List of collaborative software Comparison 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |