simple | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No |
| IceWarp Mail Server | No | No | Yes | Yes, simple | Yes | Yes | No | No | Yes | No | No | No | No | No | Yes | Yes | No | Yes |
| InLoox | No | No | Yes | Yes | Yes | Yes | Yes | No | Yes | No | No | Yes | Yes | Yes | Yes, limited | Yes | Yes | Yes, MS Office Interface |
| Jive Software | Yes | Yes | Yes | Yes, simple | No | Yes | No | No | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes | Yes, MS Office Interface |
| Kune | Yes | In development | Yes | Yes, simple | No | Yes | yes, wave-based | No | Yes | Yes | yes (gadget) | No | No | No | In development | Yes | No | Real-time collaborative documents |
| Microsoft Exchange Server | No | No | Yes | Yes, simple | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Microsoft Office | No | No | No | No | No | Yes, simple | No | Yes | No | No | No | No | No | Yes | No | No | No | Yes, desktop |
| Microsoft Project Server | No | No | Yes | Yes | No | No | No | No | No | No | No | Yes | No | No | No | No | No | No |
| Microsoft SharePoint | Yes | Yes | Yes | Yes, simple | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes, web |
| Microsoft Team Foundation Server | No | No | Yes | Yes | Yes | Yes | No | No | Yes | No | No | Yes | No | Yes | Yes | No | Yes | No |
| Nextcloud | No | Yes | Yes | Yes | Yes, limited | No | No | No | Yes | No | Yes | Yes | Yes, limited | Yes | Yes, limited | Yes | Yes, limited | Yes |
| Smartsheet | No | Yes[23] | Yes[24] | Yes[25] | Yes[26] | Yes[27] | Yes | No | Yes[28] | No | Yes[29] | Yes[30] | No | Yes[31] | No | No | Yes[32] | Yes, MS Office Interface |
| Traction TeamPage | Yes | Yes | Yes | Yes | Yes, simple | Yes | Yes | No | Yes | Yes | Yes, plug-in | Yes, basic | No | Yes, usage charts, API | Yes | Yes, plug-in | Yes | Yes, web, webdav |
| Tiki Wiki CMS Groupware | Yes | Yes | Yes | Yes, simple | Yes | Yes | Yes (newsletter) | Yes | Yes | Yes | Yes | Yes | No | Yes (basic) | Yes | Yes | Yes | Yes, web |
| Wrike | No | No | Yes | Yes | Yes | Yes | No | No | Yes | No | No | Yes | No | Yes | Yes | Yes | No | Yes, web |
| Xaitporter | No | No | Yes, limited | Yes | Yes | Yes | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | No | Yes, webdav |
| Trello | No | No | Yes, limited | Yes | Yes | No | No | No | Yes | No | Yes | Yes | No | No | Yes | Yes | No | No |
| XWiki Enterprise | Yes | Yes | Yes, extension | Yes, extension | Yes, extension | Yes, extension | Yes, extension | Yes, extension | Yes, extension | Yes | Yes, extension | No | No | Yes, extension | Yes, and extension for rating | Yes | Yes, (Lucene/SolR) | Yes, web |
| Zoho Projects | Yes | No | Yes | Yes | Yes, limited | Yes | No | No | Yes | No | No | Yes | No | Yes | Yes, limited | Yes | No | Yes, web |
| Name | Wikis | Web publishing | Calendaring software | Project management | Workflow system | Document management | List management | XML Forms management and workflow | Discussion | Blogs | Surveys | Time tracking | Business intelligence | Charting | Bookmarking, Tagging, Rating and Comments | Social software | Enterprise search | Office suite |
Comparison of targets
| Name | Public | Intranet | Extranet | Personal Sites | Team Sites | Developer |
|---|---|---|---|---|---|---|
| IBM Connections | Yes | Yes | Yes | Yes | Yes | Yes |
| IBM Lotus Domino | Yes | Yes | Yes | Yes | Yes | Yes |
| IBM Lotus QuickPlace | Yes | Yes | Yes | Yes | Yes | Yes |
| Microsoft Exchange Server | Yes | Yes | Yes | No | No | No |
| Microsoft Office Live Communications Server | No | Yes | Yes | Yes | Yes | No |
| Microsoft SharePoint | Yes | Yes | Yes | Yes | Yes | Yes |
| Microsoft Team Foundation Server | No | Yes | Yes | Yes | Yes | Yes |
| Nextcloud | Yes | Yes | Yes | Yes | Yes | Yes |
| Name | Public | Intranet | Extranet | Personal Sites | Team Sites | Developer |
Open source software
The following are open source applications for collaboration:
Standard client–server software
- Access Grid, for audio and video-based collaboration
- Axigen
- Citadel/UX, with support for native groupware clients (Kontact, Novell Evolution, Microsoft Outlook) and web interface
- Cyn.in
- EGroupware, with support for native groupware clients (Kontact, Novell Evolution, Microsoft Outlook) and web interface
- GroupOffice groupware and CRM
- Kolab, various native PIM clients
- Kopano
- OpenGroupware.org
- phpGroupWare
- Scalix
- SOGo, integrated email, calendaring with Apple iCal, Mozilla Thunderbird and native Outlook compatibility
- Zarafa
- Zentyal, with support for native groupware clients (Kontact, Novell Evolution) natively for Microsoft Outlook and web interface
- Zimbra
- Zulip
Groupware: Web-based software
- Axigen
- Bricolage, content management system
- BigBlueButton, Web meetings
- Collabora Online, Enterprise-ready edition of LibreOffice enabling real-time collaborative editing of documents, spreadsheets, presentations and graphics
- Cryptpad, open-source, end-to-end encrypted collaborative office suite focused on privacy
- DotNetNuke, also called DNN: module-based, evolved from ASP 1.0 demo applications
- EGroupware, a free open source groupware software intended for businesses from small to enterprises
- EtherPad, collaborative drafting with chat
- Feng Office Community Edition
- FusionForge, has wiki, forums, mailing lists, FTP, SSH, subdomains, hosting, email alias, backups, CVS/SVN, task management
- Group-Office, Web-based groupware for sharing calendars, files, e-mail, CRM, Projects, Mobile Synchronization and much more.
- Horde
- HumHub a free and open-source enterprise social network solution
- IceWarp Server
- Jumper 2.0, collaborative search engine and knowledge management platform
- Kolab Groupware, integrated Roundcube web frontend
- Kune, collaborative federated social network, based on Apache Wave
- Loomio, for making decisions together (AGPL).
- MediaWiki, which provides core content management and integrates with many other tools via extensions
- Nextcloud, file hosting service, functionally similar to Dropbox, Office 365 or Google Drive when used with its integrated office suite solutions Collabora Online or OnlyOffice
- OnlyOffice Community Server, available for Microsoft and Linux
- OpenBroadcaster LPFM IPTV broadcast automation tools
- Overleaf for creating LaTeX documents
- phpGroupWare
- Simple Groupware
- SOGo, integrated email, calendaring with Apple iCal, Mozilla Thunderbird and native Outlook compatibility
- Tiki Wiki CMS Groupware, has wiki, forums, calendar, ticket system, workflow engine
- Tine 2.0
- Tonido, free collaborative software with workspace synchronizing, Web access from personal desktop; cross-platform
- Zarafa, full MAPI MS Exchange replacement for Linux, GPL+proprietary
- Kopano, full MAPI MS Exchange replacement for Linux, GPL+proprietary
- Zentyal
- Zimbra
Other
- Alfresco, enterprise content management system: document management, workflow, and portal
- Drupal Framework, open source content management framework: document management, web pages, attachments, forums, photos, social profiles, collaboration tools
- Liferay Enterprise Portal, open source enterprise portal: document management, wiki, social tools, workflow
- LogicalDOC, document management system: document management, workflow
- Nuxeo EP, enterprise content management system: document management, workflow
- OpenKM, open source document management system: document management
Project collaboration software
Web-based software
- 5day.io, is a modern work management tool
- Ceiton, workflow-based project management with Gantt chart, scheduling calendar and time-tracking
- Central Desktop, has project management, wiki, file upload, review and approve, calendar, document management
- Clarizen, online on-demand, collaborative project execution software
- dotProject
- Easy Redmine, open-source project management software
- Easy Projects
- EGroupware, is free open source groupware software intended for businesses from small to enterprises
- Feng Office Community Edition
- Fle3
- Gitea
- GitLab
- Group-Office, Web-based groupware for sharing calendars, files, e-mail, CRM, Projects, Mobile Synchronization and much more.
- Horde
- InLoox, web-based project management and collaboration software with Outlook integration
- LiquidPlanner, web-based project management and collaboration software
- Mindquarry, has document synchronizing, wiki, task management
- PBworks is a commercial real-time collaborative editing (RTCE) system
- phpGroupWare, has a project collaboration module
- Plone, content management
- project.net
- Projectplace, full suite of collaborative project tools
- Redmine, for software projects includes issue tracking, wiki, basic file and document management with hooks to major version control systems: SVN, Git, etc.
