List of collaborative software
Comparison
Columns: 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
Axigen | SMTP proprietary RFC compliant | proprietary indexed storage | proprietary RFC compliant | Yes | iCal | available from Microsoft Outlook & Webmail | No | No | Yes | Yes | No | Yes | Bynari | SMTP Postfix | IMAP | Cyrus IMAP | Yes | iCal | iCal | Jabber | Yes | Yes | Yes | Yes | Yes | Citadel/UX | Custom | Berkeley DB | Custom | Yes | iCal | Yes | Yes | GroupDAV and WebCal support | Yes | Yes | various methods | Yes | Collaber | No | No | No | No | No | Yes | Yes | No | No | Yes | Yes | No | Collabtive | Sendmail , SMTP | IMAP server dependent, Database | Any IMAP server | Unknown | iCal | Web interface | Yes | No | Yes | Yes | Yes | Yes | Expresso Livre | Postfix | IMAP server dependent | Cyrus or any IMAP server | No | iCal | Yes | Yes | No | Yes | Yes | No | Yes | Group-Office | Custom Postfix | IMAP server dependent | Custom | Yes | iCal | Web interface | No | Yes | Yes | Yes | Yes | Yes | Horde | Sendmail , SMTP | No | Cyrus , others | No | No | DB, ICAL export | No | Yes | Yes | Yes | Yes | Yes | i-sense | Sendmail , SMTP | IMAP server dependent, Database | Any IMAP server | Unknown | iCal | iCal and custom export/synchronisation services | No | No | Yes | Yes | Yes | Yes | Jumper 2.0 | No | No | Custom | No | SQL , iCal | iCal | No | Yes | Yes | Yes | Shares any content, media, or data | Yes | Kolab | Postfix | IMAP (Kolab- XML format) and LDAP | Cyrus and (experimental) Dovecot | Yes | iCal and Kolab- XML format | IMAP , iCal - and HTML -Export | No | No | Horde | IMAP and LDAP | No | Yes | Open - Xchange | Postfix | IMAP server dependent | Cyrus or any IMAP server | Yes | iCal | LDAP , Export to iCal | No | Yes | Yes | Yes | Yes | If purchased | Feng Office Community Edition | Sendmail , SMTP | Database or File system | Any IMAP server | No | SQL , iCal | iCal | No | No | Yes | Yes | Yes | Yes | OpenGroupware | Postfix | Mail Dir | Cyrus | No | No | Export to iCal | XMPP , if purchased | No | No | No | No | If purchased | PhpGroupWare | No | No | No | Unknown | Unknown | ICAL | Yes | Unknown | Yes | Unknown | Yes | Yes | Qontext | N/A | N/A | N/A | N/A | No | No | No | No | Yes | Yes | Yes | Yes | 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 | Synovel Collabsuite | Postfix | Maildir | Dovecot | Yes | iCal | CalDav | XMPP | N/A | Yes | Yes | No | Yes | Teamwork (software) | relies on existing SMTP | synchronizes with clients | No | Yes | iCal | iCal | No | No | Yes | Yes | Yes | Yes | Tonido Workspace | No | No | No | No | Synchronizing, Web based access | Built-in chat module | Yes | Yes | Yes | Yes | Yes | Yes | 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 | Wrike | No | No | No | No | iCal | Yes | No | Yes | Yes | Yes | Yes | Yes | Zarafa | Postfix , Exim , Qmail , Sendmail , others | MySQL , optional attachments on filesystem | Yes | Public Folder available | Outlook , Webaccess, iCal , Z-Merge | Outlook , Webaccess, Z-Merge | No | No | Yes | Yes | No | Yes | Zimbra | Custom Postfix | Mail Dir w/ index db | Custom | No | iCal | ICAL | (Removed in v8) | Yes | Yes | Yes | Yes | Yes | 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