GroupOffice

Group-Office is a powerful web-based office suite with modular design and strong scalability. It has functions such as user management, module management, email client, file management, calendar, project management, website management and customer relationship management, and can be synchronized with PDA and Outlook.

Group-Office v3.7.5 changelog:
Public icalendar file
Sieve e-mail filtering support
Optimized for very large installations 20.000 users
Sharing of e-mail accounts
LDAP authenticaton has more flexible mapping
Automatic project name with id number
Standard timeregistration entries selectable from a list.
Custom fields for timeregistration entries in Multiple day mode.
Preset the folder view for other users.
Standard e-mail folders are created in English on the IMAP server and are translated by Group-Office. This provides better consistency.