- Simple Groupware
- TeamLab, has forums, blogs, bookmarks, wiki, task management, instant messaging, mobile version, CRM, online document editors
- TogetherJS by Mozilla, an open-source javascript library that can transform any web application into a real-time collaborative editor.
- Trac, has wiki, document management, ticket system and version control system
- Traction TeamPage integrated action tracking, wiki, live status, notification, and streams organized by person, task, project, and shared permissioned space.
- web2project, a dotproject fork with active current development and some innovations: subprojects, etc.
- WiserEarth, social network and database that include an open-source Groupware (closed)
- Wrike, interactive web-based project management software and tools for remote collaboration
- Zoho Projects, a web-based project management software with collaboration features[33] such as Interactive Feeds, Chat, Calendar, Forum, Wiki Pages and shared Document management
Other
- Croquet project, collaborative virtual environment
- Open Wonderland, open source Java toolkit to make collaborative 3D virtual worlds
- Wiki engines: see List of wiki software
- Realtime editors: see Collaborative real-time editor
- Revision control for software engineering projects: see Comparison of revision control software
- Collaborative development environment
- Tools for collaborative writing such as O'Reilly Media's wiki-like git-managed authoring platform Atlas[34][35]
Comparison
| Name | Mail transfer agent | Mail storage type | IMAP server | IMAP shared | Calendar format | Calendar shared | IM server | WebDAV | Web UI | Contacts shared | Files shared | Web admin UI | Antivirus | Spam filter | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Axigen | SMTP proprietary RFC compliant | proprietary indexed storage | proprietary RFC compliant | Yes | iCal | available from Microsoft Outlook & Webmail | No | No | Yes | Yes | No | Yes | ClamAV | SpamAssassin, Sieve, others | Mobile synchronizing using full compliant ActiveSync, Ajax GUI, multiplatform, Microsoft Outlook connector with online/offline modes |
| Bynari | SMTP Postfix | IMAP | Cyrus IMAP | Yes | iCal | iCal | Jabber | Yes | Yes | Yes | Yes | Yes | ClamAV | SpamAssassin and Sieve | Mobile synchronizing using full compliant ActiveSync, Ajax webapp, Microsoft Outlook connector |
| Citadel/UX | Custom | Berkeley DB | Custom | Yes | iCal | Yes | Yes | GroupDAV and WebCal support | Yes | Yes | various methods | Yes | ClamAV on SpamAssassin | SpamAssassin, or pre-processed with Postfix or qpsmtpd | Hot backups need retained recent database logs |
| EGroupware | SMTP | IMAP server dependent | Cyrus or any IMAP server | Yes | iCal | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes on Linux- any external | Sieve filters | Ajax GUI, Mobile responsive template, integrates with: mobile devices (Z-Push), any IMAP client |
| Feng Office Community Edition | Sendmail, SMTP | Database or File system | Any IMAP server | No | SQL, iCal | iCal | No | No | Yes | Yes | Yes | Yes | Any external (e.g., ClamAV) | Mail server dependent (e.g., SpamAssassin) | Ajax GUI; runs on any operating system with Apache, PHP and MySQL, e.g., Windows, Linux, macOS); commercial support via Feng Office |
| Group-Office | Custom Postfix | IMAP server dependent | Custom | Yes | iCal | Web interface | No | Yes | Yes | Yes | Yes | Yes | ClamAV | SpamAssassin, DSPAM | Synchronizes with: Microsoft Outlook, iPhone, Android, Symbian, Palm OS, Pocket PC, other SyncML or ActiveSync clients |
| Horde | Sendmail, SMTP | No | Cyrus, others | No | No | DB, ICAL export | No | Yes | Yes | Yes | Yes | Yes | No | rule-based filtering | integrates into Kolab, has SyncML-interface |
| Jumper 2.0 | No | No | Custom | No | SQL, iCal | iCal | No | Yes | Yes | Yes | Shares any content, media, or data | Yes | No | No | Enterprise bookmarking engine, uses peer and social networking principles to tag and link distributed data resources for universal search regardless of vendor, format, or location |
| Kolab | Postfix | IMAP (Kolab-XML format) and LDAP | Cyrus and (experimental) Dovecot | Yes | iCal and Kolab-XML format | IMAP, iCal- and HTML-Export | No | Yes | Roundcube | IMAP and LDAP | Yes | Yes | ClamAV, others | SpamAssassin, others | Runs on almost all Unix/Linux; integrated Roundcube webfrontend, and ActiveSync (via Syncroton), and serves most common PIM-clients such as Kontact, Microsoft Outlook (with connector plug-in) and others. |
| OpenGroupware.org | Postfix | Mail Dir | Cyrus | No | No | Export to iCal | XMPP, if purchased | No | No | No | No | If purchased | |||
| Open-Xchange | Postfix[36] | IMAP server dependent[37] | Cyrus, Courier, Dovecot[38] | Yes | iCal[39] | LDAP, CalDAV, Google, Export to iCal[40] | No | Yes | Yes | Yes | Yes | If purchased | ClamAV, others | SpamAssassin, others | Ajax GUI, Microsoft Outlook integration, tasks module |
| PhpGroupWare | No | No | No | Unknown | Unknown | ICAL | Yes | Unknown | Yes | Unknown | Yes | Yes | Quite similar to eGroupWare | ||
| Simple Groupware | SMTP | IMAP server dependent, Database | Cyrus, Courier IMAP, UW IMAP, others | Yes | SQL, iCal and XML format | Database, ICAL import/export | Built-in chat module | Planned for 0.3 | Yes | Yes | Yes | Yes | ClamAV, others | Mail server dependent | Synchronizes with: Outlook, Symbian, Pocket PC, mail notifications, document preview |
| Tine 2.0 | Postfix or any other SMTP Server | SQL | DBMail or other IMAP-server | if IMAP server support | SQL | not yet CalDAV or iCal | No | No | Yes | Yes | No | Yes | No | No | Uses external IMAP server; synchronizes with: Symbian, Palm OS, Pocket PC, other ActiveSync clients |
| Tonido Workspace | No | No | No | No | Synchronizing, Web-based access | Built-in chat module | Yes | Yes | Yes | Yes | Yes | Yes | No | No | Free, for Windows, Mac OS X, Linux; built-in web server allows P2P synchronizing similar to Microsoft Groove and usual guest workspace access via Ajax-based WebUI |
| Twproject | relies on existing SMTP | synchronizes with clients | No | Yes | iCal | iCal | No | No | Yes | Yes | Yes | Yes | No | No | Synchronizes with: Outlook, Google calendars, mail; full project management module |
| Wrike | No | No | No | No | iCal | Yes | No | Yes | Yes | Yes | Yes | Yes | No | No | Mobile synchronizing using full compliant Dropbox & Google docs, rich Ajax web access, Microsoft Outlook & iMail connector |
| Zarafa | Postfix, Exim, Qmail, Sendmail, others | MySQL, optional attachments on filesystem | Yes | Public Folder available | Outlook, WebApp, Webaccess, iCal, Z-Merge | Outlook, WebApp, Webaccess, Z-Merge | Yes | Yes | Yes | Yes | Yes | Yes | ClamAV, others | SpamAssassin, others | HTML5 WebApp (with Videoconferencing functionality and (large) file sharing), Ajax WebAccess, online and offline Outlook compatibility, fully ActiveSync compatible using Z-Push (Symbian, Pocket PC, iPhone (firmware 2.X), Nokia (mail4Exchange)), integrates with AD and LDAP, own serverside integration framework Z-Merge |
| Kopano | Postfix, Exim, Qmail, Sendmail, others | MySQL, optional attachments on filesystem | Yes | Public Folder available | Outlook, WebApp, iCal, Z-Merge | Outlook, WebApp, Z-Merge | Yes | Yes | Yes | Yes | Yes | Yes | ClamAV, others | SpamAssassin, others | HTML5 WebApp (with Videoconferencing functionality and (large) file sharing), Ajax WebAccess, online and offline Outlook compatibility, fully ActiveSync compatible using Z-Push (Symbian, Pocket PC, iPhone (firmware 2.X), Nokia (mail4Exchange)), integrates with AD and LDAP, own serverside integration framework Z-Merge |
| Zentyal | Postfix | IMAP server dependent | Dovecot | No | Outlook, Webaccess, iCal | Outlook, Webaccess | Unknown | Unknown | Yes | Yes | Unknown | Yes | ClamAV | SpamAssassin | Ajax Web UI, online and offline Outlook native compatibility, fully ActiveSync compatible using SOGo integrates with Samba AD server |
| Zimbra | Custom Postfix | Mail Dir w/ index db | Custom | No | iCal | ICAL | (Removed in v8) | Yes | Yes | Yes | Yes | Yes | ClamAV | SpamAssassin, DSPAM | |
| Name | Mail transfer agent | Mail storage type | IMAP server | IMAP shared | Calendar format | Calendar shared | IM server | WebDAV | Web UI | Contacts shared | Files shared | Web admin UI | Antivirus | Spam filter | Notes |